Camtasia, Snagit, ShareX, Bandicam, OBS Studio, ScreenRec, VokoscreenNG, SimpleScreenRecorder, CamStudio, ActivePresenter, Fluvid, Clip2Net, ShowMore, Webinaria, Screenbird, Quick Screen Share, Screencast.com, Screenmailer, QuickCast, Silverback, Tapes, ScreenToaster, RecCloud, ScreenJelly are some alternatives to Screencast-O-Matic.