What's the alternative?

Compare Trac VS GitHub

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External Review References
These are some of the sources we've used to compare Trac and GitHub
Trac Reviews
We have no reviews of Trac yet. Be the first one to submit.
GitHub Reviews
Gitea - Alternative to GitLab and GitHub
What I'd personally like to see is a repo viewer similar to Github but implemented purely in JavaScript and cloning repos in the fly just like the native git does. Git.js (https://github.com/yonran/git.js) has something like that but it looks old and ugly.
GitHub Alternatives (Free, Paid, Self-Hosted)
The trending news of yesterday was the acquisition of GitHub (the world’s leading software development platform) by Microsoft. This is a great deal for Microsoft which might put it in the position it was about 10 years ago in the software market. But a lot of open-source fans are unhappy with this.
Source: tutswiki.com
Bug Tracker Needed? Here 6 Best Bug Tracking Software to Use
Developers love it, they know how to use it and they do it regularly. For these reasons, it will be expedient to use it also for bug tracking. For this purpose, GitHub offers the so-called GitHub Issues.
Source: everhour.com