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Top 7 Rust Configuration Management Projects
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config-rs
⚙️ Layered configuration system for Rust applications (with strong support for 12-factor applications).
Project mention: A Practical Guide to Layered Configuration for Modern JavaScript Applications | dev.to | 2025-06-30It was heavily inspired by the official rust library for dealing with this problem: config-rs.
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Project mention: A cross-platform multi-target dotfiles manager written in Rust | news.ycombinator.com | 2025-03-01
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twelf
Twelf is a configuration solution for Rust including 12-Factor support. It is designed with layers in order to configure different sources and formats to build your configuration. The main goal is to be very simple using a proc macro.
Project mention: Rust library for building no-boilerplate CLI apps | news.ycombinator.com | 2024-12-03Looks nice! I like the approach.
My holy grail will still be landing on a good multi-layer configuration setup for Rust CLIs. Ideally CLI flags merged over top of environment variables merged over top of configuration files.
Twelf [0] was close in unifying things, but I had some friction. Lately I've been using Schematic [1] to handle the environment + config layers, and then just a manual implementation of Clap arguments layered on top.
[0] https://github.com/bnjjj/twelf.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Configuration Management discussion
Rust Configuration Management related posts
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A cross-platform multi-target dotfiles manager written in Rust
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Easy GitHub CLI Extensions with Nix
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Show HN: A new open-source automation tool as an alternative to Ansible/Salt
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Comtrya: Configuration Management for Localhost
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Announcing Nickel 1.0, a configuration language written in (and usable from) Rust
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On June 12th, many subreddits will be going dark to protest the killing of 3rd Party Apps! All FOSS apps are 3rd Party Apps. Will /r/linux join the strike?
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Fulfilling a reader's request for my “dot files”
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A note from our sponsor - SaaSHub
www.saashub.com | 1 Sep 2025
Index
What are some of the best open-source Configuration Management projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | config-rs | 2,982 |
| 2 | habitat | 2,660 |
| 3 | kcl | 2,135 |
| 4 | comtrya | 571 |
| 5 | twelf | 121 |
| 6 | tiron | 84 |
| 7 | Nazm | 15 |
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