Self-hosted projects built with CMake

Ollama is a local LLM runtime that lets you pull, run, and customize models, offering a CLI and REST API for chat, generation, and embeddings.

MITActively maintained

Alternative to:

OpenAI API+15

Self-hosted game streaming server for Moonlight with low-latency streaming, hardware/software encoding, and web-based configuration and pairing.

GPL-3.0Actively maintained

Alternative to:

Parsec+11

KeePassXC is a secure, cross-platform password manager that stores credentials and sensitive notes in encrypted KeePass-compatible KDBX files with autofill and browser integration.

Actively maintained

Alternative to:

KeePassXC+10

Valkey is an open-source, Redis-compatible key/value datastore optimized for caching, queues, and other real-time workloads, with clustering, replication, and extensibility.

BSD-3-ClauseActively maintained

Alternative to:

Redis Cloud+4

Typesense is a developer-friendly search engine for instant, typo-tolerant search-as-you-type with faceting, filtering, geo search, and vector/semantic search APIs.

GPL-3.0Actively maintained

Alternative to:

Algolia+19

Kodi is an open source media center for organizing and playing local and networked video, music, and photos with a TV-friendly interface and add-on ecosystem.

Actively maintained

Alternative to:

Microsoft Windows Media Player+7

Fast, lightweight BitTorrent client with desktop apps, a headless daemon, and a web UI for remote torrent management on macOS, Windows, and Linux.

Actively maintained

Alternative to:

BitTorrent+2

OpenVPN is a widely used open-source VPN daemon providing TLS/SSL-based secure tunneling, flexible client-server and site-to-site modes, and cross-platform support.

Actively maintained

Alternative to:

OpenVPN CloudConnexa+18

Luanti (formerly Minetest) is an open-source voxel game engine for building and hosting modded games and multiplayer worlds with Lua-based modding.

Actively maintained

Alternative to:

Minecraft Realms

MySQL is an open source relational database for SQL-based transactional and analytical workloads, supporting replication, high availability, and clustering options.

Actively maintained

Alternative to:

Amazon Relational Database Service (Amazon RDS)+11

Manticore Search is a fast open-source search database for full-text, faceted, and vector search with SQL (MySQL protocol) and HTTP JSON APIs.

GPL-3.0Actively maintained

Alternative to:

Manticore Search+15

Eclipse Mosquitto is a lightweight, open-source MQTT broker supporting MQTT 5.0 and 3.1.1, plus client libraries and CLI tools for pub/sub messaging.

Actively maintained

Alternative to:

EMQX Cloud+11

Mumble is an open-source, low-latency VoIP voice chat platform with a desktop client and a self-hosted server for encrypted group communication.

Actively maintained

Alternative to:

Skype+4

OpenTTD is an open-source transport simulation game based on Transport Tycoon Deluxe, featuring deep logistics gameplay, modding support, and multiplayer.

Actively maintained

Alternative to:

Minecraft Realms+10

OSRM is a high-performance routing engine for OpenStreetMap data, providing an HTTP API for routing, map matching, distance tables, and more.

BSD-2-ClauseActively maintained

Alternative to:

Mapbox+1

Snapcast is a client-server system for perfectly synchronized multiroom audio playback, turning existing audio players into a Sonos-like whole-home streaming setup.

GPL-3.0Actively maintained

Alternative to:

Sonos+3

ClamAV is an open-source antivirus toolkit providing a multi-threaded daemon, command-line scanners, and automatic signature updates for mail gateways and file scanning.

GPL-2.0Actively maintained

Alternative to:

McAfee+8

The Battle for Wesnoth is a free, open-source turn-based tactical strategy game with rich campaigns, multiplayer, a map editor, and extensive modding support.

Open-source CLI task manager with tagging, projects, priorities, recurrence, filtering, extensible hooks and optional sync.

MITActively maintained

Alternative to:

Todoist+10

Open-source, cross-platform Qt e-reader and library manager with cloud sync, highlighting, an in-app bookstore, AI-assisted lookups, and support for common formats.

GPL-3.0Likely dormant

Alternative to:

Adobe Digital Editions+4

Self-hosted voice assistant platform for ESP32 devices with on-device wake-word and command recognition, Home Assistant integration, and an optional inference server for STT/TTS/LLM.

Apache-2.0Actively maintained

Alternative to:

Amazon Alexa+9

Kamailio is an open source SIP signaling server for scalable VoIP and real-time communication platforms, supporting routing, load balancing, WebRTC, and IMS/VoLTE.

Actively maintained

Alternative to:

AudioCodes Mediant Session Border Controller (SBC)+6

Tox is a decentralized, peer-to-peer communication system for encrypted messaging, voice/video calls, screen sharing, and file transfers without central servers.

GPL-3.0Actively maintained

Alternative to:

Signal+12

ZNC is an advanced IRC bouncer that stays connected to IRC networks, letting you reconnect from one or more clients and replay buffered messages you missed.

Apache-2.0Actively maintained

Alternative to:

IRCCloud+3

Open-source Moonlight streaming server that runs in Docker to share a single host among multiple remote clients.

MITActively maintained

Alternative to:

Shadow PC+9

Open-source lightweight music server offering web-based streaming, tagging, recommendations, Subsonic API compatibility and audio transcoding for personal music collections.

GPL-3.0Actively maintained

Alternative to:

Plex+9

Open-source C++ music server with web UI, Subsonic API, audio transcoding, recommendations, multi-library support and playlists/lyrics features.

GPL-3.0Actively maintained

Alternative to:

Plex+11

Hypersomnia is a community-driven multiplayer top-down shooter built in modern C++ without a game engine, featuring deterministic netcode and an in-game map editor.

Gerbera is an open source UPnP/DLNA media server that streams your music, photos, and videos to compatible devices on your home network, with a web UI and optional transcoding.

Actively maintained

Alternative to:

Serviio+6

InspIRCd is a modular, lightweight Internet Relay Chat (IRC) server with a flexible module system, designed for stable and performant IRC network deployments.

Actively maintained

Alternative to:

IRCCloud+3