Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Hexen II - The Hammer of Thyrion project is a cross-platform source port effort of Raven Software's Hexen.
Clever - syncing between education applications for K-12 schools
Sven Co-op - Online co-op game based on Half-Life.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.