Talisman [https://thoughtworks.github.io/talisman/] is an open-source tool written in Go [https://golang.org/] by the technology consultancy ThoughtWorks [https://www.thoughtworks.com] (home of the well-known Martin Fowler [https://martinfowler.com/]). It's essentially a tool that can hook into the git [https://git-scm.com/] version control system