Self-hosted projects built with C++

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

Open-source OLAP database designed for real-time analytics at scale.

Apache-2.0Actively maintained

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ClickHouse Cloud+11

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

GPL-3.0Actively maintained

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Parsec+11

qBittorrent is a fast, free, cross-platform BitTorrent client with a desktop UI and optional Web UI, built on libtorrent for efficient torrent downloading and seeding.

Actively maintained

Alternative to:

BitTorrent+2

SRS (Simple Realtime Server) is a high-efficiency media server supporting RTMP, WebRTC, HLS, HTTP-FLV, SRT, MPEG-DASH, and GB28181 for real-time streaming.

MITActively maintained

Alternative to:

Wowza Streaming Cloud+8

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

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

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Algolia+19

Calibre is a cross-platform e-book manager to organize libraries, edit and convert formats, fetch metadata, and sync content to e-readers.

GPL-3.0Actively maintained

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Adobe Digital Editions+3

Alternative open source firmware for ESP8266/ESP32 IoT devices, providing local control via MQTT/HTTP/Web UI, OTA updates, and built-in automation rules and timers.

GPL-3.0Actively maintained

Alternative to:

SONOFF Cloud (eWeLink)+6

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

Self-hosted Dropbox-like web file manager that connects to SFTP, S3, WebDAV, SMB/NFS, Git and more, with sharing links, plugins, and SSO integration.

AGPL-3.0Actively maintained

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Dropbox+19

Open-source VPN client for desktop and mobile that can automatically set up a private VPN server and connect using WireGuard, OpenVPN, IKEv2, and obfuscated modes.

GPL-3.0Actively maintained

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NordVPN+15

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

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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

ESPHome generates custom firmware for ESP32/ESP8266 and other boards from YAML, enabling local smart home devices with Home Assistant, API, and MQTT integration.

Actively maintained

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Blynk+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

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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

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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

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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

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Sonos+3

Sandstorm is a self-hostable web productivity suite that lets you install, run, and securely share many web apps with unified access control and sandboxing.

Actively maintained

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Cloudron+4

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

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Todoist+10

ZoneMinder is a free, open-source video surveillance system for Linux that captures, analyzes, records, and monitors cameras via a web interface.

GPL-2.0Actively maintained

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Blue Iris+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

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Adobe Digital Editions+4

FreeSWITCH is an open-source software-defined telecom stack for building VoIP and real-time communication services with SIP and WebRTC support.

Actively maintained

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Twilio+15

RStudio Server provides the RStudio IDE in a web browser for multi-user R and Python development, including editing, plotting, debugging, and project management.

Actively maintained

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JetBrains DataSpell+16

Cross-platform terminal music player with library indexing and a built-in streaming server for Windows, macOS, Linux, and Raspberry Pi.

BSD-3-ClauseActively maintained

Alternative to:

JRiver Media Center+7