Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.

Joomla is free, open, and available to anyone under the GNU/GPL license.

Concrete5 makes running a website easy. Go to any page in your site, and a editing toolbar gives you all the controls you need to update your website. No intimidating manuals, no complicated administration interfaces – just point and click.

Concrete5 is released under the MIT license.

MODX helps you take control of your online content. An Open Source PHP application framework, it frees you to build sites exactly how you want and make them 100% yours. Zero restrictions and fast to build. Super-simple templates in regular HTML/CSS/JS (any lib you want). Registered user systems and a killer community. Welcome to web-building nirvana.

MODX is released under the GNU/GPL license.

e107 e107 is a content management system written in PHP and using the popular open source MySQL database system for content storage. It’s completely free, totally customisable and in constant development.

e107 is free, open, and available to anyone under the GNU/GPL license.

CMS Made Simple provides a fast and easy way to create a professional web site and manage its content, whether it’s for a small business or a multinational corporation!

CMS Made Simple provides a mechanism for the website administrator to create and manage pages, their layout, and their content. CMS Made Simple is unobtrusive. You can create a table based layout, or a fully validating XHTML/CSS layout.

CMS Made Simple is released under the GPL LICENSE.

Xoops is an easy to use dynamic web content management system written in PHP.

XOOPS is an acronym of eXtensible Object Oriented Portal System. Though started as a portal system, XOOPS is in fact striving steadily on the track of Content Management System. It can serve as a web framework for use by small, medium and large sites.

XOOPS is released under the terms of the GNU/GPL license and is free to use and modify.

Drupal is an open-source platform and content management system for building dynamic web sites offering a broad range of features and services including user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes.

Equipped with a powerful blend of features and configurability, Drupal can support a diverse range of web projects ranging from personal weblogs to large community-driven sites.

Drupal is free, open, and available to anyone under the GNU/GPL license.

Subrion is a stand-alone PHP content management system that is very easy to use. It comes with a ton of great features including full source editing, per-page permissions, user activity monitoring, and much more.

Subrion CMS unites the functionality of articles script, auto classifieds script, realty classifieds script, web directory script, and yellow pages script all in one package.

Subrion License Agreement is available here.

PyroCMS is an easy to use, powerful, and modular CMS and development platform built with Laravel 5.

PyroCMS is an MVC PHP Content Management System built to be easy to use, theme and develop with. It is used by individuals and organizations of all sizes around the world.

PyroCMS The MIT License.

Contao is an open source content management system (CMS) for people who want a professional internet presence that is easy to maintain.

The state-of-the-art structure of the system offers a high security standard and allows you to develop search engine friendly websites that are also accessible for people with disabilities. Furthermore, the system can be expanded flexibly and inexpensively.

Contao is released under the GNU Lesser General Public License.

SilverStripe CMS is an open source web content management system used by governments, businesses, and non-profit organisations around the world. It is a power tool for professional web development teams, and web content authors rave about how easy it is to use.

As a platform, SilverStripe CMS is used to build websites, intranets, and web applications. The modern architecture of SilverStripe CMS allows organisations to keep pace with innovation on the web. SilverStripe CMS enables websites and applications to contain stunning design, great content, and compelling interactive and social functions.

SilverStripe CMS is free, open, and available to anyone under the BSD license.

Bolt is a tool for Content Management, which strives to be as simple and straightforward as possible.

It is quick to set up, easy to configure, uses elegant templates, and above all: It’s a joy to use. Bolt is created using modern open source libraries, and is best suited to build sites in HTML5 with modern markup.

From a technical perspective: Bolt is written in PHP, and uses either SQLite, MySQL or PostgreSQL as a database. It’s built upon the Silex framework together with a number of Symfony components and other libraries.

Bolt is released under the open source MIT-license.

Fork is an open source CMS that will rock your world.

Fork CMS is dedicated to creating a user friendly environment to build, monitor and update your website. Fork takes great pride in being the Content Management System of choice for beginners and professionals.

The License for Fork is available here.

ProcessWire is a free PHP5 content management system and framework (open source CMS/CMF) built to save you time and work the way you do.
ProcessWire gives simpler and stronger control over your pages, fields, templates and markup at any scale. And it provides a powerful template system that works the way you already do.
ProcessWire’s jQuery-inspired API makes working with your content easy and enjoyable. Managing and developing a site in ProcessWire is shockingly simple–and fun–compared to what you may be used to.

ProcessWire is licensed under the terms of MPL 2.0 and MIT licenses.

Kirby is a file-based CMS with a beautiful web interface and thousands of customers world-wide. Its flexible data structure and powerful template engine makes it easy to develop fast and high-standard websites in no time. From portfolios, to blogs, to full-blown company sites, Kirby has all you need. Being file-based comes with extra perks, such as version controllable content, super-easy deployments and blazing-fast performance.

Kirby is released under End User License Agreement.

ImpressPages CMS is user friendly software. Its tools enable user to manage the content of website in a convenient way. The advantage of ImpressPages is the opportunity to see how the website which is being edited will look like after the changes.

All the information could be administered directly in the website. There is no need to perform monotonous lay-out tasks.
Insertion of text, pictures, galleries and video is very simple.

ImpressPages CMS is released under the GNU GENERAL PUBLIC LICENSE.

Microweber is an open source drag and drop CMS. The core idea of the software is to let you create your own website, online shop or blog. From this moment of creation on, your journey towards success begins.

Tagging all along will be different modules, customizations and features of the CMS, among them many specifically tailored for e-commerce enthusiasts and bloggers.

Pimcore is a powerful and robust Zend Framework based PHP content management system (WCMS) for creating and managing digital content and assets. Besides being a full-featured open-source WCMS system, pimcore is the first and premier PHP open source enterprise product information management framework (PIM) available. Pimcore is licensed under the BSD license.

OctoberCMS is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. A simple and modular CMS that grows with you, with a precise and beautiful interface that comes as second nature. OctoberCMS is license under MIT license.

Pagekit is a modular and lightweight CMS built with modern technologies. It gives you the tools to create beautiful websites. All wrapped up in a clean and intuitive user inteface.

Pagekit is released under the MIT License.

Zenario is a web-based content management system that can be used for simple or complex websites. It can accommodate any visual template design, has tools for managing users, location, GIS and organisational information.

It is open source, well-supported, and modular. A website owner can fit together modular components to create an interface that is well-tailored to his needs. It’s designed to grow with your site, adding extranet, online database and custom functionality when you need it.

Zenario is available under the BSD License.

TYPO3 is a free Open Source content management system for enterprise purposes on the web and in intranets. It offers full flexibility and extendability while featuring an accomplished set of ready-made interfaces, functions and modules. TYPO3 is free, open, and available to anyone under the GNU/GPL license.

Kopage is a Website Builder for Webhosts and Webhosting Industry, compatible with cPanel, DirectAdmin, Parallels Plesk and other hosting control panels.

Kopage’s license allows redistribution. Please read the license.

SCHLIX CMS is a lightweight, extensible content management system for publishing websites and blogs with friendly user interface. It also features multisite, versioning for easy backup and restore of articles, multi-site, XML sitemap for search engine submission. Bootstrap and Font Awesome are also built-in. SCHLIX CMS is released under the Schlix SHARED SOURCE License.

LEPTON is an easy-to-use but full customizable Content Management System (CMS). LEPTON enables you to run nearly all the websites most others current CMS promise you but has the big advantage of extremely short learning and training curves, and this is a great argument to those who work with LEPTON. LEPTON is released under the GNU General Public License.

appRain is one of the first officially released Opensource Content Management Framework (CMF). CMF is a new web engineering concept where “CMS (Content Management System)” and “Framework” perform together to produce endless varieties of output in a very limited time. appRain, published with lots of extensive features to reduce our development work time. It satisfies both Client and Developers with a safe and quality output.

Finally appRain is a single platfrom with both facilities of CMS and Framework. CMS makes the work faster with less effort and Framework contribute to implement complex demand.

appRain Content Management Framework is released under License.

Yclas is a free open source powerful PHP classifieds script that can help you start a website and turn it into a fully customizable classifieds site within a few minutes.

You can be as creative as you want with Yclas, create a marketplace, job board, real estate, car dealer or anything you want! modify text, customize fields, add users to help you moderate the website and many more features.

Yclas is released under the GNU GPL.

OSClass is all you need to easily create your own classifieds website.

It’s a free and open script to create your advertisement or listings site.

OSClass is released under the Apache License 2.0.

qdPM is a free web-based project management tool suitable for a small team working on multiple projects.

It is fully configurable. You can easy manage Projects, Tasks and People.

Customers interact using a Ticket System that is integrated into Task management.

qdPM is released under the GNU General Public License .

Feng Office is a Collaboration Platform that enables you to manage your projects and business services, collaborate with your team and your customers, organize and share documents and files.

Feng Office’s code is written in PHP, has a proven track record of stability and security. Feng Office is being actively developed.

Feng Office is released under the GNU AFFERO GPL.

MantisBT is a free popular web-based bugtracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. MantisBT can be installed on Windows, Linux, Mac OS, OS/2, and others. Almost any web browser should be able to function as a client.

MantisBT is released under the GNU/GPL license.

Rukovoditel is your own unique application, which you create yourself, based on your needs! Using a variety of settings, in half an hour you will be able to deploy on your server project management system, personnel or other (CRM, ERP, HRM, WMS, etc.).

Versatility and flexibility of customization is the main feature of the system. The Rukovoditel can replace a whole set of decisions and make your work easier and more transparent. That is why, the Rukovoditel can be used in various fields of activity.

In the standard part of the Rukovoditel you will be available a full set of necessary tools. You can create an unlimited number of Entities and Fields, customize the appearance of lists and forms, flexibly distribute access rights to groups of users, quickly import data from an Excel file.

Rukovoditel is released under the GNU General Public License v2.

Snipe-IT is a FOSS project for asset management in IT Operations. Knowing who has which laptop, when it was purchased in order to depreciate it correctly, handling software licenses, etc.

Snipe-IT is released under the GNU AFFERO GENERAL PUBLIC LICENSE.

ProjeQtOr is an open source project management software grouping in a single tool all the features needed to organize your projects. It is simple, easy to use daily while covering a maximum of project management features. Its particularity, in addition to its completeness, is to be quality oriented.

ProjeQtOr is released under the GNU Affero General Public License.

Booked (formerly phpScheduleIt) is a simple but powerful reserve-anything scheduler. With flexible layouts, custom rules, a powerful administrative backend, and an unbelievably simple user experience, Booked can fit almost any need. From conference rooms to lab equipment to airplanes – it’s Booked.

Booked is released under the GNU/GPL Version 3.

PrestaShop e-Commerce Solution was built to take advantage of essential Web 2.0 innovations such as dynamic AJAX-powered features and next-generation ergonomy. PrestaShop guides users through your product catalog intelligently and effortlessly, turning intrigued visitors into paying customers.

PrestaShop is available under the Open Software License

OpenCart is an open source PHP-based online shopping cart system. A robust e-commerce solution for Internet merchants with the ability to create their own online business and participate in e-commerce at a minimal cost.

OpenCart is designed feature rich, easy to use, search engine friendly and with a visually appealing interface.

OpenCart is released under the GNU/GPL license.

LiteCart is a new innovative free shopping cart platform developed in PHP. Founded by swedish developer T. Almroth. Based on the latest modern technology such as PHP 5.3+, jQuery, HTML 5 and CSS 3. Logical design and a simple to use interface. The framework is constructed to be lightweight and easy for developers to modify and build upon.

LiteCart is released under their custom Free License.

Magento is an Open Source ecommerce web application launched on March 31, 2008. It was created by Varien, building on components of the Zend Framework.

Magento is available under the Open Software License version 3.0

X-Cart is a PHP/MySQL based secure shopping cart software with open source code.

X-Cart Free Edition is licensed under the terms of X-Cart 5 end-user license agreement.

Open Source Point of Sale is a point of sale system built on top of a CodeIgniter base. It therefore is written in PHP and uses MySQL as the database backend for data storage.

This means that it’ll run on any system with a web browser and can be run on a local server or hosted for multiple clients to access.

Open Source Point Of Sale is released under the GNU GENERAL PUBLIC LICENSE Version 3.

Invoice Ninja is a solution for invoicing and billing customers. With Invoice Ninja, you can easily build and send beautiful invoices from any device that has access to the web. Your clients can print your invoices, download them as pdf files, and even pay you online from within the system.

Invoice Ninja is released under the Attribution Assurance License.

Blesta Automatically Invoice & Manage Clients With Ease.

Blesta is a well written, secure, user and developer friendly client management, billing, and support application. Written in PHP on our very own open source minPHP MVC framework, Blesta is object oriented and extendable.

Blesta License Information : If you do not have a license key, 30 days free trial license key will be activated during the installation process. If you have already purchased a license key, the installation process will fetch the respective license key from Blesta.

Blesta License Agreement.

InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments.

InvoicePlane is an open source software which was built to offer a free application for client management, invoicing and payment tracking.

License for InvoicePlane.

Arastta is the next generation of eCommerce software built with modern technologies such as Symfony, Doctrine (soon), MVC, Bootstrap, jQuery, Swift Mailer etc. Thanks to it’s modular and lightweight structure, Arastta provides an awesome marketplace for theme and extension developers.

Arastta is released under the GNU GPLv3 license.

Thelia 2 E-commerce software, useful to create and manage online stores, published under a free license.

Developed in accordance to web development standards and based on Symfony 2, Thelia meets the following objectives : performance and scalability. Thanks to its features, Thelia helps merchants to improve the management of their business, their sales and turnover.

Thelia 2 is released under the GNU LESSER GENERAL PUBLIC LICENSE Version 3.

Shopware is a highly flexible, powerful and customizable software solution that allows you to quickly and easily create an online shop, regardless of your store requirements.

Shopware is based on novel eCommerce technologies, provides highly innovative marketing tools and includes integrated SEO functionalities, all of which are the basis for any successful online business. An intuitive interface and simple-to-use backend make the software the optimal choice for users, as well as designers, developers and decision makers.

Shopware Community Edition is licensed under the terms of Affero General Public License version 3 (AGPLv3).

ClientExec offers online help desk software intended to enhance the ability of small and mid-sized hosting businesses to manage help and support issues. Because the online help desk software can be accessed from any web browser, managers and staff can increase the flexibility and effectiveness with which they address client support issues.

ClientExec’s software includes an easy-to-use interface that enhances communication between clients and staff. E-mail messages sent through the online help desk software are automatically routed and tracked, so you don’t have to spend time chasing after lost messages. Support tickets can be quickly sorted, filtered, and assigned to individual team members, ensuring that the tickets are addressed in the most efficient possible manner.

You will need to purchase a license to use Clientexec.

PEEL SHOPPING is a free ecommerce CMS in PHP / MySQL, that is to say a modern and safety management tool that lets you manage your product catalog, the text on your website and everything else from a single, simple and efficient administrative interface.

PEEL SHOPPING is released under the GENERAL PUBLIC LICENSE.

Maian Cart is free and was written with ease of use in mind and contains many great features. It`s a powerful e-commerce system written with some of the latest technology and all presented in a cosmetically appealing interface to provide your business with a stable, reliable shopping cart environment

Maian Cart is released under their own Free License.

Vision Helpdesk offers customer service solutions for every size business, It offers three customer support solutions

1. Help Desk Software : Multi channel customer support ticketing help desk that allows you to manage various channels like E-MAIL, WEB-FORMS, TWITTER, FACEBOOK, CHATS, CALLS everything under single roof.

2. Satellite / Multi Company Help Desk : Manage your multiple brands or different companies customer support at centralized place, Setup different customer portal for each brand. Manage staff in different timezones and offer global customer support.

3. IT Service Desk : Service Desk software is enterprise level IT Help Desk that includes features from Help Desk and Satellite Help Desk additionally it offers ITIL / ITSM Modules – Incident, Problem, Change, Release, Contract, Financial Management, Service and Product Catalog, Vendor Management and more..

You will need a Valid License key to install and run Vision Helpdesk.

Vision Helpdesk is licensed under their Software License Agreement.

osTicket is a widely-used open source support ticket system. It seamlessly integrates inquiries created via email and web-based forms into a simple easy to use multi-user web interface. Easily manage, organize and archive all your support requests and responses in one place while providing your clients with accountability and responsiveness they deserve.

osTicket is an attractive alternative to higher-cost and complex customer support systems; simple, lightweight, reliable, open source, and easy to setup and use. The best part is, it’s completely free.

osTicket is released under the GNU/GPL license.

Hesk is Free PHP Help Desk Software that runs with a MySQL database. It allows you to setup a web based ticket support system (helpdesk) for your website.

Once the Help Desk Software is installed your customers will be able to submit support tickets and staff will have an easy-to-use web interface to manage customer support requests.

Live helper chat is Free & Flexible & Open source – Live Support chat for your website. Web and desktop clients. XMPP notifications, GTalk, Jabber, OpenFire, Chrome extension, Node.js support, MySQL, PostgreSQL.

Live helper chat is licensed under the terms of GNU General Public License.

Faveo Helpdesk Open source ticketing system build on Laravel framework.

Faveo word is derived from Latin which means to be favourable. Which truly highlights vision and the scope as well as the functionality of the product that Faveo is. It is specifically designed to cater the needs of startups and SME’s empowering them with state of art, ticket based support system. In today’s competitive startup scenario customer retention is one of the major challenges. Handling client query diligently is all the difference between retaining or losing a long lasting relationship.

Faveo Helpdesk is released under the Open Software License (“OSL”) v. 3.0.

phpMyFAQ is an open source FAQ system using PHP.

phpMyFAQ is a multilingual, completely database-driven FAQ-system. It supports various databases to store all data, PHP 5.3.3 (or higher) is needed in order to access this data. phpMyFAQ also offers a multi-language Content Management-System with a WYSIWYG editor and an Image Manager, flexible multi-user support with user and group based permissions on categories and records, a wiki-like revision feature, a news system, user-tracking, language modules, enhanced automatic content negotiation, templates, extensive XML-support, PDF-support, a backup-system, a dynamic site map, related articles, tagging, RSS feeds, built-in spam protection systems, LDAP support, Twitter and Facebook support and an easy to use installation script.

phpMyFAQ is released under the Mozilla Public License Version 2.0

OpenSupports is an open source ticket system for giving support to your clients. It provides you with a better management of your users inquiries. The software has tools to manage the tickets, like departments, staff members, custom responses, multi-language support.

OpenSupports is released under the GNU General Public License v3.0.

Maian Support is a FREE support ticket system written in PHP/MySQL. Maian Support is a software with no nag screens, ads or spyware. It can be used for an unlimited time at no further cost.

Support is an integral part of any business and good support helps you to build a solid relationship between you and your clients. Maian Support helps you to build this confidence by providing an easy to use support system completely free of charge.

Maian Support is released under their own Free Licence.

HelpDEZk is a powerfull software that manages requests/incidents. It has all the needed requirements to an efficient workflow management of all processes involved in service execution. This control is done for internal demands and also for outsourced services.

HelpDEZk can be used at any company’s area, serving as an support to the shared service center concept, beyond the ability to log all the processes and maintain the request’s history, it can pass it through many approval levels.

HelpDEZk can put together advanced managing resources with an extremely easy use. Simple and intuitive screens make the day-by-day easier for your team, speeding up the procedures and saving up a lot of time. It is developped in objects oriented PHP language, with the MVC architecture and uses the templates system SMARTY. For the javascripts, JQUERY is used.

HelpDEZk is released under GNU GENERAL PUBLIC LICENSE Version 3.

Handesk is a powerful yet simple Ticketing system, a system that allows to have multiple teams, with multiple users, easy and efficient reporting by all/team/user as well as lead management.

Handesk is licensed under the MIT.

SIDU stands for SQL Select Insert Delete Update. SIDU is a FREE database client working via web browser. SIDU is a simple, intuitive and easy database admin tool. SIDU works via web browsers such as Firefox, IE, Opera, Safari, Chrome, etc.

SIDU looks like database font-end software GUI rather than web pages. SIDU is not only a joy tool, it helps you to have an easy life with databases, and enjoy the relaxation at work.

SIDU is released under the The MIT License (MIT).

phpMyAdmin is a free software tool written in PHP intended to handle the administration of MySQL over the World Wide Web.

phpMyAdmin supports a wide range of operations with MySQL. The most frequently used operations are supported by the user interface (managing databases, tables, fields, relations, indexes, users, permissions, etc), while you still have the ability to directly execute any SQL statement.

phpMyAdmin is released under the GNU GENERAL PUBLIC LICENSE.

Adminer is a full-featured database management tool written in PHP.

Conversely to phpMyAdmin, Adminer consist of a single file ready to deploy to the target server. Adminer is available for MySQL, PostgreSQL, SQLite, MS SQL and Oracle.

Adminer is released under the GNU GENERAL PUBLIC LICENSE.

phpLiteAdmin is a web-based SQLite database admin tool written in PHP with support for SQLite2 and SQLite3.

phpLiteAdmin is released under the GNU GPL v3.

Chamilo is a fully-fledged e-learning system. Get your teachers and trainers up and teaching in no time. Some of our users report a 1/5 ratio in training time compared to the most famous open-source LMS to get them ready. Trainers can get to work in just one day!

The future of teaching is bright, and so is Chamilo. With developments into adaptive assessment, social and mobile learning, skills management and many more other topics, the Chamilo association and high-technology members ensure you get a free software with the latest innovation from around the world.

Chamilo is released under the GNU/GPL3 LICENSE.

Claroline is an Open Source eLearning and eWorking platform allowing teachers to build effective online courses and to manage learning and collaborative activities on the web. Translated into 35 languages, Claroline has a large worldwide users and developers community.

Claroline is released under the GNU/GPL license.

TCExam is a FLOSS system for electronic exams (also know as CBA – Computer-Based Assessment, CBT – Computer-Based Testing or e-exam) that enables educators and trainers to author, schedule, deliver, and report on quizzes, tests and exams.

TCExam is released under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3.

Omeka is a free, flexible, and open source web-publishing platform for the display of library, museum, archives, and scholarly collections and exhibitions.

Omeka makes launching an online exhibition as easy as launching a blog.

Omeka is designed with non-IT specialists in mind, allowing users to focus on content and interpretation rather than programming. It brings Web 2.0 technologies and approaches to academic and cultural websites to foster user interaction and participation.

Omeka is released under the GNU GENERAL PUBLIC LICENSE.

Gibbon is free, open source software: its flexible design gives schools complete control and freedom.

Gibbon collates student information, helping teachers to understand, contact, find and help their students. It allows teachers to plan, teach, collect, assess and return work in one streamlined process. It is built by teachers, with the primary purpose of aiming to solve problems common to all schools.

Gibbon is released under the GNU GENERAL PUBLIC LICENSE Version 3.

Xerte Online Toolkits is a server-based suite of tools for content authors. Elearning materials can be authored quickly and easily using browser-based tools, with no programming required. Xerte Online Toolkits is aimed at content authors, who will assemble content using simple wizards.

Xerte Online Toolkits is released under the Apache License 2.0.

ILIAS is a powerful Open Source Learning Management System for developing and realising web-based e-learning. The software was developed to reduce the costs of using new media in education and further training and to ensure the maximum level of customer influence in the implementation of the software.

ILIAS is licensed under the GNU General Public License (GPL).

openSIS is a commercial grade, secure, scalable & intuitive Student Information System from OS4ED.

openSIS is a new paradigm in student management software – it is all about the student. openSIS focuses on capturing relevant data at source and helps administration to monitor progress and remediate deficiencies to retain students and increase their achievements.

openSIS is released under the GNU GENERAL PUBLIC LICENSE Version 2.

YetiForce is an open high-class CRM (Customer Relationship Management) system that helps to manage relations with customers, suppliers, partners and staff. It’s an open, innovative and complex system that has become the key to efficient management within a company.

YetiForce can be easily enriched with add-ons. You can also modify its code as needed and keep it to yourself – no need to show it to anyone. It was created so you could achieve the impossible with your business

YetiForce is available under the YetiForce Public License v3.

Vtiger CRM is a full-featured CRM software ideal for small and medium businesses, with low-cost product support available to production users that need reliable support.

Vtiger CRM helps you bring the full potential to life in marketing, sales, and overall customer service.

Vtiger Public License 1.1 (VPL 1.1) is based on the Mozilla Public License (MPL 1.1), and provides free use to anyone using it under the provisions of the license, covering the following add-ons: Vtiger Outlook Plug-in, Vtiger Thunderbird Extension, Vtiger Office Plug-in, Vtiger Customer Portal.

Dolibarr is a software built by modules addition, to manage small or medium companies, freelancers or foundations.

Dolibarr is an OpenSource project base on a WAMP, MAMP or LAMP server.

Dolibarr is released under the GNU GENERAL PUBLIC LICENSE.

Sugar CRM is the world’s leading provider of commercial open source customer relationship management (CRM) software. Founded as an open source project in 2004, SugarCRM applications have been downloaded over five million times and currently serve over 500,000 users in 75 languages.

Sugar CRM is released under the GNU/GPL license.

Zurmo is an Open Source Customer Relationship Management (CRM) application that is mobile, social, and gamified. We use a test-driven methodology for building every part of the application.

This means you can create and maintain a custom-built CRM system with the assurance that future updates are not going to break your installation.

Zurmo is released under the GNU AFFERO GENERAL PUBLIC LICENSE.

FrontAccounting is an accounting system for small companies. It is web based, simple, but powerful, system for the entire ERP chain.

FrontAccounting is released under the GNU GENERAL PUBLIC LICENSE.

SuiteCRM is a fork of SugarCRM. SuiteCRM is designed to be a free and open source alternative to SugarCRM Professional Edition. Because it is based on SugarCRM, all the community provided extensions that work with Community Edition will also work with SuiteCRM.

SuiteCRM is also an excellent alternative to SalesForce Professional and Microsoft Dynamics

SuiteCRM is released under the GNU Affero General Public License version 3.

webERP is a complete web based accounting/ERP system that requires only a web-browser and pdf reader to use.

It has a wide range of features suitable for many businesses particularly distributed businesses in wholesale and distribution and manufacturing.

webERP is released under the GNU GENERAL PUBLIC LICENSE.

Akaunting is a free, online and open source accounting software designed for small businesses and freelancers. It is built with modern technologies such as Laravel, Bootstrap, jQuery, RESTful API etc. Thanks to its modular structure, Akaunting provides an awesome App Store for users and developers.

Akaunting is licensed under the GNU GPLv3.

Sentrifugo is a Free and Powerful new-age Human Resource Management System that can be easily configured to adapt to your organizational processes.

Sentrifugo is released under the GNU GENERAL PUBLIC LICENSE Version 3.

ChurchCRM is a free church management platform. Manage your congregation’s information, online and in person giving, groups, church, sunday school attendance and much more.

ChurchCRM is released under the The MIT License (MIT).

ownCloud gives you freedom and control over your own data.

A personal cloud which runs on your own server.

ownCloud allows you to access your data wherever you are, when you need it.

ownCloud is released under the GNU AFFERO GENERAL PUBLIC LICENSE.

Pydio formerly known as AjaXplorer. Pydio: Put Your Data In Orbit! allows you to instantly turn any server into a powerful file sharing platform : install once and access your files from anywhere.

Organize, preview and share them, easily and securely.

Pydio is released under the Affero GPL License.

Monsta FTP is a free web-based FTP/SFTP file manager that connects you to your server to upload, download, and edit files directly from any browser. Features include a responsive interface, login manager, code-friendly editor, zip uploads (to extract on server), drag and drop folders and files from your desktop, download multiple files as a zip, view file properties, and chmod.

Monsta FTP is released under the License.

phpBB is used by millions of people on a daily basis, making it the most widely used opensource bulletin board system in the world. Whether you want to stay in touch with a small group of friends or are looking to set up a large multi-category board for a corporate website, phpBB has the features you need built in.

Newer users will appreciate phpBB’s extensive administration panel, which allows the customization of even the most intricate features without having to edit code directly, while advanced users will value the ease with which phpBB can be integrated into existing systems.

phpBB is released under the GNU/GPL license.

MyBB is a free bulletin board system software package developed by the MyBB Group.

A lot of thought has gone into the MyBB interface to make it easy to use. MyBB uses a standard discussion board structure, so your visitors will feel familiar with the way MyBB works. Your visitors can use the MyBB user control panel to change the way they view discussions. They can also easily start and reply to discussions and markup their posts. The forum administrators and moderators can use MyBB’s inline editing and moderation features to control discussion and keep the forum tidy.

MyBB is available to anyone under the GNU/GPL license.

FluxBB is a free open source forum application designed to be fast, light and user friendly.

FluxBB’s code, written in PHP, has a proven track record of stability and security. FluxBB is being actively developed.

FluxBB is released under the GNU GENERAL PUBLIC LICENSE.