C

An open-source book on storage technology and file systems. From knot records to Flash physics, from FAT to LittleFS — complete with KnotFS, a teaching-grade log-structured embedded file system (~1770 lines C).

Multi CompUter Machine Emulator for several MCUs

Lightweight and versatile AT parser library for ESP8266 and ESP32 devices.

Open and cost-effective "KVM-over-IP". BliKVM comes in 4 different models, v1 CM4, v2 PCIe, v3 HAT and v4 Allwinner, based on Raspberry Pi and Allwinner SoC.

The Fastest Fourier Transform in the South

Windows Defender Killer | Registry-Based Disablement + BYOVD Process Termination (C++)

A simple and easy-to-use file-format to package resources

Operating system for the Sega Dreamcast

Highly portable Zilog Z80 CPU emulator written in ANSI C

High-performance write & space optimized transactional storage engine.

xdotool type for wayland

JPEG artifacts removal based on quantization coefficients.

Modern video compression for the internet

Single-header, cross-platform libraries for game development

Zero-code OpenTelemetry instrumentation powered by eBPF

The source code of main tools used in Bitcoin "non-malware-based" attacks.

Super Light Regexp engine for C/C++

SRB2 2.2 Public (GitLab Mirror)

The Eclipse Embedded CDT plug-ins for Arm & RISC-V C/C++ developers (formerly known as the GNU MCU Eclipse plug-ins). Includes the archive of previous plug-ins versions, as Releases.

Library for flashing Espressif SoCs from other MCUs.

Mirror only. Official repository is at https://git.zx2c4.com/wintun

Cone Programming Language

A Python module to customize the process title

CRDT-based offline-first sync for SQLite. Syncs automatically with SQLite Cloud, PostgreSQL, and Supabase. No conflicts, no data loss, no backend to build. For offline-first apps and AI agents.

CTF kernel exploitation notes, PoCs, exploits, and writeups.

A detour through the Linux dynamic linker

A secure, easy-to-use TOTP/HOTP client written in C with a GTK4/libadwaita interface.