Sandboxie Plus

Sandboxing tool that runs applications in isolated containers so they cannot change the system. Base features are GPLv3 and free for personal use; a paid supporter certificate adds extra features.

Get it

Free for personal use — businesses need a paid license.

Free Enough

This app has paid upgrades — but its free tier is the complete product. Most people who use it never feel the need to pay.

a paid supporter certificate adds extra features, but the free base features sandbox applications fully.

Something wrong?

Reports go to a human review queue. No timeline promised — this is a small pilot, but every report gets read.