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Category

Best Open Source tools

Tools related to open source development. 466 tools, ranked by upvotes from the community.

The best Open Source tools on DevHunt, by developer upvotes: Daytona, Fluent CI and Automock.

466 tools: 406 free, 48 subscription, 12 one-time. 5 launched in the last 30 days. Most upvoted free: Daytona, Fluent CI and Automock.

Ranked by all-time upvotes · updated October 2026

Well-known Open Source tools

listed by 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 · $89/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. 11Pieces CopilotPieces Copilot · The AI coding sidekick that understands your workflow63
  13. +your ad here · $89/weekopen spot
  14. 12CompressCompress · 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
  15. 13Saas UISaas UI · React component library and starterkit for startups54
  16. 14Livecycle Livecycle · Collaborative preview environments for any stack and every workflow.52
  17. 15luoluoAIluoluoAI · One endpoint to access all models with bottom price.52
  18. 16FirecampFirecamp · OpenSource alternative to Postman 48
  19. 17BloggrifyBloggrify · From your Markdown files to a deployed blog in a few minutes47
  20. 18KeelKeel · The backend for your apps, the tools for your teams46
  21. 19Float UI v2Float UI v2 · Free Tailwind UI components in Html, React, Vue, Svelte.44
  22. 20Kokua.wikiKokua.wiki · Your Developer Hub for Tailored Resources and Seamless Innovation44
  23. 21AvoAvo · Avo is a very custom Content Management System for Ruby on Rails44
  24. 22DoubleCloudDoubleCloud · Your engineers will love working with data42
  25. 23Public APIsPublic APIs · A collaborative list of 1400+ public APIs for developers41
  26. 24DataLineDataLine · The simplest and fastest way to analyze and visualize your data41
  27. 25PipelexPipelex · Declarative language for repeatable AI workflows (MIT)40
  28. 26LatitudeLatitude · Open-source framework for embedded analytics39
  29. 27OpenObserveOpenObserve · Open source observability built for petabyte scale39
  30. 28WunderGraph WunderGraph · Master API Compostition38
  31. 29MetatypeMetatype · Build backend components with WASM, Typescript and Python, no matter where and how your (legacy) systems are!37
  32. 30FlowbiteFlowbite · Open-source UI components built with Tailwind CSS36
  33. 31LAN OrangutanLAN Orangutan · Try our new network scanner with full Tailscale support!35
  34. 32CyclopsCyclops · Framework for building Developer Platforms for Kubernetes33
  35. 33SelvedgeSelvedge · Your coding agent's memory for decisions and dead ends
  36. 34LAN SheriffLAN Sheriff · Nothing leaves town unnoticed 🤠 Every server your devices talk to, live on a world map. Self-hosted, open source, zero config.32
  37. 35Dify.AIDify.AI · Open-source platform for LLMOps, define your AI-native apps30
  38. 36HulyHuly · All-in-One Alternative to Linear/Jira, Slack, Notion, Motion and more29
  39. 37SpiceDBSpiceDB · Open Source, Google Zanzibar-inspired, fine-grained permissions management. https://play.authzed.com/schema27
  40. 38Domain DiggerDomain Digger · Full open-source toolkit for next-level domain analysis27
  41. 39TwentyTwenty · Modern Open Source CRM26
  42. 40BackupDrillBackupDrill · Supabase backups you can prove restore
  43. 41Open WearablesOpen Wearables · Unified health data from 200+ wearables24
  44. 42PapermarkPapermark · The Open-Source DocSend Alternative23
  45. 43Page UIPage UI · React/Next.js components to make a pretty landing page that converts23
  46. 44reablocksreablocks · Open-source enterprise React components based on Tailwind23
  47. 45Krux AI's RAGBuilderKrux AI's RAGBuilder · Build your production-grade RAG in minutes.22
  48. 46VauntVaunt · Vaunt your open source contributions21
  49. 47NestJS File Generator for VSCodeNestJS File Generator for VSCode · Streamline NestJS: Click, Generate, Elevate!21
  50. 48Branches Cleaner Github ActionBranches Cleaner Github Action · Branches Cleaner the Perfect Solution for Branches You No Longer Need!21
  51. 49SavvySavvy · Create and share runbooks directly from the terminal21
  52. 50Wunjo Community Edition (CE)Wunjo Community Edition (CE) · All-in-One AI Tools for Content Creation and Editing21

Open Source tools FAQ

What are the best Open Source tools?+

Ranked by developer upvotes on DevHunt, the top Open Source tools are Daytona (339 upvotes), Fluent CI (158 upvotes), Automock (148 upvotes), Node File Router (123 upvotes), Open SaaS (98 upvotes). DevHunt lists 466 Open Source tools in total.

Are there free Open Source tools?+

Yes. 406 of the 466 Open Source tools on DevHunt are free; the most upvoted are Daytona, Fluent CI, Automock. 48 are subscriptions and 12 are one-time purchases.

How are Open Source tools ranked on DevHunt?+

By the number of upvotes each tool got from developers on DevHunt, all-time. Voting needs a GitHub or Google sign-in, so the votes come from real accounts. New tools launch every week and can climb the list.

Are new Open Source tools still launching?+

Yes: 5 Open Source tools launched on DevHunt in the last 30 days. The most recent launched on October 6, 2026.

How do I add my Open Source tool to DevHunt?+

Sign in and submit it with its name, website, description and screenshots. Listing is free and every tool gets its own page; a paid launch lets you pick the launch week.