head to head · open source
etcd vs faststream
etcd has 52,270 GitHub stars, 10,506 forks, 351 open issues and last shipped today. faststream has 5,343 stars, 394 forks, 100 open issues and last shipped today. etcd leads on adoption by 878% (52,270 vs 5,343 stars). etcd is written in Go under Apache-2.0; faststream is written in Python under Apache-2.0. etcd has attracted 20% as many forks as stars, faststream 7%. faststream was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (distributed-systems), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| etcd | faststream | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 5.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 11K | ⑂ 394 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick etcd if
- You weight community size — 52K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick faststream if
- You want the faststream feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and faststream fits your workflow better
About etcd
etcd is an Apache 2.0 licensed, Go written distributed key value store that holds the most critical data of a distributed system in a Raft replicated log, aimed at the platform and infrastructure engineers who must keep that control plane data consistent and available.
About faststream
FastStream is an asynchronous Python framework for event driven services that acts as a thin client for Kafka, RabbitMQ, NATS, Redis and MQTT, giving Python developers full access to native broker features alongside generated AsyncAPI documentation, in memory tests and observability out of the box.
read the full faststream overview →
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Frequently asked questions
Is etcd or faststream more popular?
etcd has 52,270 GitHub stars and faststream has 5,343. etcd has the larger community by that measure.
Are etcd and faststream free?
Both are open source. etcd is licensed under Apache-2.0 and faststream under Apache-2.0. Neither carries a licence fee.
What is the difference between etcd and faststream?
etcd is written in Go and faststream in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, etcd or faststream?
Choose etcd if you want the larger community (52,270 stars) or its Apache-2.0 licence terms. Choose faststream if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.