MPL-2.0
6 self-hostable open-source tools licensed under MPL-2.0 · across 6 categories
File-level (weak) copyleft: only the modified MPL-licensed files have to stay open and MPL-licensed. You can mix MPL files with proprietary code in the same product as long as the MPL files themselves stay separately distributable.
One-line plain-English summary above — not legal advice. Confirm with the project's LICENSE file before commercial use.