Error migrating from mbed online site
Note that the current (June 2017) version of SW4STM32 uses an incompatible toolchain for mbed:
http://www.openstm32.org/tiki-view_forum_thread.php?forumId=7&comments_parentId=5150
Related content
Development tools for Zephyr on STM32
Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.
Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.