# Loro

6 Hacker News commenters recommended Loro and 1 criticized it, November 2025 to November 2026. It was recommended in 4 of 13 months.

**Verdict:** Open-source CRDT library that people recommend for its history pruning and protocol crate. Critics note it is document-based with no SQL-style query engine.

## Why people recommend it

- Allows pruning history (1 comments): "build the basis of loro which allows to prune history" ([source](https://news.ycombinator.com/item?id=47404925))
- Works well with protocol crate (1 comments): "Loro along with their protocol crate works great" ([source](https://news.ycombinator.com/item?id=49144208))
- Favorite open source project (1 comments): "I love Loro and its probably my favorite open source project" ([source](https://news.ycombinator.com/item?id=46090252))

## What people warn about

- Document-based, weak query engine (1 comments): "the fundamental problem remains that they're document based without a good query engine" ([source](https://news.ycombinator.com/item?id=46092549))
- Not SQL, so big queries annoying (1 comments): "it's not SQL so some things like big queries are annoying" ([source](https://news.ycombinator.com/item?id=49144243))

## Alternatives hackers recommend

- [Yjs](https://hackerapproved.com/p/yjs.md): 26 recommend
- [Automerge](https://hackerapproved.com/p/automerge.md): 7 recommend

## Cite as

Hacker Approved, "Loro", https://hackerapproved.com/p/loro/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).