A flexible distributed key-value database that is optimized for caching and other realtime workloads.

Espressif IoT Development Framework. Official development framework for Espressif SoCs.

A modern, portable, easy to use crypto library.

Open Source Soldering Iron firmware

Open source ARM Cortex-M microcontroller library

Firmware for Pinetime smartwatch written in C++ and based on FreeRTOS

The official Asterisk Project repository.

Making dwm as beautiful as possible!

A network library for client/server games written in C++

Sample ESP32 snippets and code fragments

smenu started as a lightweight and flexible terminal menu generator, but quickly evolved into a powerful and versatile CLI selection tool for interactive or scripting use.

Dire Wolf is a software "soundcard" AX.25 packet modem/TNC and APRS encoder/decoder. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gatewa…

🔒 Trezor Firmware Monorepo

Web Framework to build REST APIs, Webservices or any HTTP endpoint in C language. Can stream large amount of data, integrate JSON data with Jansson, and create websocket services

X11 screen lock utility with security in mind

3D Printed Microscope

W25qxx, N25Qxx and other SPI FLASH driver for stm32 HAL

Build userspace NVMe drivers and storage applications with CUDA support

Lightweight linux console locking tool

Example of using ESP32 with GSM modem and lwip+pppos

SCP (power management) firmware for sunxi SoCs

'I Hate C Testing': A minimal testing framework for C.

Example of JSON Serialize and Deserialize in ESP-IDF

Punchboot

A miniature ARM-powered LED wristwatch

A pinentry program with the charm of dmenu

Enabling low-bandwidth LibP2P protocols to communicate over LoRa, a low-powered long-range wireless protocol (WIP)

The "Telescope" is a pair of DIY smart glasses similar to the Google Glass in form and technology.

lwip mirror

Libraries for interfacing MFRC522 RFID reader with ESP-WROOM-32.