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!
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.
A free file archiver for extremely high compression
7-Zip is a file archiver with a high compression ratio. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. 7-Zip works for Windows 7, Vista, XP, 2008, 2003, 2000, NT, ME, and 98. And there is a port of the command line version to Linux/Unix. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license with GNU LGPL + unRAR restrictions. Check the license for details.
Multiple desktops on a Windows box
VirtuaWin is an application for the Windows user community that misses the wonderful multiple desktop functionality often used on Unix systems. It is simple, reliable and highly configurable, supporting up to 20 virtual desktops.
Dual-target(32 & 64-bit) MinGW-W64 compilers for 32 and 64-bit windows
Projects joined MinGW-W64, and the new builds will be available on the MinGW-W64(https://sourceforge.net/projects/mingw-w64) site.
GCC for 32-bit and 64-bit Windows with a real installer & updater
The most recent stable releases from the GCC compiler project, for 32-bit and 64-bit Windows, cleverly disguised with a real installer & updater.
PNotes is light-weight, flexible, skinnable manager of virtual notes on your desktop. It supports multiple languages, individual note's settings, transparency and scheduling. Absolutely portable as well - no traces in registry. PNotes.NET edition requires .NET framework 4 Client Profile
A simple notepad-like text editor with many features. It is designed to be a small and fast.
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.
SQLite.org took over this project in 2010
LiteStep is a replacement desktop interface for Windows. LiteStep replaces your desktop interface in any way that you might find useful (and eye catching). LiteStep provides the way to make your desktop interface unique, enjoyable and dynamic.
The OpenGL Extension Wrangler Library is a simple tool that helps C/C++ developers initialize extensions and write portable applications. GLEW currently supports a variety of operating systems, including Windows, Linux, Darwin, Irix, and Solaris.
Versatile Commodore Emulator
VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.
A free lightweight Windows Apache MySQL and PHP Server Solution.
The Uniform Server is a free lightweight WAMP server solution for Windows. Less than 24MB, modular design, includes the latest versions of Apache2, Perl5, PHP (switch between PHP53, PHP54, PHP55 or PHP56), MySQL5 or MariaDB5, phpMyAdmin or Adminer4. No installation required! No registry dust! Just unpack and fire up!
Run DOS applications in Windows.
vDos is specific to run serious (mainly text mode) DOS applications in Windows 32 or 64-bit, Windows 7 or later. You need at least already use such a DOS application to appreciate vDos. If you don’t, want to play with DOS (or its games): vDos isn’t meant for you! Recent versions (latest 2017.08.01) of vDos are hosted at: https://www.vdos.info
A free COBOL compiler
GnuCOBOL (formerly OpenCOBOL) is a free COBOL compiler. cobc translates COBOL source to executable using intermediate C, designated C compiler and linker. OpenCOBOL 1.1 became GNU Cobol 1.1 in 2013. Official releases at ftp://ftp.gnu.org/gnu/gnucobol GnuCOBOL 2.2 is the last release, version 3.0 is on its way. A programmer's guide, by Gary Cutler, and other documentation, is indexed at http://open-cobol.sourceforge.net/ OpenCOBOL was written by Keisuke Nishida and Roger While, from 2001 to 2012. GnuCOBOL is also authored by Simon Sobisch, Ron Norman, Edward Hart, Sergey Kashyrin, Dave Pitts and Brian Tiffin. Others listed in the AUTHORS and THANKS files. Copyright 2001-2018 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the FSF; either version 3, or (at your option) any later version. The libcob run time support source tree is licensed LGPL.
HTTP proxy to block ads and customize webpages
Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.
A simple turn-based artillery game and also a real-time strategy game.
Scorched3D incorporates lively, fully destructible 3D landscapes that include animated jets, naval vessels, water and even birds, with detailed tanks and projectiles and stunning visual effects. A simple turn-based artillery game and also a real-time strategy game in which players can counter each others' weapons with other creative accessories, shields and tactics. Test your skill in timing, aiming and judgement of distance, move around on the landscape, or outsmart your opponent economically.
Mixed Integer Linear Programming (MILP) solver
Mixed Integer Linear Programming (MILP) solver lp_solve solves pure linear, (mixed) integer/binary, semi-cont and special ordered sets (SOS) models.lp_solve is written in ANSI C and can be compiled on many different platforms like Linux and WINDOWS
Complete solution for HDR photography
Luminance HDR is a complete suite for HDR imaging workflow. It provides a wide range of functionalities, during both the fusion stage and the tonemapping stage. Its graphical user interface, based on Qt5, runs on a variety of platforms, such as Microsoft Windows, Mac OS X 10.9 and later and several Unix flavors (Linux, FreeBSD and others). Input images can be supplied in multiple formats, from JPEG to RAW files. In the same way, output can be saved in many different formats as well, from JPEG to TIFF (both 8 bit and 16 bit per channel), enabling all the power of your post processing tools.
A project that has moved to GitHub
GLFW is an Open Source, multi-platform library for creating windows with OpenGL contexts and receiving input and events. It is easy to integrate into existing applications and does not lay claim to the main loop. GLFW has moved to GitHub: https://github.com/glfw
Open Source Monitoring System for performance and availability.
Pandora FMS is an enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes. It uniquely enables business and IT to adapt to changing needs through a flexible and rapid approach to IT and business deployment. Pandora FMS consolidates all the needs of modern monitoring (ITOM, APM, BAM) and provides status and performance metrics from different operating systems, virtual infrastructure (VMware, Hyper-V, XEN), Docker containers, applications, storage and hardware devices such as firewalls, proxies, databases, web servers or routers. It's highly scalable (up to 2000 nodes with one single server), 100% web and with multi-tenant capabilities. It has a very flexible ACL system and several different graphical reports and user-defined control screens.
OpenSource OpenGL Multiplayer Multiplatform Battle Zone capture the Flag. 3D first person tank game. Project has moved to Github: https://github.com/BZFlag-Dev/bzflag
32/64 bit multi-platform Ethernet S7 PLC communication suite
Snap7, through three specialized components: Client and the inedited Server and Partner, allows you to definitively integrate your PC based systems into a PLC automation chain. Designed to transfer large amounts of hi-speed data in industrial facilities, it scales easily, down to small Linux Arm boards such as Raspberry PI. Hi level object oriented wrappers are provided, currently C/C++, .NET/Mono, Pascal, LabVIEW, Python with many source code examples. Very easy to use, a full working server example is not bigger than the “Hello world”. Many projects/makefiles are ready to run to easily rebuild Snap7 in any platform without the need of be a C++ guru. Very detailed documentation provided.