A list of Useful tools for analyzing vulnerabilities, updates and other stuff. If you've found something that you think's worth adding to this list, send me an email.
Tracks changes to the ABI of most major packages, showing when ABI breaking changes are made. It also tracks when *.so numbers change, so it is quite useful when determining if it is safe to upgrade from one version of a package to another. Thanks to Maarten Hendrickx for sharing this one.