https://gitlab.com/opencraft/documentation/private/blob/master/tools_we_use.md returns 404.
It is referenced in https://courses.opencraft.com/courses/course-v1:OpenCraft+onboarding+course/courseware/chapter_newcomer/introduction_newcomer/?activate_block_id=block-v1%3AOpenCraft%2Bonboarding%2Bcourse%2Btype%40sequential%2Bblock%40introduction_newcomer