Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Most users think Doorstop is a great IBM DOORS Next alternative.
Doorstop is the most popular Windows, Mac & Linux alternative to IBM DOORS Next.
Doorstop is the most popular Open Source & free alternative to IBM DOORS Next.
- Doorstop is Free and Open Source




































Functionality-wise it is very similar, with git back end it allows multiple people to edit different documents in the same project (only exclusive edit). User interface is really snappy and modern, desktop client is multi platform.