iSpring Free - iSpring Free is a free eLearning authoring tool that allows you to create responsive courses and quizzes right in PowerPoint and convert them to HTML5 or SCORM.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
H5P - H5P is a free and open-source content collaboration framework based on JavaScript.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Articulate Storyline - Articulate Storyline is a program that allows you to create interactive courses of any kind with templates and a simple system. There is a free trial offered so that you can determine whether you want to use the program further or not.
CamStudio - CamStudio is a screen capturing tool that records video from computer screen and save it to system’s storage with AVI extension, which is propped up by most frequent video players and editors.