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.

A tiling window manager for macOS based on binary space partitioning

Zstandard - Fast real-time compression algorithm

UNIX-like reverse engineering framework and command-line toolset

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

High performance UI layout library in C.

A small C compiler

C in four functions

Writing a sqlite clone from scratch in C

WebAssembly Micro Runtime (WAMR)

Coz: Causal Profiling

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

A portable device that can spoof/emulate any magnetic stripe, credit card or hotel card "wirelessly", even on standard magstripe (non-NFC/RFID) readers. It can disable Chip&PIN and predict AMEX car…

A dynamic language and bytecode vm

Unbound is a validating, recursive, and caching DNS resolver.

TinyVM is a small, fast, lightweight virtual machine written in pure ANSI C.

Unix command line queue utility

A hacker's userspace TCP/IP stack

luna programming language - a small, elegant VM implemented in C

A VM That is Dynamic and Fast

A lightweight, fast embeddable scripting language.

Dynamic menu library and client program inspired by dmenu

A concurrency C library 10x faster than Golang.

Computing with traps

PicoTCP is a free TCP/IP stack implementation

Aerospike Database Server – flash-optimized, in-memory, nosql database

A linux-based assembly REPL for x86, amd64, armv7, and armv8

Single file C library for decoding MPEG1 Video and MP2 Audio

RaptorJIT: A dynamic language for system programming (LuaJIT fork)

Dude, where are my bytes: Duc, a library and suite of tools for inspecting disk usage