Audio (1531 programs)
Pros: Two sources for audio and two for video. Includes several video effects. Output can be streamed to TV or recorded.
Cons: Off-putting interface. No documentation.
Pros: The most original music tool ever. Includes a wide range of instruments. Generates music automatically.
Cons: You don't have much control over the creation process.
Pros: Nine different functions. Allows you to do everything in one package.
Cons: File editor is a bit confusing. Skins are limited.