A lot of people have been asking about VersionX, and I've finally been able of getting some stuff done.
VersionX2 is a complete rewrite and is NOT (I repeat is NOT) compatible with data from the 1.0 releases. It uses a completely different (much more stable and scalable) base and saves versions of resources and elements: templates, template variables, chunks, snippets and plugins.
TV values for Resources is only available for MODX 2.1+ right now, though I am going to extend that to 2.0 as well to provide maximum support.
The UI isn't done yet, and all feedback / encouragement / bug reports are welcome. Use this thread for discussion, but make sure feature requests and bugs are filed in the VersionX2 Github Repository: https://github.com/Mark-H/VersionX2/issues
(yes you can also look at the source there, and even better: fork it and send over improvements!)
You can always find the latest packaged version in the _packages directory on Git, and I'll try to keep this post updated with the latest packages as well.
Latest download on Git or in post: http://forums.modx.com/thread/72078/versionx-v2---in-development-previews?page=2#dis-post-408660
[ed. note: markh last edited this post 9 years, 9 months ago.]