Loro
Ranked 3 of 3 CRDT libraries by recommenders
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.
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.
7 people gave an opinion
- recommend it
- 6
- criticize it
- 1
- approval share
- 86%
Recommended in 4 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 6 people recommend itNeeds 10 or more, not met.
- 6 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 4 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Allows pruning history
“build the basis of loro which allows to prune history”
Comment from 16 Mar 2026 in “Lies I was told about collaborative editing, Part 2: Why we don't use Yjs” Works well with protocol crate
“Loro along with their protocol crate works great”
Comment from 2 Aug 2026 in “Show HN: Syncular – offline-first SQL sync with TypeScript and Rust cores” Favorite open source project
“I love Loro and its probably my favorite open source project”
Comment from 29 Nov 2025 in “The CRDT Dictionary: A Field Guide to Conflict-Free Replicated Data Types”
What people warn about
Each mark is one comment
Document-based, weak query engine
“the fundamental problem remains that they're document based without a good query engine”
Comment from 30 Nov 2025 in “The CRDT Dictionary: A Field Guide to Conflict-Free Replicated Data Types” Not SQL, so big queries annoying
“it's not SQL so some things like big queries are annoying”
Comment from 2 Aug 2026 in “Show HN: Syncular – offline-first SQL sync with TypeScript and Rust cores”
Other CRDT libraries people recommend
The two most recommended other CRDT libraries, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
See all 3 CRDT libraries, rankedWhat people said
5 of the 10 comments that mention it, newest first. Each links to the original comment.
“it's not SQL so some things like big queries are annoying”
“Loro along with their protocol crate works great”
“build the basis of loro which allows to prune history”
“the fundamental problem remains that they're document based without a good query engine”
“I love Loro and its probably my favorite open source project”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.