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TL;DR - Bun
- Bun is an all-in-one JavaScript runtime and toolkit designed for speed
- It provides a bundler, test runner, and package manager that's dramatically faster than Node
- Free and open-source
Pricing: Free forever
Best for: Individuals & startups
Score: 85/100
Pros & Cons
Pros
- Extremely fast runtime
- Drop-in Node replacement
- Built-in bundler and test runner
- Native TypeScript support
- All-in-one toolchain
Cons
- Still maturing (some Node APIs missing)
- Windows support limited
- Less battle-tested
- Edge cases may break
- Smaller community
Key Features
Fast JavaScript runtimeBuilt-in bundlerPackage managerTest runnerTypeScript supportNode.js compatible
Pricing Plans
Free
Free
- MIT License
- Open source
- JavaScript runtime
- All-in-one toolkit
- npm compatible
About Bun
By Toolradar Team·
Bun is a JavaScript runtime built for speed. Node.js alternative that runs JavaScript and TypeScript faster, with built-in bundling, testing, and package management—one tool instead of npm, webpack, and jest.
The performance improvements are measurable, not marginal. Server-side code runs faster. Development workflows complete quicker. Compatibility with Node.js code means migration is often straightforward.
Developers frustrated with JavaScript tooling complexity and Node.js performance find Bun provides dramatic improvements in both areas.
How we evaluate tools →Source: bun.sh
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Bun FAQ
Is Bun free?
Yes, Bun is open source and free. MIT licensed. No paid version. Drop-in Node.js replacement.
What is Bun?
Bun is a fast JavaScript runtime, bundler, and package manager. Written in Zig for performance. Drop-in replacement for Node.js with native TypeScript support.
Bun vs Node.js?
Bun is faster at starting and running JavaScript. Node.js is more mature with bigger ecosystem. Bun for speed; Node.js for compatibility.
What does Bun include?
JavaScript runtime (like Node), package manager (like npm), bundler (like webpack), and test runner. All-in-one toolkit.
Source: bun.sh