Free
Free
Open-source framework; no commercial subscription is listed on the project homepage.
- Access
- Open-source framework; no commercial subscription is listed on the project homepage.
Code · Vendor site 2026-10-04
Seastar is an open-source C++ framework for high-performance server applications on modern hardware, emphasizing shared-nothing design, futures, and message passing. It powers projects such as ScyllaDB and targets developers building low-latency networked services.
Understand the total cost
Free
Free
Open-source framework; no commercial subscription is listed on the project homepage.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. seastar.io has an ongoing free plan. Open-source framework; no commercial subscription is listed on the project homepage.
seastar.io is listed as free. No paid plan with a published price was found.
We could not confirm API access for seastar.io.