OpenShot is a free, open source, video editing program for Windows, macOS, and Linux. This software is great for editing and arranging large projects, applying title cards, chroma key (green screen) replacement, and audio voice over.
ShotCut is a free, open source, video editing software for Windows, macOS, and Linux. ShotCut has a number of great special effect.
Avidemux is a free, open source, video editing software for Windows, macOS, and Linux. This program can edit video and apply special effects, but some of its more advance features features can be used to create glitch art.