ARM emulator

Simple instruction set simulator for ARMv6-M (Cortex M0)

Tiny inflate library (inflate, gzip, zlib)

Standalone kconfig and kbuild

report system wide file access events

A portable QR and Barcode generation / manipulation library written in C.

A small self-contained alternative to readline and libedit

Baremetal framework and example projects for the STM32MP15x Cortex-A7 based MPU

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining …

firmware image editor, supports ext2, ubi...

The OpenRISC 1000 architectural simulator

Instruction set simulator for RISC-V, MIPS and ARM-v6m

Low-cost LS/FS/HS USB sniffer with Wireshark interface

U8glib library for monochrome displays, version 2

An emulator for Amiibo!

Flexible I/O Tester

Measure stack usage in Linux and macOS applications

Portable, reentrant, getopt-like option parser

Command-line arguments parsing library.

面向开发者的技术速查清单（Cheat Sheets）集合，整理常见技术、工具与开发流程，帮助快速查阅关键信息，提高开发效率。

DIY 迷你游戏机

The only tool/technique to punch holes through firewalls/NATs where multiple clients & server can be behind separate NATs without any 3rd party involvement. Pwnat is a newly developed technique, ex…

GNB is open source de-centralized SDVN to achieve layer3 network via p2p with the ultimate capability of NAT Traversal.GNB是一个开源的去中心化的具有极致内网穿透能力的通过P2P进行三层网络交换的SDVN。

xfrpc 是一个轻量级的 FRP 客户端，完美兼容 frps，采用 C 语言实现，专为 OpenWRT 和物联网等资源受限系统优化设计。它针对 ROM 和 RAM 空间有限的设备，提供高效的内网穿透解决方案。xfrpc 集成了xDPI（深度包检测）功能，增强了安全性，有效防止内网穿透中因恶意嗅探导致的安全威胁，确保数据传输和网络访问的可靠保护。技术交流QQ群 331230369

A Tiny Garbage Collector for C

A simple mark-sweep garbage collector in C

An implementation of a small TCP/IP protocol stack for learning.

SyterKit is a bare-metal framework

Example applications using the wolfSSL lightweight SSL/TLS library

A set of example programs that demonstrate various OpenSSL functions and enable "learning by doing".