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We're a community of millions of people who are building new skills and getting new jobs together. A 501(c)(3) public charity. Tweets by @abbeyrenn.

Just here on Earth... for now
Joined August 2013
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@freeCodeCamp
freeCodeCamp.org
2 hours
Smart home devices can be super helpful and convenient - but how do they actually work? Well, that's what Rez was wondering - so he decided to build his own, step by step. In this tutorial, he walks you through building a Smart HomeKit virtual light in Go to help you grasp the
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@ossia
Quincy Larson
3 hours
Today I announce: you can now learn Mandarin Chinese on freeCodeCamp! ๐Ÿ€„๏ธ๐Ÿ‰ ๐Ÿˆต Learn beginner concepts: tones, pinyin, Chinese character stroke order, set phrases ๐Ÿง‘โ€๐Ÿ’ผ Work as a dev alongside hand-drawn animated characters ๐Ÿ’ช The first of A1 Level is live with more coming in 2026
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@valent44355
Victor Renard
20 hours
Breaking News ! ๐ŸŽ… $NXXT Institutions Invested: Vanguard, BlackRock. Clients: Amazon, Kroger, over 700 clients Revenue: Nearly $100M YTD revenue. ~300% YoY growth. Price Target $5-6 Possible ROI: Over 250% !!! Santa loves breakouts. Traders love re-ratings. DYOR Ho Ho Hoโ€ฆ letโ€™s
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@freeCodeCamp
freeCodeCamp.org
6 hours
For today's coding challenge, you'll get a string that represents the subject line of an email. Your job is to determine how many times the email has been forwarded or replied to. Check it out on the freeCodeCamp mobile app.
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@freeCodeCamp
freeCodeCamp.org
10 hours
The freeCodeCamp community just published our B1 English for Developers certification. So if you want to improve your English skills, this one's for you. You'll learn some more complex grammar, how to describe past experiences, comparative and conditional structures, and lots
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@freeCodeCamp
freeCodeCamp.org
14 hours
Learning React can be tough - but building projects and solving coding challenges can help. And this hands-on course helps you do just that. In it, Bob walks you through 170+ coding challenges and 6 projects to teach you React fundamentals. https://t.co/EKvC0HM47k
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@ripster47
Ripster
1 day
$IWM $TNA Its Small Cap Christmas, strongest sector That is why many Small Mid Caps are running right now Mentioned Relative strength in earlier tweet Guidance @TENETTRADEGROUP
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@freeCodeCamp
freeCodeCamp.org
18 hours
freeCodeCamp just released our new Relational Databases certification. So if you've been wanting to really dive into how databases work, this one's for you. You'll learn about code editors, bash scripting, SQL, Git, and more - with projects, review pages, and quizzes along the
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@ossia
Quincy Larson
21 hours
freeCodeCamp just launched a FREE interactive curriculum where you can learn SQL + Relational Databases๐Ÿงฎ then earn a verified certification for LinkedIn. Check out all the topics this curriculum covers. You can work these in your local code editor, then take the final exam.
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@freeCodeCamp
freeCodeCamp.org
22 hours
A database is one of the key parts of many software systems. And over time, database design has changed and evolved, from the early B-Tree structures to more modern LSM Tree options. In this handbook, Ramesh shows you how to build an LSM Tree storage engine from scratch to help
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@ossia
Quincy Larson
1 day
Tell your friends who are learning English: freeCodeCamp level B1 English for Developers is now live!๐Ÿ•๏ธ ๐Ÿ’ป Work in tech. Talk with hand-drawn animated characters ๐Ÿง‘โ€๐Ÿ”ฌ 3,339 vocab + grammar lessons ๐Ÿ„โ€โ™€๏ธ Neutral California accent ๐Ÿ FREE verified certification after you pass
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@freeCodeCamp
freeCodeCamp.org
1 day
If you want to practice your full-stack development skills, this one's for you. In it, @dayvid_JS walks you through all the details of building a social learning platform. You'll use Next.js, Stream, and Supabase and set up real-time chat, a video conferencing feature, and
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@freeCodeCamp
freeCodeCamp.org
1 day
Hey everyone! ๐Ÿ‘‹ As freeCodeCamp closes out the year, we're looking for feedback to help guide our community's direction for 2026. Let us know what you loved (and what we can fix) in this quick survey: https://t.co/yVigGGA7rZ Thank you! โค๏ธ
Tweet card summary image
forms.nhcarrigan.com
A modern, open source spreadsheet that goes beyond the grid
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@freeCodeCamp
freeCodeCamp.org
1 day
For today's coding challenge, you get to go shopping (figuratively speaking, that is). You'll have an amount of money, and an array of items you want to buy - and you'll have to determine how many you can afford. Go solve it on the freeCodeCamp mobile app.
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@freeCodeCamp
freeCodeCamp.org
1 day
It's common to use single monolithic apps for frontend development. But there can be problems as projects grow. Here, @avmax19 dives into micro frontends, which break frontends into smaller apps for more flexibility. https://t.co/djnCESa1MQ
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@freeCodeCamp
freeCodeCamp.org
2 days
If you're curious about what it takes to build an AI agent, you'll learn how in this course. Lane teaches you how to use Python and the free Gemini API to code your own agent from scratch. You'll learn about the agentic loop, tool calling, and fixing buggy programs - and by the
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@freeCodeCamp
freeCodeCamp.org
2 days
AI tools are becoming more and more sophisticated - and as a dev, you can use them to become even more productive. And in this handbook, @raisedadead teaches you all about AI-assisted coding. He covers key tools to check out, using GitHub Copilot features, CLI-based agents like
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@freeCodeCamp
freeCodeCamp.org
2 days
If you want to start learning Mandarin Chinese, this course is for you. It teaches HSK Level 1, which certifies that you understand Mandarin basics. It covers Pinyin and tones, vocab and grammar, practical conversations you'd use in daily life, and more.
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@freeCodeCamp
freeCodeCamp.org
2 days
If you want to get into Machine Learning, a solid foundation in Linear Algebra is key. It'll help you understand how deep learning models, optimization algorithms, & computer vision work under the hood. In this course, you'll learn about matrices & vectors, determinants &
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@freeCodeCamp
freeCodeCamp.org
2 days
December 21st is the winter solstice for the northern hemisphere, and the summer solstice for the southern hemisphere. For today's coding challenge, you'll determine about how many daylight hours a particular location will have on the solstice. Check it out on the freeCodeCamp
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@freeCodeCamp
freeCodeCamp.org
2 days
If you want to become a great backend dev, you should build lots of projects. And there are 3 for you in this course: a blog generator, a Netflix clone, & a Spotify clone. You'll sharpen your backend skills using tools like Python, Django, & PostgreSQL. https://t.co/9ufIRCoTfp
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@freeCodeCamp
freeCodeCamp.org
3 days
LaTeX is a typesetting system you can use in technical, academic, & scientific writing. And you may have used website-based apps like Overleaf that let anyone read, write, & compile LatTeX-based scripts online. But here, @Fahim_FBA shows you how to run your LaTeX projects
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