Open Source Projects in C
RustDesk
Open-source virtual desktop and remote control software.
Neovim
Hyperextensible Vim-based text editor
Qdrant
A fast, Rust-built vector database for similarity search, semantic retrieval and AI-powered recommendations.
MPV
Minimalist media player with powerful capabilities
Typesense
Fast, typo-tolerant open source search engine.
TDengine
An open-source, high-performance time-series database.
TimescaleDB
The open-source time-series database optimized for fast ingest and complex queries.
NetBird
WireGuard overlay network with zero-trust access
GoAccess
Real-time web log analyzer
Navidrome
Self-hosted personal music streaming server
Sumatra PDF
A free PDF, eBook, and comic book reader for Windows.
Blender
Free and open source 3D creation suite
QuestDB
A time-series database built for very fast ingestion and SQL queries over market, sensor and metrics data.
Mailspring
Desktop email client with productivity superpowers
Semgrep
A fast, open-source, static analysis tool for finding bugs and enforcing code standards.
Weaviate
An open source vector database that stores both objects and vectors.
Audacity
Free open source audio editor and recorder
Xournal++
A handwriting notetaking software with PDF annotation.
Seafile
A high performance open-source file syncing and sharing solution.
Darktable
Open-source photography workflow and RAW developer
ClamAV
Open-source antivirus engine
SolveSpace
Parametric 2D/3D CAD tool.
ArmorPaint
3D PBR texture painting software
SOGo
A fully supported and trusted groupware server.
VokoscreenNG
An easy to use screencast creator.
Speek
A decentralized, serverless, and completely anonymous chat.
OBS Studio
Professional-grade live streaming and recording without the professional price tag
OPNsense
A hardened FreeBSD firewall that turns spare hardware into an enterprise security appliance
pfSense
The FreeBSD-based firewall that's replaced commercial appliances in countless networks since 2006
Postgres
The object-relational database that's been earning developer trust for three decades
GIMP
GNU Image Manipulation Program
GrapheneOS
Privacy and security focused mobile OS
Inkscape
Free, powerful vector graphics editor