About sharkfin
sharkfin configures keyboards built on ROYUAN hardware. It is written against the boards' own USB protocol, which is documented in docs/PROTOCOL.md.
History
First release 26 July 2026. 63 releases to date. Version 0.8.0, on 12 September 2026, moved the app from alpha to beta.
Maintainer
sharkfin is maintained by @dniminenn (dnim.dev).
Licence
GPL-3.0-or-later, the whole app, browser build included. You can use it, read it, change it and pass it on, as long as what you pass on carries the same licence and its source.
Where the numbers come from
Every count on this site is generated from the same list of boards the app ships.
Affiliation
None. sharkfin is an independent project, not affiliated with or endorsed by Attack Shark, ROYUAN or any keyboard vendor.
In the press
Hackaday, 28 July 2026 and kbd.news.
Contributions
Most boards on this site were added from a board report with a bundle attached. That is what grows the list, and it costs nothing to send.
Hardware
The rest is boards, bought to test against. Money goes to hardware, for sharkfin and for whatever tool comes after it: ko-fi.com/sharkfinkb.
Contact
Bugs and questions go through GitHub issues.