OSS
Engrava and avouch Land on Show HN Within the Hour — a SQLite Graph Memory DB and a Local-Only Code Reviewer Built After Canceling a Subscription
Two brand-new Show HN posts landed in the last half hour: sovantica/engrava, an MIT-licensed local graph memory database for AI agents built on SQLite (3 points), and mukundzha/avouch, a free local AI code reviewer whose author frames it as what they built after canceling a paid subscription (3 points, 2 comments). Both are too new to have signal, but the pairing is the pattern worth noting — local-first and subscription-replacement are the two framings solo builders are reaching for right now. Engrava in particular is the fifth distinct agent-memory architecture visible in a single day's trending and Show HN data.
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