Kat
Database migrations for the top 1%
Kat launched on February 19, 2026 with 3 votes, #3,486 of 16,627 launches that month and more than 50% of that year's launches.
What it does
Kat is **Git-style migrations** for PostgreSQL; think `git graph`, but for schema. Graph-based migration tool with explicit dependencies and parallel development workflows.
Kat is **Git-style migrations** for PostgreSQL and SQLite; think `git graph`, but for schema. Graph-based migration tool with explicit dependencies and parallel development workflows.
Does a similar job
all alternatives →
Stellar – Git for PostreSQL and MySQL2014 · github.com · ▲325Fast database snapshot and restore tool for development - fastmonkeys/stellar
Firebase2graphql – Migrate from Firebase to GraphQL on Postgres2018 · github.com · ▲114Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events. - graphql-engine/community/tools/firebase2graphql at master · hasura/graphql-engine
GraphQL for Postgres2015 · github.com · ▲195GraphQL for Postgres. Contribute to solidsnack/GraphpostgresQL development by creating an account on GitHub.
Visualize database schemas with a single query2024 · github.com · ▲227Hey HN! We are Jonathan & Guy, and we are happy to share a project we’ve been working on. ChartDB is a tool to help developers and data analysts quickly visualize database schemas by generating ER diagrams with just one query. A unique feature of our product is AI-Powered export for easy migration. You can give it a try at https://chartdb.io and find the source code on GitHub. Next steps ---> More AI. We’d love feedback :)
Zero-downtime PostgreSQL migrations for Ruby on Rails2022 · github.com · ▲36Catch unsafe PostgreSQL migrations in development and run them easier in production (code helpers for table/column renaming, changing column type, adding columns with default, background migrations, etc). - fatkodima/online_migrations

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