AI developer tools with a free plan

Figure and bar: visits/mo, estimate · year: online since

1. #2G

   GitHub

   Hosts Git repositories with pull requests, code review, issue tracking and Actions pipelines for building, testing and deploying code.

   42M
   From $4/user/mo
   2007
2. #3C

   CloudflareMCP · open

   Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.

   4.9M
   Active
   From $20/mo
   2009
3. #4B

   Brandfetch

   Provides API access to a database of brand logos, colors, and assets for integration into applications.

   1.2M
   Active
   From $99/mo
4. #5T

   Twilio

   Sends and receives SMS, email, and voice messages through APIs and manages customer conversations with AI.

   1.1M
   Active
   Free plan
   2008
5. #7H

   Higgsfield API

   Provides API access to 50+ generative models for image, video, and audio creation at competitive pricing.

   791k
   Active
   From $15/mo
   2023
6. #8A

   AI-Native Cloud

   Rents cloud virtual machines (Droplets), managed Kubernetes, databases, object storage and app hosting, plus GPU instances and model inference endpoints.

   603k
   Active
   From $4/mo
   2011
7. #10J

   JetBrains

   Integrated development environments for Java, Python, JavaScript, C++, .NET and Kotlin with code analysis and debugging.

   492k
   Active
   From $69/user/yr
   2002
8. #14B

   Browserbase

   Provides browser automation and web interaction APIs for agents to navigate, extract data, and complete tasks on websites.

   318k
   Active
   From $20/mo
9. #15C

   Cursor

   AI coding agent that writes code, runs tasks, and reviews pull requests autonomously or with human direction.

   314k
   Active
   From $8/mo
   2023
10. #16U

    UptimeRobotMCP · sign-in

    Checks websites, APIs, ports and cron jobs on a schedule and sends alerts when they fail or slow down.

    283k
    Active
    From $12/mo
11. #19B

    Base44

    Generates fully functional apps, websites, and AI agents from plain language descriptions without coding.

    253k
    Active
    From $16/mo
    2024
12. #21O

    OneUptime

    Monitors infrastructure and applications, detects incidents in seconds, pages on-call engineers, and opens fix pull requests.

    221k
    Active
    From $22/mo
    2020
13. #24P

    PostmanMCP · sign-in

    Designs, tests, and manages APIs with integrated documentation, mocking, monitoring, and workflow automation.

    202k
    Active
    From $9/mo
    2013
14. #25L

    Lovable

    Builds production-grade web and mobile applications from natural language descriptions.

    198k
    Active
    Free plan
    2023
15. #26O

    Ollama

    Runs open-source language models locally or in cloud, with API access for coding agents.

    193k
    Active
    From $20/mo
    2023
16. #27D

    DailyMCP · sign-in

    Ranks developer news and community discussions into one feed that replaces the browser's new tab page.

    174k
    Active
    From $14.99/mo
17. #28A

    AlchemyMCP · sign-in

    Provides node RPC endpoints, indexed blockchain data APIs, and wallet and transaction APIs across about 100 chains.

    174k
    Active
    From $0.53 per use
    2017
18. #29W

    Warp

    Terminal app with built-in coding agents that run commands, edit code and review changes, plus cloud agents triggered from team workflows.

    162k
    Active
    From $20/mo
19. #30F

    FusionMCP · sign-in

    Collaborative platform for teams to build software and web experiences with AI agents and visual editing.

    158k
    Active
    From $25/user/mo
20. #31K

    KeployMCP · open

    Captures production traffic to generate tests and mocks, replaying them to detect regressions.

    153k
    Active
    From $19/user/mo
    2021
21. #32T

    TinyFishMCP · sign-in

    Provides web search, content fetching, browser automation, and agent APIs for AI applications to access and interact with live web content.

    150k
    Active
    From $0.02 per use
22. #33E

    Expo

    Build and deploy native iOS and Android apps from a single React codebase with cloud infrastructure and over-the-air updates.

    146k
    Active
    From $19/mo
    2015
23. #35W

    websim.ai

    Create and share browser-based games and interactive applications without coding.

    143k
    Active
    Free
24. #36V

    VercelMCP · sign-in

    Deploys web front-ends and serverless functions from Git, with preview builds, a global CDN and an AI model gateway; maintains Next.js.

    141k
    Active
    From $20/mo
    2015
25. #37C

    CircleCIMCP · sign-in

    Runs CI/CD pipelines defined in YAML, building, testing and deploying code on every commit across cloud or self-hosted runners.

    136k
    Active
    From $15/mo
    2011
26. #38V

    Voice, Video & Chat APIs for Real-Time Interaction

    Provides SDKs and APIs for embedding voice, video, chat, and live streaming in applications.

    135k
    Active
    From $0.39 per use
    2015
27. #41M

    MindStudio

    Builds AI agents and applications from natural language descriptions without coding.

    119k
    Active
    From $20/mo
28. #42O

    OpenCode

    Open source coding agent that generates code in terminal, IDE, or desktop app with support for multiple LLM providers.

    108k
    Active
    Open source
    2025
29. #43S

    ScanditMCP · sign-in

    Scans barcodes, labels and ID documents through a phone or browser camera using on-device vision, feeding store inventory and self-checkout data.

    106k
    Active
    Free plan
    2009
30. #47L

    LangChain

    Provides the open-source LangChain and LangGraph frameworks for building LLM applications and agents, plus LangSmith for tracing, evaluating and deploying them.

    92.2k
    Active
    From $39/user/mo
    2023
31. #48C

    Continue (Mission Control)

    Open-source coding agent that assists developers with code generation and refactoring tasks.

    91.9k
    Active
    Open source
32. #49G

    Graphite

    Lets developers create and review stacked pull requests on GitHub, with a CLI, a review inbox, a merge queue and automated code review comments.

    89.6k
    Active
    From $20/user/mo
33. #53J

    JamMCP · sign-in

    Captures bug reports from the browser in one click, attaching a screen recording, console logs, network requests and device details for developers.

    77.6k
    From $14/user/mo
    2020
34. #54U

    UnblockedMCP · sign-in

    Provides context to AI coding agents across code, conversations, issues, and production systems to reduce rework and human intervention.

    77.3k
    Active
    From $29/user/mo
    2021
35. #55N

    New RelicMCP · sign-in

    Collects application, infrastructure, log and digital experience telemetry, then flags anomalies, cloud costs and security risks for engineers to investigate.

    76.1k
    Active
    From $10/user/mo
    2008
36. #56S

    Sonar

    Analyzes source code statically in IDEs, CI pipelines and pull requests, reporting bugs, code smells, vulnerabilities and coverage against quality gates.

    72.4k
    Active
    From $34/mo
    2007
37. #57Q

    QA Wolf Autopilot

    Generates test cases from app exploration and runs web and mobile tests in parallel.

    71.8k
    Active
    Free plan
38. #58S

    Snyk

    Scans source code, open source dependencies, container images and infrastructure-as-code for vulnerabilities, and suggests fixes in the IDE, CLI and pull requests.

    63.1k
    Active
    From $25/mo
    2015
39. #59C

    CypressMCP · sign-in

    Runs browser and component tests for web apps inside a real browser, with time-travel debugging and a hosted Cloud dashboard for CI results.

    61.2k
    Active
    From $67/mo
    2014
40. #61R

    RailwayMCP · sign-in

    Deploys repositories and Dockerfiles as cloud services, auto-detecting build settings, with per-PR preview environments, scaling, and built-in logs and metrics.

    60.5k
    Active
    From $5/mo
    2020
41. #63I

    Incident IO

    Coordinates incident response, investigation, and status page updates across teams and systems.

    58.3k
    Active
    From $19/user/mo
42. #64B

    Blink

    Provisions self-hosted cloud development workspaces from Terraform templates on your own infrastructure, with access controls, and can run coding agents in them.

    50.5k
    Active
    Free plan
    2017
43. #65L

    LinearMCP · sign-in

    Tracks software issues, cycles (sprints), projects and roadmaps for product teams, with Git integration that links pull requests to issues.

    50k
    Active
    From $10/user/mo
    2019
44. #69F

    FusionAuthMCP · open

    Hosts login, single sign-on, multi-factor and passwordless authentication, plus user management and role-based access, self-hosted or on FusionAuth's cloud.

    42.2k
    Active
    From $162/mo
45. #71G

    GoodBarber

    Builds native iOS and Android apps without coding, with hosting and app store publishing included.

    39.2k
    Active
    From ≈ $34/mo
    2011
46. #72E

    Emergent

    Generates full-stack web and mobile applications from natural language descriptions.

    38.9k
    Active
    From $17/mo
47. #73R

    Retool

    Builds internal tools by placing UI components on databases and APIs, with JavaScript queries, workflows and self-hosting.

    38.5k
    Active
    From $10/user/mo
    2017
48. #75B

    Bugster

    Generates and runs browser tests from plain English descriptions using AI agents that interact with deployed applications.

    37.8k
    Active
    Free plan
    2024