Spoj - Sphere Online Judge created for the coders' community to train, to learn and to make progress.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
99 Interview - 99Interview provide you the platform to prepare the interview before facing the real interview panel.
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Lessonly - Getting teams up-to-speed and keeping them there.