For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Open-source KVM software

A tiling window manager for macOS based on binary space partitioning

C in four functions

An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.

A memory profiler for Linux.

nanomsg-next-generation -- light-weight brokerless messaging

A lightweight JIT compiler based on MIR (Medium Internal Representation) and C11 JIT compiler and interpreter based on MIR

Log what files are accessed by any Linux process

Android port of Simon Tatham's Puzzles

A Ruby PageRank like implementation.