Compare software

RapidCRC Unicode vs Collision: catalog facts
RapidCRC Unicode	Collision
Free Free and open source under the GPL.	Free Free and open source under the BSD 2-Clause licence.
Windows	Linux
Multithreaded hashing with asynchronous I/O Unicode-aware SFV and checksum files	Simple graphical way to verify downloads No need for terminal checksum commands
Windows only Source code documentation is sparse	Linux only Focused on hashing, with no other file tools
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.