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60 best free developer tools web apps in 2026

Free developer tools apps you can open in a browser tab, best rated first. Every one is free to use or has a free plan. RareUI, code.live and Amicro are where most people start.

100 apps · 60 of the 60 here free or with a free plan · Updated October 2026

100 free developer tools apps

Free and Free plan apps, best rated first.

  1. 1

    RareUI

    Rare UI is a free, open-source collection of rare animated React components. Browse them in action below and install any component with the shadcn CLI.

    Developer Tools4.7Free

    Open
  2. 2

    code.live

    Free browser-based developer tools — JSON, regex, JWT, SQL, CSS, DevOps, and security utilities. No signup required.

    Developer Tools5.0Free

    Open
  3. 3

    Amicro

    Add beautiful, lightweight, micro-interactions and transition components to your React website with a Shadcn CLI .

    Developer Tools5.0Free

    Open
  4. 4

    Gitstar

    Turn your GitHub repository stars into a stunning, shareable video. Visualize your open-source growth with Gitstar.

    Developer ToolsNewFree

    Open
  5. 5

    OrbkitVerified

    Orbkit is a React component library of WebGL shader orbs for AI and voice agent states, installed as local code through the shadcn registry.

    Developer ToolsNewFree

    Open
  6. 6

    GitHub Stars Video

    Generate an animation for your GitHub stars.

    Developer ToolsNewFree

    Open
  7. 7

    Claude Resets

    Track Claude Code usage-limit resets as they're announced

    Developer ToolsNewFree

    Open
  8. 8

    ascii.rest

    217 animated ascii pieces for web pages, in TypeScript with no dependencies: for React, Next.js, Astro, or one HTML tag. MIT licensed.

    Developer ToolsNewFree

    Open
  9. 9

    Retrace

    Record, replay, fork & share AI agent executions. See every LLM call, tool invocation, and error your agent makes — then debug and iterate in seconds.

    Developer ToolsNewFreemium

    Open
  10. 10

    GitLab

    Git hosting, issues and CI on one site.

    Developer ToolsNewFreemium

    Open
  11. 11

    Fly.io

    Run containers close to your users.

    Developer ToolsNewFreemium

    Open
  12. 12

    Firebase

    Google's backend for auth, data and hosting.

    Developer ToolsNewFreemium

    Open
  13. 13

    Upstash

    Serverless Redis, Kafka and a job queue.

    Developer ToolsNewFreemium

    Open
  14. 14

    Inngest

    Background jobs and workflows, written as functions.

    Developer ToolsNewFreemium

    Open
  15. 15

    Trigger.dev

    Long-running jobs in normal TypeScript.

    Developer ToolsNewFreemium

    Open
  16. 16

    Pipedream

    Automations where a step can be real code.

    Developer ToolsNewFreemium

    Open
  17. 17

    Retool

    Build internal tools on top of your database.

    Developer ToolsNewFreemium

    Open
  18. 18

    Auth0

    Login, signup and SSO you don't build yourself.

    Developer ToolsNewFreemium

    Open
  19. 19

    npm

    The registry for JavaScript packages.

    Developer ToolsNewFree

    Open
  20. 20

    Docker Hub

    Find and host container images.

    Developer ToolsNewFreemium

    Open
  21. 21

    VS Code

    The VS Code editor, opened in a browser tab.

    Developer ToolsNewFree

    Open
  22. 22

    JSFiddle

    A small playground for HTML, CSS and JavaScript.

    Developer ToolsNewFree

    Open
  23. 23

    GitBook

    A hosted place to write product and API docs.

    Developer ToolsNewFreemium

    Open
  24. 24

    Mintlify

    Documentation sites that stay in sync with the repo.

    Developer ToolsNewFreemium

    Open
  25. 25

    Liveblocks

    Add multiplayer cursors, presence and comments.

    Developer ToolsNewFreemium

    Open
  26. 26

    Heroku

    Push a repo and get a running app.

    Developer ToolsNewFreemium

    Open
  27. 27

    WorkOS

    Enterprise SSO, directory sync and audit logs.

    Developer ToolsNewFreemium

    Open
  28. 28

    Pusher

    Send realtime events to browsers over WebSockets.

    Developer ToolsNewFreemium

    Open
  29. 29

    Appwrite

    An open-source backend: auth, database and storage.

    Developer ToolsNewFreemium

    Open
  30. 30

    Turso

    Hosted SQLite, replicated close to your users.

    Developer ToolsNewFreemium

    Open
  31. 31

    Loops

    Product email for SaaS: onboarding and a newsletter.

    Developer ToolsNewFreemium

    Open
  32. 32

    Mixpanel

    Product analytics: funnels, retention and events.

    Developer ToolsNewFreemium

    Open
  33. 33

    Amplitude

    Analytics for how people move through a product.

    Developer ToolsNewFreemium

    Open
  34. 34

    Hotjar

    Heatmaps and recordings of real sessions.

    Developer ToolsNewFreemium

    Open
  35. 35

    Microsoft Clarity

    Free heatmaps and session recordings.

    Developer ToolsNewFree

    Open
  36. 36

    Reicon

    Reicon — Free open-source SVG icons. 2,700+ handcrafted icons for React, Angular, Vue, Svelte, Flutter, Figma & more.

    Developer ToolsNewFree

    Open
  37. 37

    Shadcn Labs

    Open-source shadcn registries and tools for React.

    Developer ToolsNewFree

    Open
  38. 38

    Motion

    The animation library for React, JS, Vue and the AI Kit.

    Developer ToolsNewFreemium

    Open
  39. 39

    getdesign.md

    Design-system writeups you can drop into a coding agent.

    Developer ToolsNewFree

    Open
  40. 40

    Design Engineer Tools

    A list of tools for web-focused design engineers.

    Developer ToolsNewFree

    Open
  41. 41

    Base UI

    Unstyled React primitives for accessible apps.

    Developer ToolsNewFree

    Open
  42. 42

    Silk

    A swipeable, accessible modal sheet for React.

    Developer ToolsNewFreemium

    Open
  43. 43

    Tiptap

    A headless editor toolkit for docs-style apps.

    Developer ToolsNewFreemium

    Open
  44. 44

    Cursor Directory

    Cursor rules and agents, grouped by stack.

    Developer ToolsNewFree

    Open
  45. 45

    gluestack

    Universal UI components for React and React Native.

    Developer ToolsNewFree

    Open
  46. 46

    UploadThing

    File uploads for Next.js and the modern web stack.

    Developer ToolsNewFreemium

    Open
  47. 47

    Skecher UI

    Copy polished React motion components with live previews, source code, dependencies, and shadcn registry commands.

    Developer ToolsNewFree

    Open
  48. 48

    ShadcnSpace

    A collection of beautifully designed Shadcn UI blocks, components, templates, and dashboard layouts for React.

    Developer ToolsNewFreemium

    Open
  49. 49

    Samva

    Email API for developers. Send transactional email and campaigns, receive replies in your app, and build templates with an AI email editor.

    Developer ToolsNewFreemium

    Open
  50. 50

    Colabrix

    Colabrix is project management for growing teams. Start with one board of issues, then turn on stories, sprints and milestones when you're ready.

    Developer ToolsNewFreemium

    Open
  51. 51

    LaunchRanked

    Launch your product free, get a followed link after review, then grow on Google and in AI answers with the playbook behind our own 223k impressions.

    Developer ToolsNewFree

    Open
  52. 52

    Versely

    Create viral social media content in seconds with AI. Generate images, videos, voiceovers, lipsync, music, and full animated stories — then publish to 9…

    Developer ToolsNewFree

    Open
  53. 53

    mdxcn

    markdown-friendly react components for mdx. callouts, steps, terminals, charts, and timelines that sit between paragraphs — copied into your project with the…

    Developer ToolsNewFree

    Open
  54. 54

    EasyUI

    Production-ready animated UI components built with React, Tailwind CSS, and Framer Motion for modern web apps.

    Developer ToolsNewFree

    Open
  55. 55

    Stargazer

    Turn your GitHub stargazers into living art. Generate high-definition milestone cards and 60fps MP4 videos directly in your browser.

    Developer ToolsNewFree

    Open
  56. 56

    FeedbackBasket

    Collect user feedback from websites and native iOS apps with a feedback widget and open-source Swift SDK. Capture context, manage replies, and triage faster.

    Developer ToolsNewFreemium

    Open
  57. 57

    pdfcn

    A collection of beautifully designed, accessible, and customizable PDF components. Built on Takumi and Forme. Works with shadcn/ui.

    Developer ToolsNewFree

    Open
  58. 58

    Arc

    Arc is a library of React components and blocks with motion built in. Install them with the shadcn CLI, or let your AI tool build from the docs and MCP.

    Developer ToolsNewFree

    Open
  59. 59

    Designeer

    Bringing the best of the internet together

    Developer ToolsNewFree

    Open
  60. 60

    Cursor

    A code editor built around an AI agent that reads your whole project.

    Developer ToolsNewFreemium

    Open

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