Open Source C Software - Page 13
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C Software
Browse free open source C Software and projects below. Use the toggles on the left to filter open source C Software by OS, license, language, programming language, and project status.
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Ham Radio Control Libraries
Library to control radio transceivers and receivers
The Hamlib project's purpose is to develop flexible and portable shared libraries that offer a standardized API to control any radio oriented equipment through a computer interface. -
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GRUB for DOS is the dos extension of GRUB. It enables dos users to run the configuration console directly in real mode. The project also contains an utility called WINGRUB, an GUI intends to help configuring and installing GRUB in the WINDOWS environment
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Linux Wifi Hotspot
Feature-rich wifi hotspot creator for Linux
Feature-rich wifi hotspot creator for Linux which provides both GUI and command-line interface. It is also able to create a hotspot using the same wifi card which is connected to an AP already ( Similar to Windows 10). -
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TightVNC is an improved version of VNC, great free remote-desktop tool. The improvements include bandwidth-friendly "Tight" encoding, file transfers in the Windows version, enhanced GUI, many bugfixes, and more.
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Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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Ethernet bridge tables - Linux Ethernet filter for the Linux bridge. Contains the old sourcecode repository that is no longer maintained. Please see http://git.netfilter.org/ebtables/ and http://git.netfilter.org/arptables/ for the currently maintained repository (courtesy of the netfilter team).
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The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, Webmail, calendaring, and mailing list services.
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# OBSOLETE The project has moved to CodeBerg at https://codeberg.org/IPMITool/ipmitool IPMItool provides a simple command-line interface to IPMI-enabled devices through an IPMIv1.5 or IPMIv2.0 LAN interface or Linux/Solaris kernel driver.
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86Box
Emulator of x86-based machines based on PCem
86Box is a low level x86 emulator that runs older operating systems and software designed for IBM PC systems and compatibles from 1981 through fairly recent system designs based on the PCI bus. Easy to use interface inspired by mainstream hypervisor software. Low level emulation of 8086-based processors up to the Pentium with focus on accuracy. Great range of customizability of virtual machines. Many available systems, such as the very first IBM PC 5150 from 1981, or the more obscure IBM PS/2 line of systems based on the Micro Channel Architecture. Lots of supported peripherals including video adapters, sound cards, network adapters, hard disk controllers, and SCSI adapters. MIDI output to Windows built-in MIDI support, FluidSynth, or emulated Roland synthesizers. Supports running MS-DOS, older Windows versions, OS/2, many Linux distributions, or vintage systems such as BeOS or NEXTSTEP, and applications for these systems. -
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Luma3DS
Noob-proof (N)3DS Custom Firmware
Luma3DS is a program to patch the system software of (New) Nintendo (2)3DS handheld consoles "on the fly", adding features such as per-game language settings, debugging capabilities for developers, and removing restrictions enforced by Nintendo such as the region lock. It also allows you to run unauthorized ("homebrew") content by removing signature checks. To use it, you will need a console capable of running homebrew software on the Arm9 processor. Since v8.0, Luma3DS has its own in-game menu, triggerable by L+Down+Select. -
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pgvector
Open-source vector similarity search for Postgres
pgvector is an open-source PostgreSQL extension that equips PostgreSQL databases with vector data storage, indexing, and similarity search capabilities—ideal for embeddings-based applications like semantic search and recommendations. You can add an index to use approximate nearest neighbor search, which trades some recall for speed. Unlike typical indexes, you will see different results for queries after adding an approximate index. An HNSW index creates a multilayer graph. It has better query performance than IVFFlat (in terms of speed-recall tradeoff), but has slower build times and uses more memory. Also, an index can be created without any data in the table since there isn’t a training step like IVFFlat. -
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FreeRTOS Real Time Kernel (RTOS)
Market leading real time kernel for 40+ microcontroller architectures
************************************************************************************************************************ * The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries. * Our support has moved to https://forums.freertos.org. ************************************************************************************************************************ FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. Visit https://www.freertos.org for more information and other download options. Note about support/discussions forum: The FreeRTOS support forum has moved to https://forums.freertos.org. Please update your bookmarks and create new posts in the appropriate category in the new community forums. -
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Control Group Configuration
https://github.com/libcgroup/libcgroup
This page is deprecated - please go to https://github.com/libcgroup/libcgroup -
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HackRF
Low cost software radio platform
This repository contains hardware designs and software for HackRF, a low-cost, open source Software Defined Radio platform. HackRF One from Great Scott Gadgets is a Software Defined Radio peripheral capable of transmission or reception of radio signals from 1 MHz to 6 GHz. Designed to enable test and development of modern and next-generation radio technologies, HackRF One is an open-source hardware platform that can be used as a USB peripheral or programmed for stand-alone operation. HackRF One has an injection-molded plastic enclosure and ships with a micro USB cable. An antenna is not included. ANT500 is recommended as a starter antenna for HackRF One. HackRF One is test equipment for RF systems. It has not been tested for compliance with regulations governing the transmission of radio signals. You are responsible for using your HackRF One legally. -
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A whole bunch of utilities for primitive manipulation of graphic images. Wide array of converters from one graphics format to another. E.g. from g3 fax format to jpeg. Many basic graphics editing tools such as magnifying and cropping.
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New implementation of the traceroute utility for modern Linux systems. Backward compatible with the traditional traceroute. Supports both IPv4 and IPv6, additional types of trace (including TCP), allows some traces for unprivileged users.
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A client implementation of Secure Socket Tunneling Protocol (SSTP) for Linux / Mac OS-X that allows remote access via SSTP VPN to Microsoft Windows 2008 Server. This project has been moved to https://gitlab.com/eivnaes/sstp-client
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eGuideDog project develops free software for the blind. Currently, we focus on WebSpeech, Ekho TTS and WebAnywhere.
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WanGP
AI video generator optimized for low VRAM and older GPUs use
Wan2GP is an open source AI video generation toolkit designed to make modern generative models accessible on consumer-grade hardware with limited GPU memory. It acts as a unified interface for running multiple video, image, and audio generation models, including Wan-based models as well as other systems like Hunyuan Video, Flux, and Qwen. A key focus of the project is reducing VRAM requirements, enabling some workflows to run on as little as 6 GB while still supporting older Nvidia and certain AMD GPUs. Wan2GP provides a full web-based interface that simplifies interaction with complex generative pipelines, making it easier to configure prompts, models, and rendering settings. It also integrates a wide range of utilities such as prompt enhancement, mask editing, motion design, and extraction tools for pose, depth, and flow data to support advanced video workflows. -
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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
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net-tools
Linux networking base tools
A collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Includes: arp, hostname, ifconfig, netstat, rarp, route, plipconfig, slattach, mii-tool and iptunnel and ipmaddr. A mirror of the sourcecode is available on https://github.com/ecki/net-tools -
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Rainmeter
Desktop customization tool for Windows
Rainmeter is a powerful and extensible desktop customization platform for Windows that lets users display customizable skins and widgets on their desktop to show information such as system statistics, time, weather, application shortcuts, and more. With a modular architecture, Rainmeter allows users and creators to build or install “skins” using simple INI configuration files combined with Lua scripting and graphics to display text, images, meters, and interactive controls. It runs with minimal system overhead and stays resident in the Windows notification area, updating widgets in real time based on system performance, network conditions, or custom triggers. Rainmeter’s open-source codebase and large community ecosystem mean that thousands of user-created skins are available for download, enabling anything from minimalistic time displays to elaborate animated dashboards. -
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usbmuxd
A socket daemon to multiplex connections from and to iOS devices
A socket daemon to multiplex connections from and to iOS devices. usbmuxd stands for "USB multiplexing daemon". This daemon is in charge of multiplexing connections over USB to an iOS device. The daemon is automatically started by udev or systemd depending on what you have configured upon hotplug of an iOS device and exits if the last device was unplugged. When usbmuxd is running it provides a socket interface at /var/run/usbmuxd that is designed to be compatible with the socket interface that is provided on macOS. You should also create an usbmux user that has access to USB devices on your system. Alternatively, just pass a different username using the -U argument. usbmuxd is not used for tethering data transfers which uses a dedicated USB interface to act as a virtual network device. The higher-level layers, especially if you want to write an application to interact with the device, are handled by libimobiledevice. -
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libmng -THE reference library for reading, displaying, writing and examining Multiple-Image Network Graphics. MNG is the animation extension to the popular PNG image-format.
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Elmer finite element software
Open source finite element software for multiphysical problems
Elmer is a finite element software for numerical solution of partial differential equations and multiphysical problems. It includes models of structural mechanics, fluid dynamics, heat transfer, electromagnetics etc. Elmer home is www.csc.fi/elmer
