s2n-quic by aws
An implementation of the IETF QUIC protocol
About s2n-quic
From the project's README at github.com/aws/s2n-quic. Lightly cleaned for readability; for the full source see the upstream repo.
is a Rust implementation of the IETF QUIC protocol, featuring: a simple, easy-to-use API. See an example of an s2n-quic echo server built with just a few API calls high configurability using providers for granular control of functionality extensive automated testing, including fuzz testing, integration testing, unit testing, snapshot testing, efficiency testing, performance benchmarking, interoperability testing and more integration with s2n-tls, AWS's simple, small, fast and secure TLS implementation, as well as rustls thorough compliance coverage tracking of normative language in relevant standards and much more, including CUBIC congestion controller support, packet pacing, Generic Segmentation Offload support, Path MTU discovery, and unique connection identifiers detached from the address
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 1.3k | github.com/aws/s2n-quic |
| GitHub forks | 161 | github.com/aws/s2n-quic |
| CRATES downloads (last month) | 98k | s2n-quic |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 5.9 years | since Jun 2020 |
| Last commit | 7 days ago | Apr 30, 2026 |
| Releases shipped | 84 | last: 14 days ago |
| Security policy | SECURITY.md | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Security advisories
GHSA-475v-pq2g-fp9g. Ready to self-host s2n-quic?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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