Lrsql

Judgement

What it is

Complete system

What it does

A conformant xAPI learning record store backed by SQLite or PostgreSQL.

Adopt it when

You need a lightweight, maintained LRS you can self-host.

Watch out

Pre-1.0 and a small company's project; written in Clojure.

Ready for

Usable

Runs as

Self-hosted server

Built with

Clojure, PostgreSQL and SQLite

How established

Established: started 5 years ago, latest release v0.9.11.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare Lrsql

Built from

Follow it down: Lrsql → Clojure → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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