An Apache SVN client, right where you need it most
TortoiseSVN is a Subversion (SVN) client, implemented as a windows shell extension. Which means it's available right where you need it: in the Windows file explorer. It's intuitive and easy to use, since it doesn't require the Subversion command line client to run. Simply the coolest Interface to (Sub)Version Control!
Open Source desktop project management
OpenProj is an open-source desktop project management application similar to Microsoft Project. OpenProj has a familiar user interface and even opens existing MS Project files. OpenProj is interoperable with Project, Gantt Charts and PERT charts.
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).
Kokua is a V3 based open source metaverse viewer project.
Kokua is an open source metaverse viewer project based on the Second Life Viewer source. Disclaimer: This software is not provided or supported by Linden Lab, the makers of Second Life. The goal of Kokua is to greatly improve the usability of the Viewer through community involvement, thoughtful design, modern development methods, and a pro-change atmosphere.
OpenEMR is an open source medical practice management application (EHR EMR PMS) featuring fully integrated electronic health records, scheduling, electronic billing, internationalization, free support, a vibrant community, and a whole lot more.
Media Player Classic - BE
Media Player Classic - BE is a free and open source audio and video player for Windows. Media Player Classic - BE is based on the original "Media Player Classic" project (Gabest) and "Media Player Classic Home Cinema" project (Casimir666), contains additional features and bug fixes.
Advanced programmer's code editor written in Tcl/Tk
A modern and advanced programmer's code editor written in Tcl/Tk.
The AROS Research Operating System is an effort to implement an Open Source and portable operating system that is compatible with AmigaOS(TM). Originally, it was meant as a direct reimplementation, but already has features not existing in AmigaOS.
The MIDI sequencer that features a rich understanding of music notation along with basic support for digital audio
World's #1 Open Source ERP
World's #1 Open Source ERP, Accounting, CRM for SMBs. Mac, Windows, Linux and Mobile. Rich API to connect third-party apps. FREE user registration, demos and trial offers, plus commercial editions and add-ons at http://www.xTuple.com.
Colonize the New World.
FreeCol is an open version of Colonization. It is a Civilization-like game in which the player has to conquer the new world.
A graphical network simulator to design and configure virtual networks
GNS3 is a graphical network simulator that allows you to design complex network topologies. You may run simulations or configure devices ranging from simple workstations to powerful Cisco routers. It is based on Dynamips, Pemu/Qemu and Dynagen. Go to GNS3.com for last releases.
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.
The Free / Libre / Open Source Web App with the most built-in features
"Software made the wiki way" A full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. Tiki is the Open Source Web Application with the most built-in features. Highly configurable and modular, all features are optional and administered via a web-based interface. Major features include a wiki engine, news articles, discussion forums, newsletters, blogs, file galleries, bug and issue trackers (form generator), polls/surveys and quizzes, banner management system, calendar, maps, mobile , RSS feeds, category system, tags, an advanced themeing engine, spreadsheet, drawings, inter-user messaging, menus, advanced permission system for users and groups, search engine, external authentication, etc. Security reports: email@example.com
Free operating system for Atari computers, and more.
EmuTOS is a TOS compatible operating system for Atari ST series computers, and more. It is made from Digital Research's GPLed original sources and is a free and open source alternative to Atari proprietary ROMs.
SuperTuxKart is a kart racing game featuring Tux and friends. It is a fun-racer game, focusing on fun and ease of play.
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
A cross-platform statistical package for econometric analysis
gretl is a cross-platform software package for econometric analysis, written in the C programming language.
Issue tracking and team collaboration system
WebIssues is an open source, multi-platform system for issue tracking and team collaboration. It can be used to store, share and track issues with various attributes, description, comments and file attachments. The system is easy to install and use but has many capabilities and is highly customizable.
An embedded Storage distribution for Windows, Mac, & UNIX-like systems
The NAS4Free operating system can be installed on virtually any hardware platform to share computer data storage over a computer network. 'NAS' as in “Network-Attached Storage” and '4Free' as in 'Free and open source', NAS4Free is the simplest and fastest way to create a centralized and easily-accessible server for all kind of data! NAS4Free supports sharing across Windows, Apple, and UNIX-like systems. It includes ZFS, Software RAID (0,1,5), disk encryption, S.M.A.R.T / email reports etc. with following protocols/services: CIFS/SMB (samba), Samba AD, FTP, NFS v4, TFTP, AFP, RSYNC, Unison, iSCSI, UPnP, Bittorent, Syncthing, VirtualBox and noVNC, Bridge, CARP (Common Address Redundancy Protocol) and HAST (Highly Available Storage). This all can easy be managed by a configurable webinterface.
FET is free timetabling software for schools, high-schools and universities. Scheduling is done automatically. Please visit the project web site https://lalescu.ro/liviu/fet/ to be sure you always have the latest version
Powerful Windows shell extension allowing to preview images.
SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats directly in Windows Explorer by using Pierre-e Gougelet's GFL library (XnView's author). Please read carefully the following information: As SageThumbs is a Windows Explorer context menu extension, there is no an executable file that you should launch to bring it up. To use it, just open any folder with image files in Windows Explorer, and then right-click a file you want to preview. You'll see the thumbnail immediately in the context menu. System Requirements: * Windows XP/2003/Vista/2008/7/2012/8/8.1 32/64-bit * About 5 Mb of disk space + additional space for cache
Psi+ Project — Development branch of Psi IM XMPP/Jabber client
Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users. Psi+ is a development branch of Psi IM XMPP/Jabber client. Project Purpose: collection, refinement and writing new patches for transfer them to Psi upstream developers.
Boot OS X, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
If you are unable to configure correctly, have discovered a bug or wish to request a feature, please visit http://www.insanelymac.com/forum/forum/327-clover/, https://sourceforge.net/p/cloverefiboot/discussion/ or open a bug ticket at https://sourceforge.net/p/cloverefiboot/tickets/ for help.
Portable software for USB, portable, and cloud drives
PortableApps.com is the world's most popular portable software solution allowing you to take your favorite Windows software with you. It works on any cloud drive folder (Dropbox, Google Drive, OneDrive, etc), on any portable storage device (USB flash drive, memory card, portable hard drive, etc), or from your local hard drive. With millions of users all over the world and a full collection of open source software (as well as freeware and commercial software), PortableApps is the most complete solution for life on the go. PortableApps.com was founded by John T. Haller, whose Portable Firefox started the portable software trend. We've been making software portable since March 2004. Today, our team stands at nearly 100 developers, translators, application packagers, designers, and release testers. Our goal is to centralize the knowledge and development of portable software efforts and build a single, open platform that any software or hardware developer can use.