ESP32 software USB host through general IO pins. We can connect up to 4 USB-LS HID (keyboard mouse joystick) devices simultaneously.

Linux port for xtensa architecture. None of these branches are stable.

Implementation of target-xtensa for QEMU.

Forth for ESP-8266

Interpreter experiment. Testing dispatch methods: Switching, Direct/Indirect Threaded Code, Tail-Calls and Inlining

Run Linux on esp8266.

FreeRTOS for Cadence Tensilica HIFI 4 DSP on R329, D1-H, T113 With GCC Compiler

ESP8266 and ESP32 ports of RIOT-OS, for detailed information about RIOT-OS see

A simple driver for ESP8266 enthusiasts out there to drive MCP23017 16-bit IO Expander

take off every zig (forked)

Configuration plugin generator for the GNU xtensa toolchain

Hardware accelerated Cooley-Tukey FFT implementation for the Xtensa architecture.

xtensa TRAX tools

Newlib C library for xtensa

NONOSDK precompiled library with patched ieee80211_freedom_output function