rust-protobuf by stepancheg
Rust implementation of Google protocol buffers
About rust-protobuf
From the project's README at github.com/stepancheg/rust-protobuf. Lightly cleaned for readability; for the full source see the upstream repo.
<!-- https://travis-ci.org/stepancheg/rust-protobuf.png --> [![crates.io version][crates-io-shields]][crates-io] [![docs.rs][docs-rs-shields]][docs-rs] [![GitHub Workflow Status][actions-shields]][actions] [![License][license-shields]][license]
[crates-io]: https://crates.io/crates/protobuf [crates-io-shields]: https://img.shields.io/crates/v/protobuf.svg [docs-rs]: https://docs.rs/protobuf [docs-rs-shields]: https://img.shields.io/badge/docs.rs-rustdoc-green.svg [actions]: https://github.com/stepancheg/rust-protobuf/actions?query=workflow%3ACI [actions-shields]: https://img.shields.io/github/workflow/status/stepancheg/rust-protobuf/CI [license]: https://github.com/stepancheg/rust-protobuf/blob/master/LICENSE.txt [license-shields]: https://img.shields.io/crates/l/protobuf.svg End of life
This implementation is approaching end of life. Official protobuf implementation (not based on this implementation) is on the way, that will be released as protobuf=4 soon. Follow progress in protobuf repository. Original readme
Written in pure rust Generates rust code Has runtime library support for generated code (Coded{Input|Output}Stream impl) Supports both Protobuf versions 2 and 3 and more Where is documentation
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 | 3.0k | github.com/stepancheg/rust-protobuf |
| GitHub forks | 395 | github.com/stepancheg/rust-protobuf |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 12.8 years | since Jul 2013 |
| Last commit | 8 months ago | Sep 22, 2025 |
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
CVE-2025-53605. Ready to self-host rust-protobuf?
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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