When comparing CrcCheckCopy vs BBEdit, the Slant community recommends BBEdit for most people. In the question“What are the best folder/file compare/diff tools for either OSX, Linux or Windows?” BBEdit is ranked 7th while CrcCheckCopy is ranked 11th. The most important reason people chose BBEdit is:
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.
Specs
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Pros
Pro You do not need concurrent access to the folders you are comparing
Files are scanned and their CRC32 hash is stored in a extra file. Using this file you can validate if another folder is identical with this one, even if the other folder is on an offline backup, like your dad's computer.
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 Can open very large files
Pro Just about every feature is already built in
No searching for plug-ins that may or may not work.
Pro Great customer support
The developer is very responsive to bug reports and feature suggestions.
Pro Native application
Follows platform standards.
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 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.
Cons
Con No GUI
No GUI, so if you cannot handle the MacOS terminal or the Windows command prompt, there are other tools to use to compare folders.
Con Featureless
Con Expensive
It's US$49.99 a single user license.