OBS, or Open BroadcasterSoftware, is a free (and open source) screen recorder that also supports livestreams and facecams.
Ranked in these QuestionsQuestion Ranking
Pro Free and open source
No subscriptions or payments or licenses.
From the website: "GPU-based game capture for high performance game streaming."
OBS has an API allowing developers to create their own unique plugins, giving them and others complete control of their streaming experience.
Pro Encoding using H264 (x264) and AAC and file output to MP4 or FLV
Pro Unlimited number of scenes and sources
Pro Available for Linux, Mac, Windows
Con Screen-recording not found
Con Overkill for simple projects
Plus the interface is a bit intimidating.