When comparing DiffMerge vs BBEdit, the Slant community recommends DiffMerge for most people. In the question“What are the best folder/file compare/diff tools for either OSX, Linux or Windows?” DiffMerge is ranked 8th while BBEdit is ranked 10th. 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 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 Folder compare
Pro Cross platform
DiffMerge is cross platform and is available for all major operating systems. This means WIndows, Linux and OSX
Pro Three way merges
DiffMerge supports three way merges.
Pro Stable development, been around for decades
BBEdit is commercial software, the paid counterpart to their free application Textwrangler. Though BBEdit comes off as pricey, this allows for stable and consistent updates from the developers. BBEdit has been around since 1992.
Pro Just about every feature is already built in
No searching for plug-ins that may or may not work.
Pro Can open very large files
Pro Built-in FTP/SFTP browser
BBEdit can open files directly from, and save them to, any available FTP server. It can also open and save files directly via SFTP (SSH File Transfer Protocol).
Pro Great customer support
The developer is very responsive to bug reports and feature suggestions.
Pro Great JAMStack environment
You can build the static site of your dreams without needing any external assistants. Although it does not process LESS, SASS, or SCSS files, BBEdit's includes are very powerful.
Con Startup time can be slow
DiffMerge's startup time can be quite slow sometimes.
It's US$49.99 a single user license.