Tanemaki (種まき, "to sow seeds") is a local-first, decentralized app for keeping and sharing traditional seeds. Every traditional seed is a letter written by thousands of generations, passed from hand to hand. Tanemaki helps people and seed-saver collectives keep a friendly inventory of their bank, decide what they offer, and share it locally — without a central intermediary that could control, censor, or be fined for it. MANAGE YOUR BANK • Add a seed with just a photo and a name — no Latin required. • Note the year, how much you have, where it came from, germination tests. • Search and filter; snap a photo now and name it later. YOURS, AND ONLY YOURS • Works fully offline. No account, no server, no trackers. • Everything is encrypted at rest on your device. • Save an encrypted backup and keep a printed recovery sheet — restore your whole bank on a new device. SHARE, THE WAY IT'S ALWAYS BEEN DONE • Mark what you have spare to give away, swap or sell. • Print a catalog of what you share to take to a seed fair. Tanemaki is free software (AGPL-3.0). No ads, no commissions, no business model — it exists to support traditional varieties and push back against the seed monopoly.