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Top 16 Rust Formatter Projects
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biome
A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.
biome is a replacement for both ESlint and prettier. It's a pretty cool project but I've already spent considerable time setting up my ESlint so this is not a realistic option.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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> I assumed those would be in,
A new edition doesn't mean features are automatically stabilized.
I agree with these two specifically, it would be great to have them in stable. They're not yet though: https://github.com/rust-lang/rustfmt/issues/5083
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Project mention: dprint: A pluggable and configurable code formatting platform written in Rust | news.ycombinator.com | 2025-05-07
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qlty
💎 Code quality CLI for universal linting, auto-formatting, security scanning, and maintainability
Project mention: Show HN: Free local security checks for AI coding in VSCode, Cursor and Windsurf | news.ycombinator.com | 2025-06-18@jaimefjorge — Congrats on the launch!
How would you compare this to the Qlty CLI (https://github.com/qltysh/qlty)?
Do you plan to support CLI-based workflows for tools like Claude Code and linting?
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Lua supports most of this primarily through community packages. luarocks is the Lua package manager. Lua does not ship with a unit testing framework by default, but the community seems to have selected luaunit as the defacto testing library. LSP and linting support is provided through the lua-language-server and code formatting is handled through stylua. However, I can't find tooling similar to Python's bandit to perform security audits. I believe this to be an open area of Lua library development.
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TOML files should be formatted using taplo.
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Project mention: Exploring Typst, a new typesetting system similar to LaTeX | news.ycombinator.com | 2024-10-12
Writing Typst in Emacs is pretty easy with this setup.
https://codeberg.org/meow_king/typst-ts-mode/wiki/
https://github.com/Myriad-Dreamin/tinymist/tree/main/editors...
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I am working on tex-fmt, a new and extremely fast LaTeX formatter written in Rust. It can be installed through Cargo. It offers a command line tool for formatting/pretty-printing LaTeX source code, and runs hundreds of times faster than existing tools.
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Project mention: Show HN: Mdsf, a Codeblock Formatter for Markdown | news.ycombinator.com | 2024-11-08
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Project mention: Yet another configurable YAML formatter written in Rust | news.ycombinator.com | 2024-08-15
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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 Formatter discussion
Rust Formatter related posts
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dprint: A pluggable and configurable code formatting platform written in Rust
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Biomejs
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Rust 1.85.0 and Rust 2024
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Rust Is Eating JavaScript
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Biome.js, a toolchain to format and lint your web project
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Show HN: Mdsf, a Codeblock Formatter for Markdown
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Biomejs – one toolchain for your web project
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A note from our sponsor - SaaSHub
www.saashub.com | 21 Jun 2025
Index
What are some of the best open-source Formatter projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | biome | 19,384 |
| 2 | rustfmt | 6,325 |
| 3 | dprint | 3,469 |
| 4 | qlty | 2,659 |
| 5 | StyLua | 1,856 |
| 6 | taplo | 1,823 |
| 7 | tinymist | 1,665 |
| 8 | tex-fmt | 555 |
| 9 | prettier-plugin-rust | 192 |
| 10 | cbfmt | 175 |
| 11 | genemichaels | 89 |
| 12 | mdsf | 55 |
| 13 | kdlfmt | 55 |
| 14 | pretty_yaml | 34 |
| 15 | display_tree | 30 |
| 16 | tyupy | 8 |
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