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.
seastar.io
● Identity checkedCode · 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.
- Category
- Code
- Free access
- Open-source framework; no commercial subscription is listed on the project homepage.
- API access
- Not confirmed
Is seastar.io right for you?
A good fit for
Systems developers building high-throughput servers who want a C++ framework rather than a hosted SaaS.
Before you choose
Seastar is a developer framework you run yourself; the site does not publish managed-service pricing.
High-performance C++ servers
Seastar presents itself as the first framework to combine shared-nothing architecture with futures-based programming for modern multi-core servers.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Framework focus | Homepage describes Seastar as an advanced open-source C++ framework for high-performance server applications. | Facts sourced | 2026-10-04 |
| Notable usage | Site notes Seastar is used in Scylla, a Cassandra-compatible NoSQL database. | Facts sourced | 2026-10-04 |
| Platforms | Documentation links indicate applications can run on Linux or OSv. | Facts sourced | 2026-10-04 |
Understand the total cost
seastar.io pricing & plans
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Frequently asked questions
What is seastar.io used for?
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.
Does seastar.io have a free plan?
Open-source framework; no commercial subscription is listed on the project homepage.. This record lists ongoing free access; check the plan limits before starting.
How much does seastar.io cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use seastar.io through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Seastar is a developer framework you run yourself; the site does not publish managed-service pricing.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.