PagerDuty - Cloud based monitoring service
Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
OpsGenie - Alerting and On-Call Management for Dev&Ops Teams
RenPy - Ren'Py is a free and cross-platform visual novel engine that helps you use words, pictures, and...
Squadcast - Automate incident response, reduce downtime and enhance your tech teams’ delivery with a unified platform.
Quest - Quest lets you create sophisticated text-based games, without having to program.