SQLite
The most deployed database in the world
Databases / Data · OSS/MIT
What's Good
Zero configuration, zero server, zero administration. Single-file database is infinitely portable. Write-ahead logging handles concurrent reads. Used by every browser and mobile app.
The Catch
Single writer at a time limits write concurrency. Not designed for network access. Feature set is smaller than Postgres.
Verdict
Good enough for more applications than you realize.
Embed
[](https://stackgems.com/gems/sqlite)