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Top 23 Rust JavaScript Projects
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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> Development stalled? Here are the stats on commits to Bun in the past six months
You know you're putting up bullshit metrics, not much different than counting lines of code touched by commits.
If you were forthcoming and showed relevant metrics such as release cadence (i.e., what projects declare to be relevant units of work to be delivered to their userbase) you'd be faced with the realization that since march (bun v1.13.4) Bun only managed to put together 4 meager releases:
* Bun v1.14.0 - Aug 20 (first release in 5 whopping months?)
* Bun v1.14.1 - Sep 4
* Bun v1.14.2 - Sep 5 (emergency regression fix)
* Bun v1.14.3 - Oct 10 (just a few hours ago)
This means in the last half year, following the rewrite the project barely managed to put together 3 patch releases. In semver terms this means no feature work, mind you.
Is this what you call productive.
https://github.com/oven-sh/bun/releases
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You can also just replace nvm with fnm (https://github.com/Schniz/fnm). It’s a lot faster and generally works better too.
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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.
Project mention: OpenPledge: See Exactly Where Your Donation Goes (Blockchain + AI for Charity) | dev.to | 2026-09-06Built with Next.js 16 (React 19), Bun, Tailwind CSS v4, and shadcn/ui on Base UI — scaffolded with create-notils and linted with Biome.
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slint
Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.
I've been using Slint as UI toolkit for Rust and so far liked it, coming as I am from the Qt/QML world.
However, at the beginning I had to choose between Slint[1] and egui[2] (which this project uses)
[1]: https://slint.dev/
[2]: https://www.egui.rs/
Anyone has experience in both and is able to drop some thoughts on their strengths & weaknesses for mid-to-large projects?
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SaaSHub
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being worked on : https://github.com/oxc-project/oxc/discussions/21936
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Project mention: Motia: Unified back end framework with observability and state management | news.ycombinator.com | 2026-02-08
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Project mention: tsdown, the elegant bundler for libraries powered by Rolldown | dev.to | 2026-02-25
tsdown is the elegant bundler for libraries powered by Rolldown.
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perspective
A data visualization and analytics component, especially well-suited for large and/or streaming datasets.
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Project mention: Expo SDK 58 beta opens with iOS 27 support and a faster build pipeline | dev.to | 2026-09-29
Metro's cache keeps warm bundles fast, but cold bundles (a fresh project, or a changed module) spend most of their time in Babel. SDK 58 introduces "Noxcturnal," an experimental module transformer written in Rust on oxc and exposed to Node through napi-rs. Internally, per-module transform time was about 3x faster and end-to-end cold bundling about 2x faster. On the team's largest test app, a cold bundle of roughly 5,500 files went from 5.26 seconds with Babel to 2.46 seconds, with 443 files still falling back to Babel.
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extism
The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.
Technically WASI 0.1, but I used it (via Extism[0]) to implement a simple login library[1] that works in Rust, Go, and Node. Would be trivial to add other lanugages supported by Extism. Overall I loved the dev experience.
[0]: https://extism.org/
[1]: https://github.com/lastlogin-net/DecentAuth
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fallow
Codebase intelligence for TypeScript and JavaScript. Health, complexity hotspots, duplication, architecture boundaries, circular dependencies, design-system drift, and unused code, from one graph. CLI, GitHub Action, LSP, MCP, and VS Code. Rust, MIT licensed.
Project mention: Fallow: Deterministic codebase intelligence for TypeScript and JavaScript | news.ycombinator.com | 2026-06-22 -
agentos
Give agents an operating system as a library. Runs in your existing backend – no sandboxes, VMs, or SaaS. Powered by WebAssembly & V8 isolates. (by rivet-dev)
Their companion project AgentOS runs coding agents inside isolated Linux VMs with an in-process operating system kernel. Everything runs inside the kernel; nothing executes on the host. The pitch: faster, lighter, cheaper than mainstream sandbox providers.
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docs.grit.io/
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Congratulations on your release, Sam!
Are you still considering hardware demos, such as those on Raspberry Pi?
If anyone here also wants to try a different syntax, check out http://glicol.org/.
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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 JavaScript discussion
Rust JavaScript related posts
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Deno Is Joining Cloudflare
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Implementing a JSON Parser
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Cloudflare suma al equipo de Deno para continuar celld
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Bun check – a TypeScript type checker builtin to Bun
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The Lock Trick: How to Write Portable Agent Skills with Reproducible External Dependencies
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The End of Programming
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Bun 1.4
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Oct 2026
Index
What are some of the best open-source JavaScript projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | deno | 108,720 |
| 2 | bun | 96,164 |
| 3 | pnpm | 36,763 |
| 4 | swc | 34,213 |
| 5 | fnm | 27,024 |
| 6 | biome | 25,911 |
| 7 | slint | 24,126 |
| 8 | oxc | 22,940 |
| 9 | iii | 18,833 |
| 10 | rolldown | 13,961 |
| 11 | rspack | 12,934 |
| 12 | perspective | 11,273 |
| 13 | wasm-bindgen | 9,182 |
| 14 | napi-rs | 7,966 |
| 15 | boa | 7,587 |
| 16 | extism | 5,784 |
| 17 | fallow | 5,027 |
| 18 | agentos | 4,743 |
| 19 | gritql | 4,604 |
| 20 | moon | 4,128 |
| 21 | stdweb | 3,453 |
| 22 | glicol | 3,001 |
| 23 | jsr | 2,975 |
Sponsored
Monitoring that respects your time & budget
APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
www.appsignal.com