Sming

Sming is an open Source framework for high efficiency WiFi SoC ESP8266 native development with C++ language. Visit Sming on GitHub.

Highly effective in performance and memory usage (this is native firmware!)
Simple and powerful hardware API wrappers
Fast & user friendly development
Work with GPIO in Arduino style
Compatible with standard Arduino libraries – use any popular hardware in few lines of code
Integrated boot loader rBoot with support for 1MB ROMs, OTA firmware updating and ROM switching
Built-in file system: spiffs
Built-in powerful wireless modules
Powerful asynchronous (async) network stack
- Async TCP and UDP stack based on LWIP
- With clients supporting: HTTP, MQTT, WebSockets and SMTP
- And servers for: DNS, FTP, HTTP(+ WebSockets), Telnet
- With SSL support for all network clients and servers based on axTLS 2.1+ with Lwirax.
- Out of the box support for OTA over HTTPS.
Crash handlers for analyzing/handling system restarts due to fatal errors or WDT resets.
PWM support based on Stefan Bruens PWM
Optional custom heap allocation based on Umm Malloc
Based on Espressif NONOS SDK. Tested with versions 1.5 and 2.0. Experimental support for SDK version >= 3.0.0.