Description: Exercism is an open source online platform that provides programming exercises and mentoring for people looking to improve their coding skills. Users can access challenges in over 50 programming languages and get feedback from mentors.
Type: software
Pricing: Open Source
Description: GroupServer is an open source platform for building online communities and mailing lists. It allows groups to have discussions, share files, post news, and manage events.
Type: software
Pricing: Open Source