James Long

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Creator of Prettier and Actual Budget. JavaScript developer focused on local-first software, CRDTs, and developer tooling.

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Notes (1)

CRDTs for Mortals

by james-long

You don't need a PhD to use CRDTs — a Last-Write-Wins Map plus a Grow-Only Set on top of SQLite gives you production-grade sync in 630 lines of JavaScript.

crdt local-first sync-engines distributed-systems sqliteMar 4, 2026