Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
OneCause - Fundraising auction & event management software
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
DonorStudio Suite - DonorDirect is a nonprofit CRM software solution designed to help ministries.
Rage - Rage Software, also Rage Games and FX Digital Network, was a British video game developer.
Commit Change - Commit Change is a nonprofit CRM software solution that helps nonprofits accept donations, host ticketed events, run crowdfunding campaigns, & manage data.