An award-winning drawing program for children ages 3 to 12
Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents and teachers, or downloaded from 3rd parties. Tux Paint is available for Linux, BSD, Windows, Mac OS X and Haiku operating systems.
A planetarium software that shows a 3D simulation of the night sky
Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
An interactive viewer for three-dimensional chemical structures.
Over 10,000,000 page views! Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other quantum chemistry programs. Files can be transferred directly from several databases, including RCSB, EDS, NCI, PubChem, and MaterialsProject. Multiple files can be loaded and compared. A rich scripting language and a well-developed web API allow easy customization of the user interface. Features include interactive animation and linear morphing. Jmol interfaces well with JSpecView for spectroscopy, JSME for 2D->3D conversion, POV-Ray for images, and CAD programs for 3D printing (VRML export).
Cross platform GUI for Maxima
wxMaxima is a cross-platform graphical front-end for the computer algebra system Maxima based on wxWidgets. It provides nice display of mathematical output and easy access to Maxima functions through menus and dialogs.
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
Dictionary for Mobile Information Devices and PCs
DictionaryForMIDs is an dictionary application for cell phones, tablets and PCs. The dictionary is completely installed on the device ("offline dictionary"), i.e. after installation there is no need for an internet connection. DictionaryForMIDs can be set up for any dictionary, for any language, or for any other lookup-purpose. The DfM-Creator tool is used to set up a dictionary for use with DictionaryForMIDs.
NOTE: FontForge has moved to fontforge.github.io, newer binaries and sources are available at github.com/fontforge. FontForge allows you to edit outline and bitmap fonts. You may create new ones or modify old ones. It is also a format converter and can interconvert between PostScript (ascii & binary Type1, some Type3, some Type0), TrueType, OpenType (Type2), CID, SVG
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, ....)
Standards Compliant Learning Management System
ATutor is an Open Source Web-based Learning Management System (LMS), designed with accessibility and adaptability in mind. Author interoperable e-learning content, provides social networking, and adheres to standards. Put your courses online.
Wikipedia offline & more
Kiwix is an offline reader for Web content. It's especially intended to make Wikipedia available offline. With Kiwix, you can enjoy Wikipedia on a boat, in the middle of nowhere... or in Jail. Kiwix manages to do that by reading ZIM files, a highly compressed open format with additional meta-data.
PhpGedView is a revolutionary genealogy program which allows you to view and edit your genealogy on your website. It has full privacy functions, can import from GEDCOM files, and supports multimedia. It also simplifies family collaboration.
Graph is a program used for drawing graphs of mathematical functions. It is easy to use while having a lot of features and settings. Official web site is located at http://www.padowan.dk
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,...
Easy-to-use print report library and designer
QtRPT is the easy-to-use report engine written in C++ QtToolkit. It allows combining several reports in one XML file. For separately taken field, you can specify some condition depending on which this field will display in different font and background color, etc. The project consists of two parts: report library QtRPT and report designer application QtRptDesigner. Report file is a file in XML format. The report designer makes easy to create report XML file.
eFront Community has been discontinued since 2015. We would like to encourage you to try our new eFront LMS, which was built from the ground up. Visit the site https://www.efrontlearning.com/migration/ for more information
OpenTeacher is an opensource application that helps you learn a foreign language vocabulary. Just enter some words in your native and foreign language, and OpenTeacher tests you.
Online bibliographic manager for research groups. Zotero-compatible.
refbase is a web-based bibliographic manager which can import and export references in various formats (including BibTeX, Endnote, MODS XML, and OpenOffice). It can make formatted lists of citations and offers powerful searching, rich metadata, and RSS.
graphical Frontend to CUPS
GtkLP is a graphical Frontend to CUPS. It is intended to be easy to use, small and it should compile on many UniX-Systems.
Multiple choice exam / test builder
A multiple choice test program with audio and visual input. editor.exe: to input questions, audio and visual, password secured. Program checks for errors and displays grade. viewer.exe: runs exams built in password secured editor. It also grades all completed tests and remembers previous results. FOR OTHER LANGUAGES CLICK 'BROWSE FILES"
A full-featured, GTK-based control panel for IceWM, featuring an IceWM theme designer, IceSoundManager (sound events), IcePref2, & tools to manage wallpaper, cursors, keys, window options, & more. IceWMCP has a familiar, Control Panel-like interface.
sdcv - console version of stardict, cross-platform and international dictionary.
jTarot is a tarot personal advisor. jTarot will do a "reading" for you when you need advice. A reading displays a number of cards and then describes what these cards mean. You take the reading and apply the meanings of the cards to your situation.
Client/aggregator for free online language services - translators, dictionaries, thesauruses . Allow to translate text over 41 sites, 53 services, 70 languages, more of 4000 translation directions.
Sikher gives you access to the Sikh Scriptures in multiple languages
Sikher gives you access to the Sikh Scriptures in multiple languages. To this end, through the GurbaniDB project, we have made available the world's most accurate database of the Sikh Scriptures with 53 translations and 22 transliterations. We now have various open source projects hosted on GitHub here: https://github.com/sikher/ Three important projects include: Sikher for Mobile, Tablet & Desktop - https://github.com/sikher/sikher GurbaniDB - https://github.com/sikher/gurbanidb iGurbani - https://github.com/sikher/igurbani
Mwamko is a web interface for OpenVZ. As of August 18, 2007 the projects being transfered from SourceForge.net to Freshmeat.net