Free Video Editing Software

Shotcut is a free, open source, cross-platform video editor.

Trimming on source clip player or timeline with ripple option.
Easy-to-use cut, copy, and paste operations.
Append, insert, overwrite, lift, and ripple delete editing on the timeline
3-point editing.
Hide, mute, and lock track controls.
Multitrack timeline with thumbnails and waveforms.
Unlimited undo and redo for playlist edits including a history view.
Create, play, edit, save, load, and export (render) MLT XML projects (with auto-save).
Drag-n-drop files from file manager.
Detach audio from video clip.
Presets for most filters and Export - both supplied and user-created.
Create custom name for clips and enter comments about it.
Timeline markers and ranges, including export from a range and exporting as text chapters.