PowerDirector is an video authoring and editing applications for the home/casual user. It has a robust feature set including timeline, many transistion/text effects, PiP, and much more. PowerDirector also has an active community of content contributors which release new effects on a regular basis.
Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
- video creation software not a converter, you could use it to do so but then every video creation software apples and that is not the same