Language
Self-hosted apps written in C
53 projects
53 open-source, self-hostable projects written primarily in C. If you prefer to deploy and extend software in a stack you already know, this is your shortlist — ordered by our Recommended quality score, with the self-host footprint of each project surfaced up front.
Tasmota
Internet of Things (IoT)·C
Open source firmware for ESP devices.
Seafile
File Transfer & Synchronization·C
File hosting and sharing solution primary for teams and organizations.
GoAccess
Analytics·C
Real-time web log analyzer and interactive viewer that runs in a terminal.
Tinyproxy
Proxy·C
Light-weight HTTP/HTTPS proxy daemon.
FreeSWITCH
Communication - SIP·C
Scalable open source cross-platform telephony platform.
Nominatim
Maps and Global Positioning System (GPS)·C
Server application for geocoding (address -> coordinates) and reverse geocoding (coordinates -> address) on…
Asterisk
Communication - SIP·C
Easy to use but advanced IP PBX system, VoIP gateway and conference server.
Kamailio
Communication - SIP·C
Modular SIP server (registrar/proxy/router/etc).
Tox
Communication - Custom Communication Systems·C
Distributed, secure messenger with audio and video chat capabilities.
Janus
Communication - Video Conferencing·C
General-purpose, lightweight, minimalist WebRTC Server.
LinuxCNC
Manufacturing·C
Linux based CNC machine controller.
CUPS
Miscellaneous·C
The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network…
Dovecot
Communication - Email - Mail Delivery Agents·C
IMAP and POP3 server written primarily with security in mind.
Cyrus IMAP
Communication - Email - Mail Delivery Agents·C
Email (IMAP/POP3), contacts and calendar server.
µStreamer
Media Streaming - Multimedia Streaming·C
Lightweight and very quick server to stream MJPEG video from any V4L2 device to the net.
OpenSMTPD
Communication - Email - Mail Transfer Agents·C
Secure SMTP server implementation from the OpenBSD project.
openSIPS
Communication - SIP·C
SIP proxy/server for voice, video, IM, presence and any other SIP extensions.
Wakupator
Network Utilities·C
Wake On LAN Machine Manager based on network traffic.
UnrealIRCd
Communication - IRC·C
Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS.
DragonFly
Communication - Email - Mail Transfer Agents·C
A small MTA for home and office use.
NGINX
Web Servers·C
HTTP and reverse proxy server, mail proxy server, and generic TCP/UDP proxy server.
ngircd
Communication - IRC·C
Portable and lightweight Internet Relay Chat server for small or private networks.
Red Eclipse 2
Games·C
Arena first-person shooter similar to Unreal Tournament.
cmyflix
Media Streaming - Multimedia Streaming·C
Minimalist Plex/Jellyfin alternative to stream video.
Domoticz
Internet of Things (IoT)·C
Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various…
Weechat
Communication - IRC·C
Fast, light and extensible chat client.
OwnTracks Recorder
Maps and Global Positioning System (GPS)·C
Store and access data published by [OwnTracks](https://owntracks.org/) location tracking apps.
Piler
Archiving and Digital Preservation (DP)·C
Feature-rich email archiving solution.
Flexisip
Communication - SIP·C
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text m…
UUSEC WAF
Web Servers·C
Industry-leading high-performance, AI and semantic technology web application firewall and API security gat…
Apache HTTP Server
Web Servers·C
Secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
Citadel
Groupware·C
Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog eng…
HAProxy
Web Servers·C
Very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and H…
Lighttpd
Web Servers·C
Secure, fast, compliant, and very flexible web server that has been optimized for high-performance environm…
Cgit
Software Development - Project Management·C
Fast lightweight web interface for git repositories.
clink
URL Shorteners·C
A super-minimal link shortening service written in pure C, focusing on small executable size, portability,…
Courier MTA
Communication - Email - Mail Transfer Agents·C
Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic…
Exim
Communication - Email - Mail Transfer Agents·C
Message transfer agent (MTA) developed at the University of Cambridge.
Fossil
Software Development - Project Management·C
Distributed version control system featuring wiki and bug tracker.
GNUnet
Communication - Custom Communication Systems·C
Software framework for decentralized, peer-to-peer networking.
Icecast 2
Media Streaming - Multimedia Streaming·C
Streaming audio/video server which can be used to create an Internet radio station or a privately running j…
mlmmj
Communication - Email - Mailing Lists and Newsletters·C
Mailing list management made joyful.
OpenSSH SFTP server
File Transfer & Synchronization·C
Secure File Transfer Program.
pacebin
File Transfer - Single-click & Drag-n-drop Upload·C
Super-minimal pastebin and file upload service focusing on small executable size, portability, and ease of…
Postfix
Communication - Email - Mail Transfer Agents·C
Fast, easy to administer, and secure Sendmail replacement.
Privoxy
Proxy·C
Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data a…
Rygel
Media Streaming - Multimedia Streaming·C
UPnP AV MediaServer that allows you to easily share audio, video, and pictures.
Samba
File Transfer & Synchronization·C
Samba is the standard Windows interoperability suite of programs for Linux and Unix.
SANE Network Scanning
Miscellaneous·C
Allow remote clients to access image acquisition devices (scanners) available on the local host.
Sendmail
Communication - Email - Mail Transfer Agents·C
Message transfer agent (MTA).
slcl
File Transfer - Web-based File Managers·C
Simple and lightweight web cloud storage.
Squid
Proxy·C
Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more.
VideoLAN Client (VLC)
Media Streaming - Video Streaming·C
Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio…