Free and open (as much as possible) integrated SDK for ESP8266/ESP8285 chips

All CPU and MCU documentation in one place

The OpenSource Disassembler

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

A compiler for ARM, X86, MSP430, xtensa and more implemented in pure Python

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

Peripheral Access Crates for Espressif SoCs and modules

A kernel written in Rust

Implementation of target-xtensa for QEMU.

Forth for ESP-8266

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

IDAPython plugin for Tensilica Xtensa (as seen in ESP8266), version 2

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

Run Linux on esp8266.

Generating the call graph from elf binary file

ESP32 Firmware Patching Framework with Streamlined Binary/Runtime Patching Methods. Used in conjunction with Platformio and Ghidra.

ESPxRGB is an Arduino/ESP-IDF library of RGB, RGBW, HSV conversion functions and Gamma Correction written in Xtensa assembler for ESP SoCs with Xtensa cores (ESP32).

Xtensa CPU architecture (ESP8266) binaries for ScratchABit interactive disassembler

Board Support Package for the WEMOS/LOLIN D1 mini