Micropython IDE options

uPyIDE http://pythontutor.com/ – not an IDE but great tools to visualize how code is executed http://espcut.com/ – IDE for ESP8266 NodeMCU, Lua and MicropythonIDE for ESP8266 NodeMCU, Lua and Micropython Windows Only 🙁 but provides a file structure viewer of the MicroPython file system through the serial port.