Video editing tool
Video editing tools allow to edict video, such as modifying the length of a video, add text, titles, visual effects etc.
Camtasia is a software suite, created and published by TechSmith, for creating and recording video tutorials and presentations directly via screencast, or via a direct recording plug-in to Microsoft PowerPoint. Audio or other multimedia recordings may be recorded at the same time or added separately from another source.
Da Vinci Resolve
DaVinci Resolve is a complete solution that combines editing, color correction, visual effects, motion graphics and audio post production. There is a free version.
Easy access video hosting service, which allows to create chapters in videos.
It also has a basic video editing feature.