@袁华辉SourceTree is free but it's code base is not open source.
You can participate in this discussion and raise your points also - https://community.atlassian.com/t5/Sourcetree-discussions/Open-source-the-SourceTree-source-code/td-p/595850
Supported Platforms macOS Windows We recently introduced support for additional hosting services such as GitHub Enterprise, GitLab (Cloud, Community Edition, Enterprise Edition), and...
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