--- title: freeCodeCamp posts | daily.dev description: freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech. canonical: https://daily.dev/sources/freecodecamp twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/freecodecamp og:type: website og:site_name: daily.dev og:title: freeCodeCamp posts | daily.dev og:description: freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech. og:image: https://api.daily.dev/og/sources/freecodecamp.png og:image:width: 1200 og:image:height: 630 ---  # freeCodeCamp Follow FollowBlock freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech. Related tags: [#typescript](/tags/typescript)[ #react](/tags/react)[ #mcp](/tags/mcp)[ #javascript](/tags/javascript)[ #claude-code](/tags/claude-code)[ #github](/tags/github) [Posts about typescript](/tags/typescript)[Posts about react](/tags/react)[Posts about mcp](/tags/mcp)[Posts about javascript](/tags/javascript)[Posts about claude-code](/tags/claude-code)[Posts about github](/tags/github) [What Claude Code Can and Can't Do with Full Access Inside a Docker Sandbox](/posts/what-claude-code-can-and-can-t-do-with-full-access-inside-a-docker-sandbox-nga024w0e)[How to Encrypt PII in Data Pipelines While Keeping It Searchable](/posts/how-to-encrypt-pii-in-data-pipelines-while-keeping-it-searchable-rswqvqjnc)[API Authentication & Authorization: An Engineering Deep Dive into Mechanisms, Trade-offs, and Failure Modes](/posts/api-authentication-authorization-an-engineering-deep-dive-into-mechanisms-trade-offs-and-failur-tn7ivgfru)[How AI Is Changing Email Deliverability: A Technical Guide to Sender Reputation and Inbox Placement](/posts/how-ai-is-changing-email-deliverability-a-technical-guide-to-sender-reputation-and-inbox-placement-dalbnvmnm)[How to Use NestJS Observe: An Observability Handbook for Devs](/posts/how-to-use-nestjs-observe-an-observability-handbook-for-devs-flfhkypu6)[The Engineering Anatomy of API Vulnerabilities: A Deep Dive into the OWASP API Security Top 10](/posts/the-engineering-anatomy-of-api-vulnerabilities-a-deep-dive-into-the-owasp-api-security-top-10-0kmcwurz4)[How to Submit a Quarterly Update to HMRC's Making Tax Digital API](/posts/how-to-submit-a-quarterly-update-to-hmrc-s-making-tax-digital-api-gi7yyq0kp)[Learn Modern Kotlin](/posts/learn-modern-kotlin-emjhfvz0q)[How to Build Your Own AI App Builder Like Lovable with Next.js, AWS and Sandboxes](/posts/how-to-build-your-own-ai-app-builder-like-lovable-with-next-js-aws-and-sandboxes-qpxpcvthb)[How to Add shadcn Charts to a Next.js App Without Writing Recharts Boilerplate](/posts/how-to-add-shadcn-charts-to-a-next-js-app-without-writing-recharts-boilerplate-slearaxz3) ## Most upvoted posts from freeCodeCamp ## Best discussed posts from freeCodeCamp ## All posts from freeCodeCamp ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/sources/freecodecamp#organization","name":"freeCodeCamp","url":"https://daily.dev/sources/freecodecamp","logo":{"@type":"ImageObject","url":"https://media.daily.dev/image/upload/t_logo,f_auto/v1628412854/logos/freecodecamp"},"description":"freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. 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