[PlatformIO](http://platformio.org) is an open source ecosystem for IoT development with cross platform build system, library manager and full support for Espressif ESP32 development. It works on the popular host OS: Mac OS X, Windows,Linux 32/64, Linux ARM (like Raspberry Pi, BeagleBone, CubieBoard).
- [What is PlatformIO?](http://docs.platformio.org/page/what-is-platformio.html)
- [Using "Stage" (Git) version of Arduino Core](http://docs.platformio.org/page/platforms/espressif32.html#using-arduino-framework-with-staging-version)