Best Bun Alternatives in 2026
Looking for alternatives to Bun? Here are the top options compared.
Why Consider Bun Alternatives?
- β οΈStill maturing β some edge cases in compatibility
- β οΈLess focus on security model than Deno
- β οΈLinux and macOS only (Windows support improving)
- β οΈSmaller team than Deno or Node
Top 2 Alternatives to Bun
#1
Node.js
Node.js is the original and most widely used JavaScript runtime built on Chrome's V8 engine. It revolutionized server-side JavaScript and powers millions of applications worldwide.
Free
Free tier availableβ Pros
- β’ Most mature and battle-tested runtime
- β’ Massive ecosystem (2M+ npm packages)
- β’ Universal deployment support
β Cons
- β’ Slower than Bun for many operations
- β’ No native TypeScript support
- β’ Requires separate tools (bundler, test runner)
#2
Deno
Deno is a secure JavaScript and TypeScript runtime created by Ryan Dahl (Node.js creator). It features built-in TypeScript support, a secure-by-default permission system, and web-standard APIs.
Free
Free tier availableβ Pros
- β’ Secure by default with explicit permissions
- β’ Native TypeScript support without configuration
- β’ Web-standard APIs (fetch, Web Streams, etc.)
β Cons
- β’ Smaller ecosystem than Node.js
- β’ Some npm packages still have compatibility issues
- β’ Adoption slower than expected
Quick Comparison
| Tool | Price | Free Tier | Best For |
|---|---|---|---|
| Bun | Free | β | JavaScript Runtimes |
| Node.js | Free | β | JavaScript Runtimes |
| Deno | Free | β | JavaScript Runtimes |