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← Bun

Alternatives

Bun alternatives

Bun is a fast JavaScript runtime that combines a package manager, test runner, and bundler in a single binary. Here are 21 similar tools on DevHunt, starting with the closest matches.

Quick answerThe best free Bun alternative is Deno, for secure runtime for JavaScript/TypeScript.

At a glance

1 closest to Bun
ToolBest forPricingVotesComparison
DenoSecure runtime for JavaScript/TypeScriptFree, open source—vs Bun →

How to choose

  • For secure runtime for JavaScript/TypeScript: Deno (free, open source)
  • For all-in-one JS runtime & toolkit: Bun itself

Closest alternatives

compared with Bun
  • Deno▲ 0 · Free

    Deno is a separate runtime focused on security, while Bun integrates runtime, package manager, test runner and bundler in one binary. Bun vs Deno →

More Language tools

most upvoted on DevHunt
  1. 1DaytonaDaytona · Set up a development environment on any infrastructure, with a single command.339
  2. 2Fluent CIFluent CI · Write your CI/CD Pipelines in Typescript! No YAML158
  3. 3AutomockAutomock · Simpler Unit Tests for TypeScript148
  4. +your ad here · $99/weekopen spot
  5. 4Node File RouterNode File Router · A file-based routing for Node.js. Works with pure Node.js, Bun, Express.js, ws, and more! 💫 123
  6. 5Open SaaSOpen SaaS · An open-source, 100% free, production-grade, React & Node.js SaaS starter!98
  7. 6imgproxyimgproxy · Self-hosted solution for image processing needs95
  8. 7🪢 Langfuse🪢 Langfuse · Open Source Observability & Analytics for LLM Apps 🕵️‍♂️89
  9. 8FramerightFrameright · Control how your images behave in responsive environments and containers78
  10. 9ImplerImpler · Readymade CSV & Excel import widget 🚀 Save months building data import experience from scratch 💰77
  11. 10PocketenvPocketenv · the universal sandbox runtime for agents and humans73
  12. 11ChatermChaterm · Deploy, fix, and automate your infra in one terminal65
  13. +your ad here · $99/weekopen spot
  14. 12ServBayServBay · The next generation Web development environment63
  15. 13Pieces CopilotPieces Copilot · The AI coding sidekick that understands your workflow63
  16. 14TasklessTaskless · Turn your AGENTS.md into enforceable rules59
  17. 15CompressCompress · Compress Videos for Free. Forever. Say goodbye to bulky files! Crush video sizes by 90% with no quality loss, even offline. And the best part? It's free!55
  18. 16Saas UISaas UI · React component library and starterkit for startups54
  19. 17Livecycle Livecycle · Collaborative preview environments for any stack and every workflow.52
  20. 18luoluoAIluoluoAI · One endpoint to access all models with bottom price.52
  21. 19FirecampFirecamp · OpenSource alternative to Postman 48
  22. 20BloggrifyBloggrify · From your Markdown files to a deployed blog in a few minutes47

FAQ

What is the best alternative to Bun?+

The closest Bun alternative is Deno (secure runtime for JavaScript/TypeScript). It links to a side-by-side comparison with Bun.

What is the best free alternative to Bun?+

Deno (secure runtime for JavaScript/TypeScript) is the closest free alternative to Bun.

Is there an open source alternative to Bun?+

Yes. Deno (secure runtime for JavaScript/TypeScript) is open source.

What is Bun used for?+

Bun is a fast JavaScript runtime that combines a package manager, test runner, and bundler in a single binary. Common uses: speed up dependency installation in CI pipelines, develop and test Next.js or Remix apps without switching runtimes and create high-throughput WebSocket servers with low memory usage.

Is Bun free?+

Bun is open source and free to use.