Development tools for Zephyr on STM32Workbench 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.
Please, check the question "Error in final launch sequence". The questions are why the elf file is corrupted and how to make the workbench generate the correct elf?