Tansu
Shares rank 16 of 19 message brokers by recommenders
A Kafka-compatible message broker with a pluggable storage backend, recommended as a lightweight alternative to Kafka. Commenters say it is not yet proven for serious workloads.
A Kafka-compatible message broker with a pluggable storage backend, recommended as a lightweight alternative to Kafka. Commenters say it is not yet proven for serious workloads.
5 people gave an opinion
- recommend it
- 5
- criticize it
- 0
- approval share
- 100%
Recommended in 3 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 3 of 13 monthsNeeds 4 or more, not 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
Compatible with Kafka clients and tools
“That solution would retain both the client implementations and tools (network effect). But it comes at extra complexity”
Comment from 8 Nov 2025 on Hacker News “It at least provides Kafka API parity, and critically also gives users a pluggable backend”
Comment from 4 Dec 2025 in “Show HN: Walrus – a Kafka alternative written in Rust”
What people warn about
Each mark is one comment
Not yet for serious use
“probably would not use it for anything too serious (yet!)”
Comment from 24 Jan 2026 in “Small Kafka: Tansu and SQLite on a free t3.micro” Adds complexity compared with Kafka
“That solution would retain both the client implementations and tools (network effect). But it comes at extra complexity”
Comment from 8 Nov 2025 on Hacker News
Other message brokers people recommend
The four most recommended other message brokers, 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.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Apache Kafka | 53 | 55 | 49% | 12 | — | — |
| NATS | 34 | 16 | 68% | 9 | 7.5 yrs3 owners | Approved |
| Amazon SQS | 18 | 14 | 56% | 8 | — | — |
| Redpanda | 17 | 4 | 81% | 7 | — | Approved |
| TansuThis page | 5 | 0 | 100% | 3 | — | — |
What people said
5 of the 6 comments that mention it, newest first. Each links to the original comment.
“Quite cool. 7000 records per second is usable for a lot of projects.”
“probably would not use it for anything too serious (yet!)”
“Great time to be a kafka alternative.”
“It at least provides Kafka API parity, and critically also gives users a pluggable backend”
“That solution would retain both the client implementations and tools (network effect). But it comes at extra complexity”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.