Feng Office (formerly known as OpenGoo) is a free and open source online project management and collaboration tool, licensed under the Affero GPL 3 license.
Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
phpFreeChat is a free, simple to install, fast and customizable chat that uses by default files for message and nickname storage. It uses AJAX to smoothly refresh and display the chat zone and the nickname zone.
The MIDI sequencer that features a rich understanding of music notation along with basic support for digital audio
Free music notation & composition software
MuseScore is the leading free & open source music notation software for Windows, Mac and Linux. It is easy to use and makes beautiful sheet music. MuseScore is often praised as a cost effective alternative for Sibelius and Finale. Support MuseScore at http://musescore.org/en/donate Like MuseScore on Facebook: http://facebook.com/musescore
e107 is a website content management system written in PHP and MySQL. It installs a completely dynamic website on your server allowing you complete control of your site from a secure and intuitive, yet powerful and flexible admin area. Coded HTML5, Twitter Bootstrap, jQuery. Full source and changelog available on Github.
Free church worship presentation software
Open Source Worship Presentation Software. This project has moved to Launchpad: https://launchpad.net/openlp
"Tux, of Math Command" is a math drill game starring Tux, the Linux Penguin. Lessons are included from simple number typing through addition, subtraction, multiplication, and division of positive and negative numbers. It is intended for kids ~4-10.
Low-latency, high quality voice chat for gamers
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. It includes game linking, so voice from other players comes from the direction of their characters, and has echo cancellation so the sound from your loudspeakers won't be audible to other players.
A cross platform file and folder mass renamer, allows many different renaming operations in a GUI. Please note that development has moved to GitHub: https://github.com/metamorphose
BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.
Cross-platform player and audio manager
aTunes is a powerful, full-featured, cross-platform player and manager, with support for online radios, podcasts and CD ripping.
Gramps, the open source genealogy program
Gramps is a genealogy program for Linux, Windows, Mac, and FreeBSD that allows you to easily build and keep track of your family tree. It supports the GEDCOM standard, allows fine grained privacy controls and can generate many different types of reports (descendant trees, graphs, connection diagrams, ....)
The MediaWiki Enterprise Distribution.
This freely available open-source software turns Wikipedia’s popular software engine MediaWiki into a fully-fledged enterprise wiki solution. Companies can continue cherishing MediaWiki’s numerous advantages and automation capabilities; with BlueSpice, they can now work even more comfortably, safely and more effectively. Compared with basic MediaWiki, BlueSpice provides, amongst other, the following enhancements: comfortable and sophisticated rights management capabilities, a visual editor (WYSIWYG), easy image - and file upload, workflows. Further information with respect to the management and administration of your wiki: BlueSpice is free, open source und not subject to any restrictions with regards to the number of users. There are no licence fees or other additional costs, no matter how many employees are using the software. Existing content is not changed or lost when installing BlueSpice. BlueSpice is simply installed on top of your existing MediaWiki.
A Graphical Developement Environment based on a Basic Interpreter with object extensions.
Simple, web-based address & phone book
Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based. http://php-addressbook.sourceforge.net/demo
Open Source Learning Management System
Claroline is collaborative learning environment based on PHP/mySQL. It allows teachers or education institutions to create and administer courses through the web. The software provides group management, forums, document repositories, calendar, SCORM,...
Read, write and edit metadata
Perl library and command-line application for reading, writing and editing meta information (EXIF, IPTC, XMP, and more) in a wide variety of file formats (JPEG, TIFF, PNG, PDF, RAW, and more).
Project has moved to github: https://github.com/craigk5n/webcalendar WebCalendar is a PHP application used to maintain a calendar for a single user or an intranet group of users. It can also be configured as an event calendar.
mtPaint is a painting program designed for creating icons and pixel-based artwork. It can edit indexed palette or 24 bit RGB images and offers painting, palette, and image manipulation tools.
Open Source Enterprise Wiki and Web Application Platform
Enterprise collaboration platform with over 400 extensions. Users without programming skills can create web applications. 50,000 small businesses, many Fortune 500 companies, and millions of people use TWiki, with installations of 100,000s of pages. Visit http://twiki.org/ for the open source TWiki. The TWiki community is focusing on building the best collaboration platform for the workplace. We invite you to GET INVOLVED! More at http://bit.ly/twGetInv.
Comix is a user-friendly, customizable image viewer. It is specifically designed to handle comic books, but also serves as a generic viewer. It reads images in ZIP, RAR or tar archives (also gzip or bzip2 compressed) as well as plain image files.
Freenet front end written in Java. Supports multiple up/downloads, messages, searching and more.
The world's leading content management systems (CMS) written in PHP
XOOPS is a Web application platform written in PHP for the MySQL database. Its object orientation makes it an ideal tool for developing small or large community websites, intra-company and corporate portals, weblogs, and much more. XOOPS is an acronym of eXtensible Object Oriented Portal System. Initially a portal system, XOOPS is now a leading content management system (CMS) that serves as a versatile Web framework. XOOPS can also be used as a weblog or journal via a standard install using the News module alone. Another approach is to use modules like News, Forum, Download, Web Links, etc. to form a community that interacts with members and visitors. Or think big, like an enterprise, and develop modules to use with eShop that integrate into XOOP's uniform user management system. XOOPS is released under the terms of the GNU General Public License (GPL), which means it’s free to redistribute as long as you abide by the GPL terms.
professional CRM and groupware service, ready for the cloud
NEW VERSION 4.1.0: openCRX is a professional CRM service (customer relationship management) deployable to all major platforms. openCRX is multi-entity enabled, scalable, a real enterprise-class CRM-solution that runs on Apache TomEE.