OpenShot has too many great features to list them all here but here are a few of them:

* Support for many video, audio, and image formats (based on FFmpeg)
* Gnome integration (drag and drop support)
* Multiple tracks
* Clip resizing, trimming, snapping, and cutting
* Video transitions with real-time previews
* Compositing, image overlays, watermarks
* Title templates, title creation
* Solid color clips (including alpha compositing)
* Support for Rotoscoping / Image sequences
* Drag and drop timeline
* Frame stepping, key-mappings: J,K, and L keys
* Video encoding (based on FFmpeg)