SonarQube is a continuous inspection platform for automated static code analysis, quality gates, and security findings across many programming languages in CI/CD workflows.

10.9k stars2.2k forksLGPL-3.0last commit Actively maintained

JetBrains Upsource is a cloud-hosted code review and repository collaboration service that provides code browsing, threaded reviews, inline comments, merge checks and project analytics for Git, Mercurial and Perforce repositories.
SonarQube is a continuous inspection platform for automated static code analysis, quality gates, and security findings across many programming languages in CI/CD workflows.

10.9k stars2.2k forksLGPL-3.0last commit Actively maintained
Review Board is a web-based tool for code and document reviews, with rich diff viewing, threaded discussions, and integrations with many version control and CI systems.

1.7k stars438 forksMITlast commit Actively maintained
Gerrit Code Review is a web-based code review and workflow tool for Git that supports inline comments, access controls, and integrated Git hosting via SSH/HTTPS.

1.2k stars275 forksApache-2.0last commit Actively maintained
Phorge is a self-hosted software development platform for code review, task tracking, and project collaboration, based on the Phabricator ecosystem.

Activity unknown
SourceHut is an open source software development platform with Git/Mercurial hosting, continuous integration, mailing lists with code review, tickets, wikis, and more.

Activity unknown
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 5 shipped a commit in the last six months. Licences in this list: LGPL-3.0, MIT, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Source Code Hosting & Collaboration (Git Forges).