When comparing Sublime Merge vs DiffMerge, the Slant community recommends DiffMerge for most people. In the question“What are the best free 3-way merge tools for Windows?” DiffMerge is ranked 5th while Sublime Merge is ranked 9th. The most important reason people chose DiffMerge is:
DiffMerge is free of charge to download and use for both commercial and open source projects. There's no license needed. However, people who want to contribute to the project monetarily [can do so](https://www.sourcegear.com/diffmerge/register).
Ranked in these QuestionsQuestion Ranking
Pro Pure Git behind the scenes
All actions are real Git actions which minimizes confusion and makes it perfect for beginners and professionals alike.
Pro Very keyboard friendly
All actions have either direct hotkeys or corresponding entries in the palette (same as Sublime Text). This means a very streamlined and fast usage.
Pro "Native" performance (Python based)
Very good performance.
Pro Portable version
Windows portable version.
Pro No account info needed
No account- or server checkbacks (only for updates). All password handling is pure Git which means much less trouble and confusion.
Pro Using the trial version forever without limitations
Sublime Merge may be downloaded and evaluated for free, however, a license must be purchased for continued use. There is no enforced time limit for the evaluation.
Pro Lifetime testing
The product is paid but you can test for your life without paying (similar to sublime text).
Pro Completely free
DiffMerge is free of charge to download and use for both commercial and open source projects. There's no license needed. However, people who want to contribute to the project monetarily can do so.
Pro Cross platform
DiffMerge is cross platform and is available for all major operating systems. This means WIndows, Linux and OSX
Pro Folder compare
Pro Three way merges
DiffMerge supports three way merges.
Con Too expensive
And they're continuing to increase the price over the time, from the $60 that was at the start.
Con Startup time can be slow
DiffMerge's startup time can be quite slow sometimes.