CitruSync

Small, fast tools for running club games and tournaments.

What we make

Chess Caddy →

Run a chess tournament — Swiss, round robin, knockout and Bughouse. Pairings, results, standings and printables.

PicklePairings →

Pickleball round robins and tournaments, including Americano-style scrambles that keep partners and opponents changing.

Mahjong Director →

American Mahjong (NMJL) tournaments and leagues — seating, the MJMP rotation, scoring, standings and score cards.

The idea behind all of them

The app is free, and it runs on your device. No account, no sign-up, and no internet needed. Your roster and your scores stay in your own browser — we never see them.

We charge only for the parts that genuinely need a server. A live results page your players can open on their phones, for example. A few dollars a month, cancel whenever, and nothing that is free today ever moves behind that line.

Getting in touch

Questions, bug reports, or a request to remove something published about you: support@citrusync.com. A real person reads it.

CitruSync · Florida, USA
Emails from our apps are sent from this domain. If you received a sign-in code from us and were not expecting it, you can ignore it — nobody can reach your account without the code itself.