coap-rs by Covertness
A Constrained Application Protocol(CoAP) library implemented in Rust.
About coap-rs
From the project's README at github.com/Covertness/coap-rs. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://circleci.com/gh/Covertness/coap-rs) [](https://ci.appveyor.com/project/Covertness/coap-rs)
[](https://coveralls.io/github/Covertness/coap-rs?branch=master) [](./LICENSE)
A fast and stable Constrained Application Protocol(CoAP) library implemented in Rust.
Features: CoAP core protocol RFC 7252 CoAP Observe option RFC 7641 Too Many Requests Response Code RFC 8516 Block-Wise Transfers RFC 7959 DTLS support via webrtc-rs Option to provide custom transports for client and server
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 | 231 | github.com/Covertness/coap-rs |
| GitHub forks | 62 | github.com/Covertness/coap-rs |
| CRATES downloads (last month) | 8 | coap-rs |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 10.8 years | since Jul 2015 |
| Last commit | 3 days ago | May 4, 2026 |
| Releases shipped | 6 | last: 3.9 years ago |
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 → |
Ready to self-host coap-rs?
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.
Similar open-source projects
Projects in our directory that replace the same SaaS or share topics with coap-rs.