Top Open Source Communities you should not miss out in 2025πŸ”₯

This page summarizes the projects mentioned and recommended in the original post on dev.to

Nutrient - The #1 PDF SDK Library
Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.
nutrient.io
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CodeRabbit: AI Code Reviews for Developers
Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
coderabbit.ai
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  1. kestra

    :zap: Workflow Automation Platform. Orchestrate & Schedule code in any language, run anywhere, 500+ plugins. Alternative to Zapier, Rundeck, Camunda, Airflow...

    To join kestra and start building up, Checkout: Github : Kestra Slack : Kestra

  2. Nutrient

    Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.

    Nutrient logo
  3. pieces-os-client-sdk-for-typescript

    Use Local Language models with your own private and secure Copilot with 50+ powerful endpoints to enhance your next opensource idea to help fuel the community. Open Source by Pieces

    7. Pieces Community

  4. configu

    Open-source ConfigOps infrastructure βš™οΈ

    To join Configu and start building up, Checkout: Github : Configu

  5. meshery

    Meshery, the cloud native manager

    To join Meshery, Checkout: Website: Meshery's website Github: Meshery's Github

  6. mentoring

    πŸ‘©πŸΏβ€πŸŽ“πŸ‘¨πŸ½β€πŸŽ“πŸ‘©πŸ»β€πŸŽ“CNCF Mentoring + CommunityBridge + Summer of Code

    Join the vibrant community of hackers and innovators who are shaping the future of technology! Community : LFX Github : LFX

  7. crowd.dev

    LFX Community Management

    4. LFX

  8. opensource

    Main repo for tracking open source projects, issues, conversations, and links to each open source project.

    Join the Pieces Community and meet like minded individuals like you. To get started with getpieces: Discord: GetPieces Github: GetPieces

  9. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

    CodeRabbit logo
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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Did you know that TypeScript is
the 1st most popular programming language
based on number of references?