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  • 1
    GnuCOBOL

    GnuCOBOL

    A free COBOL compiler

    ...GnuCOBOL implements a substantial part of the COBOL 85, X/Open COBOL and newer ISO COBOL standards (2002, 2014, 2023), as well as many extensions included in other COBOL compilers (IBM COBOL, MicroFocus COBOL, ACUCOBOL-GT and others). GnuCOBOL translates COBOL into C and internally compiles the translated code using a native C compiler. Build COBOL programs on various platforms, including GNU/Linux, Unix, Mac OS X, and Microsoft Windows. GnuCOBOL has also been built on HP/UX, z/OS, SPARC, RS6000, AS/400, along with other combinations of machines and operating systems. Copyright 2001-2024 Free Software Foundation, Inc. ...
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    Downloads: 1,085 This Week
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  • 2

    cppcheck

    Static source code analysis tool for C and C++ code

    Static analysis of C/C++ code. Checks for: memory leaks, mismatching allocation-deallocation, buffer overrun, and many more. The goal is 0% false positives. See http://cppcheck.sourceforge.net for more information.
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    Downloads: 296 This Week
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  • 3
    mcmap

    mcmap

    Pixel-art map visualizer for Minecraft

    mcmap is a command-line tool that generates top-down map images of Minecraft worlds. Written in Rust, it efficiently processes Minecraft region files to produce visual representations of terrain and structures, which can be used for navigation, world planning, or archival.
    Downloads: 3 This Week
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  • 4
    Pandora Open

    Pandora Open

    Open Source Monitoring System for performance and availability.

    Pandora OPEN is a high-performance, 100% open-source monitoring ecosystem, born as the independent evolution of the Pandora FMS community branch after version 777. Licensed under GPLv2, it provides a modular and sovereign platform for supervising networks, servers, and applications without commercial dependencies. It features multi-platform agents, remote monitoring (SNMP, WMI, HTTP), GIS maps, and advanced visual dashboards. Entirely maintained by the community on GitHub, it ensures total...
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    Downloads: 1,546 This Week
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  • 5

    Expat XML Parser

    Fast XML parser library in C

    PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/libexpat/libexpat This is James Clark's Expat XML parser library in C. It is a stream oriented parser that requires setting handlers to deal with the structure that the parser discovers in the document. PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/libexpat/libexpat
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    Downloads: 450 This Week
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  • 6
    FileZilla®

    FileZilla®

    A fast cross-platform FTP client

    FileZilla® is a cross-platform FTP, SFTP, and FTPS client with a vast list of features, which supports Windows, Mac OS X, Linux, and more. FileZilla's dynamic tools help you move files between your local machine and your Web site's server effortlessly. For example, Filezilla lets you compare your files with in-directory server files to manage file syncing. You can also tab browse between servers and transfer files to them simultaneously, as well as edit server files on the go. And Filezilla...
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    Downloads: 2,731 This Week
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  • 7
    FlightGear - Flight Simulator

    FlightGear - Flight Simulator

    FlightGear Flight Simulator: free open-source multiplatform flight sim

    Founded in 1997, FlightGear is developed by a worldwide group of volunteers, brought together by a shared ambition to create the most realistic flight simulator possible that is free to use, modify and distribute. FlightGear is used all over the world by desktop flight simulator enthusiasts, for research in universities and for interactive exhibits in museums. FlightGear features more than 400 aircraft, a worldwide scenery database, a multi-player environment, detailed sky modelling, a...
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    Downloads: 2,248 This Week
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  • 8
    VICE

    VICE

    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.
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    Downloads: 2,652 This Week
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  • 9
    cc65

    cc65

    cc65 - a freeware C compiler for 6502 based systems

    cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, librarian and several other tools.
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    Downloads: 256 This Week
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  • 10
    Clover EFI bootloader

    Clover EFI bootloader

    Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware

    Project has moved to https://github.com/CloverHackyColor/CloverBootloader.
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    Downloads: 1,111 This Week
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  • 11
    Audacity

    Audacity

    A free multi-track audio editor and recorder

    Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the...
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    Downloads: 3,575 This Week
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  • 12
    ngspice
    Ngspice project aims to improve the spice3f5 circuit simulator.
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    Downloads: 1,827 This Week
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  • 13
    stm32flash

    stm32flash

    Open source flash program for STM32 using the ST serial bootloader

    Open source cross platform flash program for the STM32 ARM microcontrollers using the built-in ST serial bootloader over UART or I2C
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    Downloads: 876 This Week
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  • 14
    Freeciv
    Freeciv is a free turn-based multiplayer strategy game, in which each player becomes the leader of a civilization, fighting to obtain the ultimate goal: to become (or subvert) the greatest civilization.
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    Downloads: 524 This Week
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  • 15
    omniORB is a CORBA object request broker for C++ and Python. It is very fast, robust, and standards-compliant.
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    Downloads: 509 This Week
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  • 16
    Banish crusty code with the Uncrustify C/C++/C#/D/Java/Pawn source code beautifier. It indents, adds newlines, aligns, etc, and is highly configurable.
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    Downloads: 162 This Week
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  • 17
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net
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    Downloads: 2,286 This Week
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  • 18
    CLIPS Rule Based Programming Language
    CLIPS is a forward-chaining rule-based programming language written in C that also provides procedural and object-oriented programming facilities.
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    Downloads: 545 This Week
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  • 19
    Kid3 Tag Editor

    Kid3 Tag Editor

    Audio Tag Editor

    Kid3 audio tag editor can edit the tags of MP3, Ogg, FLAC, MPC & WMA files in an efficient way, convert between ID3v1 and ID3v2, set the tags of multiple files, generate tags from file names or vice versa and import from freedb, MusicBrainz and Disco
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    Downloads: 2,023 This Week
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  • 20
    firejail

    firejail

    Linux namespaces sandbox program

    ...It allows a process and all its descendants to have their own private view of the globally shared kernel resources, such as the network stack, process table, mount table. Written in C with virtually no dependencies, the software runs on any Linux computer with a 3.x kernel version or newer. The sandbox is lightweight, the overhead is low. There are no complicated configuration files to edit, no socket connections open, no daemons running in the background. All security features are implemented directly in Linux kernel and available on any Linux computer. ...
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    Downloads: 2,919 This Week
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  • 21
    libmwaw

    libmwaw

    Import library for legacy Mac documents

    libmwaw contains import filters for many old Macintosh text document formats (MacWrite, ClarisWorks, ... ) and for some graphic, spreadsheet and presentation formats. It can handle with varying level of success about forty different formats (see the Wiki section for more details). libmwaw is based on librevenge (see https://sourceforge.net/p/libwpd/wiki/librevenge/ ).
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    Downloads: 958 This Week
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  • 22
    Gwyddion

    Gwyddion

    Scanning probe microscopy data visualisation and analysis

    A data visualization and processing tool for scanning probe microscopy (SPM, i.e. AFM, STM, MFM, SNOM/NSOM, ...) and profilometry data, useful also for general image and 2D data analysis.
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    Downloads: 1,657 This Week
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  • 23
    dap-mode

    dap-mode

    Emacs Debug Adapter Protocol

    ...It's similar to the LSP but provides integration with debug server. The API considered unstable until 1.0 release is out. It is tested against Java, Python, Ruby, Elixir and LLDB (C/C++/Objective-C/Swift). The main entry points are dap-debug and dap-debug-edit-template. The first one asks for a registered debug template and starts the configuration using the default values for that particular configuration. The latter creates a debug template which could be customized before running. dap-debug-edit-template will prepare a template declaration inside a temporary buffer. ...
    Downloads: 0 This Week
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  • 24
    FreeBASIC Compiler
    Open-source, free, multi-platform BASIC compiler, with syntax similar MS-QuickBASIC (including the GFX statements), that adds new features such as pointers, unsigned data types, inline assembly, a pre-processor and many others.
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    Downloads: 1,484 This Week
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  • 25
    Interlocking system for modular model railroading. The goal is the development of hard- and software for an model interlocking interfacing on the one hand to the model railroad and on the other to the model of the userinterface of an real interlocking.
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    Downloads: 396 This Week
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