Syncthing is an open source peer-to-peer file synchronisation tool.
Self-hostedOpen sourceFile Transfer & Synchronization
89,818MPL-2.0Goupdated Oct 2026
Powerful, enterprise-ready, open source web server with automatic HTTPS.
Self-hostedOpen sourceWeb Servers
78,489Apache-2.0Goupdated Oct 2026
Ultra relevant, instant and typo-tolerant full-text search API.
Self-hostedOpen sourceSearch Engines
59,688MITRustupdated Oct 2026
Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi.
Self-hostedOpen sourceMedia Streaming - Multimedia Streaming
58,716GPL-2.0C#updated Oct 2026
Free open source ERP system.
Self-hostedOpen sourceResource Planning
55,378LGPL-3.0Pythonupdated Oct 2026
Microservice API Gateway and Platform.
Self-hostedOpen sourceSoftware Development - API Management
44,309Apache-2.0Luaupdated Oct 2026
Remote game stream host for Moonlight with support up to 120 frames per second and 4K resolution.
Self-hostedOpen sourceGames - Administrative Utilities & Control Panels
42,719GPL-3.0C++updated Oct 2026
Access and share your files, calendars, contacts, mail and [more](https://apps.nextcloud.com/) from any device, on your terms.
Self-hostedOpen sourceFile Transfer & SynchronizationGroupware
37,320AGPL-3.0PHPupdated Oct 2026
HTTP and reverse proxy server, mail proxy server, and generic TCP/UDP proxy server.
Self-hostedOpen sourceWeb Servers
31,989BSD-2-ClauseCupdated Oct 2026
WebRTC application that uses Jitsi Videobridge to provide high quality, scalable video conferences.
Self-hostedOpen sourceCommunication - Video Conferencing
30,157Apache-2.0Nodejsupdated Oct 2026
I
Platform for secrets, certificates, and privileged access management.
Self-hostedOpen sourceMiscellaneous
30,045MITDockerupdated Oct 2026
Blazing fast, typo-tolerant open source search engine optimized for developer happiness and ease of use.
Self-hostedOpen sourceSearch Engines
27,057GPL-3.0C++updated Oct 2026
E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients.
Self-hostedOpen sourceDocument Management - E-books
26,263GPL-3.0Pythonupdated Oct 2026
Web AI firewall utility which protects upstream resources from scraper bots.
Self-hostedOpen sourceMiscellaneous
23,755MITGoupdated Oct 2026
Multimedia/Entertainment center, formerly known as XBMC. Runs on Android, BSD, Linux, macOS, iOS and Windows.
Self-hostedOpen sourceMedia Streaming - Multimedia Streaming
21,390GPL-2.0C++updated Oct 2026
Apprise allows you to send a notification to almost all of the most popular notification services available to us today such as: Telegram, Discord, Slack, Amazon SNS, Gotify, etc.
Self-hostedOpen sourceCommunication - Custom Communication Systems
17,655MITPythonupdated Oct 2026
Remote development machines on your own infrastructure.
Self-hostedOpen sourceSoftware Development - IDE & Tools
17,209AGPL-3.0Goupdated Oct 2026
Manage your projects, tasks and goals. Collaborate via work packages and link them to your pull requests on Github.
Self-hostedOpen sourceSoftware Development - Project Management
16,744GPL-3.0Rubyupdated Oct 2026
Music library manager and MusicBrainz tagger (command-line and Web interface).
Self-hostedOpen sourceMedia Streaming - Audio Streaming
15,856MITPythonupdated Oct 2026
Fast, easy, free Bittorrent client.
Self-hostedOpen sourceFile Transfer - Peer-to-peer Filesharing
15,359GPL-3.0C++updated Oct 2026
Audiobook and podcast server. It streams all audio formats, keeps and syncs progress across devices. Comes with apps for Android and iOS.
Self-hostedOpen sourceMedia Streaming - Audio StreamingDocument Management - E-books
14,821GPL-3.0Nodejsupdated Oct 2026
Distributed and RESTful search engine.
Self-hostedOpen sourceSearch Engines
13,918Apache-2.0Javaupdated Oct 2026
L
Voxel game engine (formerly Minetest). Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server.
Self-hostedOpen sourceGames
13,779LGPL-2.1C++updated Oct 2026
S
Flexible, fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support.
Self-hostedFreeFile Transfer - Object Storage & File Servers
12,715AGPL-3.0Goupdated Oct 2026
M
Full-text search and data analytics, with fast response time for small, medium and big data (alternative to Elasticsearch).
Self-hostedOpen sourceSearch Engines
12,074GPL-3.0C++updated Oct 2026
Next-gen Web Application Firewall (WAF) that will protect your web services.
Self-hostedOpen sourceWeb Servers
11,125AGPL-3.0Pythonupdated Oct 2026
Minimalist news reader.
Self-hostedOpen sourceFeed Readers
9,849Apache-2.0Goupdated Oct 2026
All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more.
Self-hostedOpen sourceFile Transfer & Synchronization
8,841AGPL-3.0PHPupdated Oct 2026
M
Extensible music server. Offers a superset of the mpd API, as well as integration with 3rd party services like Spotify, SoundCloud etc.
Self-hostedOpen sourceMedia Streaming - Audio Streaming
8,606Apache-2.0Pythonupdated Oct 2026
Low-latency, high quality voice/text chat software.
Self-hostedOpen sourceCommunication - Custom Communication Systems
8,369BSD-3-ClauseC++updated Oct 2026