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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 .
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Harvard's CS50 is one of the most popular intro computer science courses in the world.
And freeCodeCamp has published the entire 25-hour course on our YouTube channel.
You'll learn everything from abstraction + algorithms to data structures + security.
24
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Google recently released a new certificate in Cybersecurity.
You don't need any experience to begin, since it was designed for beginners.
In this guide,
@EamonnCottrell
explains what the Cybersecurity Professional Certificate is & how to get started.
22
491
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John Cena now follows freeCodeCamp here on Twitter. 🏕️
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2K
DevOps has some of the highest paying jobs in the tech industry these days.
And even if you're not working as a DevOps, knowing how it all works can help you as a developer, too.
Get started with key DevOps engineering concepts in this beginner course.
38
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Over the last couple months, OpenAI's new ChatGPT tool has been making waves.
It's an AI that can respond to basically any query & compose text.
In this course, you'll learn how ChatGPT works and then build your own version using the OpenAI API + React.
26
376
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You can learn the basics of data analytics in just 30 days.
How? Well,
@davidbclinton
created this intensive and interactive course for you.
You'll learn how to install Python Jupyter Notebook, find data from public APIs, and visualize datasets.
11
437
2K
React Native helps you build mobile apps that work smoothly on both iOS and Android.
And you can learn how to use it by building your own weather app with real-time data integration and a sleek UI.
Find the free full-length course on the freeCodeCamp YouTube channel. 🏕️
12
274
2K
Harvard's CS50 is one of the most popular intro computer science courses in the world.
And freeCodeCamp just published the entire 25-hour course on our YouTube channel.
You'll learn everything from abstraction + algorithms to data structures + security.
30
392
2K
If you want to improve your Python skills, you should build some cool projects.
And freeCodeCamp just published a beginner-friendly course that goes through 20 fun things to build.
You'll create a dice rolling simulator, leap year checker, and more.
24
403
2K
Harvard's CS50 is one of the most popular intro computer science courses in the world.
And freeCodeCamp just published the whole 25-hour course on our YouTube channel.
You'll learn everything from abstraction + algorithms to data structures + security.
20
383
2K
If you want to learn AWS Cloud,
@andrewbrown
created a 107-hour bootcamp for you.
It'll help you level up your cloud computing skills by building lots of projects.
You'll learn about containers, authentication, Postgres, caching, CI/CD, and much more.
19
373
2K
Django is a popular Python web framework you can use to build scalable & robust apps.
And this course teaches you how to use it by building an online marketplace.
Your app will have have features like authentication, a dashboard, and much more.
14
304
2K
Happy 9th birthday to the freeCodeCamp Community! 🎉
Here's to many more years of creating free programming, math, & computer science courses for people around the globe.
If you're not already donating to support our mission, we encourage you to start:
56
185
2K
If you're looking for a developer job, you should have a great portfolio site.
This lets potential employers view your projects and skills laid out in an accessible way.
In this course you'll create a portfolio website using HTML, CSS, & JavaScript.
21
375
1K
Full stack engineers are in high demand - they code both the front & back end of applications.
There are many skills you'll need to know to call yourself "full stack".
In this career guide, Dionysia explains what it takes to be a full stack engineer.
17
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Linux is a popular operating system among SysAdmins & devs. And
@beaucarnes
created an in-depth beginner course for you.
In it, he goes through the major distro families & gives you an in-depth overview of how to use Linux.
Find the course on freeCodeCamp's YouTube channel.
9
286
1K
Many universities, companies, & organizations offer free online courses.
But only some of them offer free certificates - and
@dhawalhshah
collected them for you here.
In this guide, he groups these certs by organization so you can choose your next one.
19
497
1K
Power BI is a business analytics tool that can help you gain insights from your data.
And when you use it with Python, a bigger world of exploratory data analysis opens up to you.
In this tutorial, Yannawut shows you how to use Python in Power BI.
17
334
1K
Docker & Kubernetes are tools that can help you scale your applications.
Docker lets you run apps in containers, and Kubernetes helps you manage those containers.
In this hands-on course, you'll learn about microservices, containers, pods, & lots more.
17
295
1K
Pointers can be a daunting concept in C programming – but they're key to understanding the language.
Essentially, they "point" to the location of data in memory. And this course teaches you how they work.
Find it on freeCodeCamp's YouTube channel and get ready to grok pointers.
12
224
1K
Kotlin is the most popular programming language used to build Android apps.
And you can use it for any other kind of development, too.
In this 14 hour course, you'll learn Kotlin starting from the basics & you'll build practical projects along the way.
21
288
1K
Being able to build front-end applications with HTML, CSS, JavaScript, and React is a great skill to have.
And in this project-based course, you'll use these tools to build a Tic Tac Toe game and get some good practice.
You can find the course on freeCodeCamp's YouTube channel.
14
273
1K
If you're learning to code and trying to get a developer job, you should read this book.
In it,
@ossia
shares his tips for new coders.
He discusses building your skills, network, and reputation as a dev, and includes stories from his own coding journey.
15
326
1K
Harvard's CS50 is one of the most popular introductory computer science courses online.
And freeCodeCamp published the entire 25-hour course on our YouTube channel.
You'll learn everything from abstraction + algorithms to data structures + security.
6
284
1K
As a dev, you probably use open source projects all the time.
And you can give back to the community by contributing to your favorite repo.
This Thursday 5pm EST,
@eddiejaoude
&
@nhcarrigan
discuss all things open source + Hacktoberfest – join us ⬇️.
18
161
1K
If you're a developer, knowing some basic math can help you a lot in your daily work.
And freeCodeCamp is building a math curriculum to help you strengthen your skills.
In this article, Ed introduces these interactive math courses (in open beta).
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Harvard's CS50 is one of the most popular intro to computer science courses out there.
And freeCodeCamp published the entire 25-hour course on our YouTube channel.
You'll learn everything from abstraction + algorithms to data structures + security.
5
252
1K
If you want to learn C programming, why not go right to the source?
Yep – the classic book co-written by the creator of C himself.
In this course, Dr. Chuck teaches you C by going through the chapters of Kernighan & Ritchie's book. Find it on freeCodeCamp's YouTube channel.
20
207
1K
Google recently released a new certificate in Cybersecurity.
You don't need prior experience to begin – it was designed for beginners.
In this quick guide,
@EamonnCottrell
explains what the Cybersecurity Professional Certificate is & how to get started.
14
304
1K
APIs provide a way for different applications & systems to communicate with each other.
And in this popular course, you'll learn all about them.
The course covers what APIs are & how to use them, and you'll get hands-on experience by writing your own.
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Want to practice your coding skills? Try building a Google Docs clone.
In this course you'll use Flutter, Node, Express, and other fun tools to create the project.
Your app will have authentication, state persistence, autosave, & more. Find it on freeCodeCamp's YouTube channel.
12
185
1K
Being able to build front-end applications with HTML, CSS, JavaScript, and React is a great skill to have.
And in this project-based course, you'll use these tools to build a Tic Tac Toe game and get some good practice.
You can find the course on freeCodeCamp's YouTube channel.
10
184
1K
Harvard's CS50 Intro to Computer Science course is one of the most popular in the world.
And the new edition is here - and it's still free.
Watch it on freeCodeCamp's YouTube channel & learn all about algorithms, data structures, security, & much more.
12
269
1K
APIs provide a way for different applications and systems to communicate with each other.
And in this popular course, you'll learn how they work.
The course covers what APIs are & how to use them, and you'll get hands-on experience by building your own.
5
271
1K
Postman is a powerful tool for testing APIs – so you can make sure your new features don't break your existing code.
And you'll learn all about debugging endpoints, automating the testing process, and more in this course.
You can find it on the freeCodeCamp YouTube channel.
6
206
1K
Google recently released a new certificate in Cybersecurity.
You don't need any experience to begin – it was designed for beginners.
In this overview,
@EamonnCottrell
explains what the Cybersecurity Professional Certificate is & how to get started.
11
268
1K
freeCodeCamp recently published Harvard's CS50P – yep, an intro to Python course from David J. Malan.
It teaches Python basics, how to write and use APIs, & you'll build an application using frameworks like Django and React.
You can find it on freeCodeCamp's YouTube channel. 🏕️
6
213
1K
When you're working with APIs, there are some basic best practices you should follow.
And if you really want to learn how APIs work, build one yourself.
In this guide Jean-Marc goes over each best practice as you build a REST API w/ JS, Node, & Express.
13
212
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If you're new to working with computers this course is for you.
It teaches computer basics for true beginners.
You'll learn about key computer parts, how to setup your machine & connect to the internet, how to secure it, & much more. Find it on freeCodeCamp's YouTube channel.
10
198
1K
DevOps has some of the highest paying jobs in the tech industry right now.
And even if you're not working as a DevOps, knowing how it works can help you as a developer.
Get started with key DevOps engineering concepts in this beginner course.
14
215
1K
Many Machine Learning tutorials rely on using frameworks that obscure what's really going on under the hood.
Well, not this course: its "no black box" approach lets you see exactly how things work.
You'll learn ML & neural networks with no frameworks.
5
210
1K
If you're prepping for developer job interviews, you'll need a solid grasp of Data Structures & Algorithms.
And this 48-hour course covers what you need to know.
You'll learn about algorithm efficiency, key data structures, dynamic programming, & more.
30
212
1K
As a developer, you'll need to know the basics of Git + version control.
And taking your skills to the next level will help you work smarter and get more done.
In this Git for professionals course you'll learn more advanced version control concepts.
14
211
1K
HTTP is the foundation of data communication on the Web.
It transfers data from the client to the server and vice versa.
You'll need to know how it works as a web dev - and this project-based networking course teaches you all the basics.
14
212
1K
These days, it seems like everyone's making a Twitter clone.
Well, now you can too with the help of this in-depth, project-based course.
You'll learn full stack development with Next.js and Supabase along the way as you build your app. Find it on freeCodeCamp's YouTube channel.
19
199
1K
Building projects is a great way to practice your web development skills.
And creating something useful, like a recipe website, is extra satisfying.
In this course you'll build a multi-page website w/ just HTML + CSS – no frameworks needed.
9
178
995
Want to level up your Java skills + build a full-stack app? Check out this course.
@frhnhsin
& Gavin designed it as an intro to full stack development.
You'll use Java, MongoDB, React, & other tools to build a movie review site. Find it on freeCodeCamp's YouTube channel.
13
198
998
C++ has been a popular programming language for 30+ years - now that's some impressive staying power.
If you want to learn it, you're in luck – freeCodeCamp published a 31-hour C++ course.
You'll start from the beginning & learn all the key concepts.
15
244
994
If you're a dev, you should have some solid math skills.
Lucky for you,
@manocormen
just put together this list of a bunch of free online math courses from the world's top schools.
You'll find 120 of them here so you can start leveling up your skills.
6
243
981
Spreadsheets are a powerful tool that you should know how to use as a dev.
And this course from a data scientist and university prof teaches you how to use Google Sheets like a pro.
It covers preparing data, creating charts, leveraging formulas & more.
6
210
983
Want to level up your Java skills + build a full-stack app? Here's a fun course for you.
@frhnhsin
& Gavin designed it as an intro to full stack development.
You'll use Java, MongoDB, React, & other tools to build a movie review site. Find it on freeCodeCamp's YouTube channel.
12
187
980
It's easier than ever to launch your own Software as a Service (SaaS) company.
The hardest part is getting people interested in it.
In this course, you'll learn how to build an app that lets people chat with any PDF, set up monetization, and more.
7
177
992
If you want to expand your knowledge of web development, this course is for you.
It picks up where Harvard's CS50x leaves off and dives more deeply into Python & JavaScript for the web.
You'll also learn HTML, CSS, Git, SQL, Testing basics, & much more.
7
222
984
When you're working with APIs, there are some best practices you should follow.
And if you really want to learn how APIs work, why not build one yourself?
Here, Jean-Marc goes over each best practice as you build a REST API w/ JS, Node, & Express.
0
231
974
There are many ways ChatGPT can help you be more productive & save time.
And you can start by installing its extension in VS Code.
In this guide,
@ijaydimples
walks you through installing CodeGPT in VSCode so you can use its features right in your IDE.
17
224
968
Sometimes, your daily routine won't go as planned.
But that's ok - take a break, take a walk, and recalibrate.
You'll get back in the groove.
(Photo by
@millywebdeveloper
on IG)
12
88
960
Django is a popular Python web framework you can use to build scalable & robust apps.
And this course teaches you how to use it by building an online marketplace.
It has features like authentication, a dashboard, and much more – find it on freeCodeCamp's YouTube channel.
7
207
968
You can learn the basics of data analytics in just about 30 days.
And this is possible because
@davidbclinton
created this intensive course for you.
You'll learn how to install Python Jupyter Notebook, find data from public APIs, and visualize datasets.
2
230
964
Linux is a popular operating system among SysAdmins & devs. And
@beaucarnes
created an in-depth beginner course for you.
In it, he goes through the major distro families and gives you an in-depth overview of how to use Linux.
Find the course on freeCodeCamp's YouTube channel.
12
152
953
Postman is a powerful tool you can use to test your APIs.
It helps you make sure any new features you add don't break your existing code.
And you'll learn all about debugging endpoints, automating the testing process, and more in this course.
11
168
963
If you're learning front-end development, here's a fun course for you.
In it,
@thecodercoder
shows you how to build a basic website with HTML, CSS, & JS.
You'll make your own social media dashboard with a light/dark theme toggle. Find it on freeCodeCamp's YouTube channel.
10
205
947
The Django REST framework is a powerful and flexible tool for building web APIs.
It has helpful features like serialization, auth, and throttling, and lets you make changes easily.
This course walks you through how to use it to build your own web API.
12
154
944
If you want to learn C programming, why not go straight to the source?
That's right – the classic book co-written by the creator of C himself.
Dr. Chuck teaches you C by going through each chapter of Kernighan & Ritchie's book. Find the course on freeCodeCamp's YouTube channel.
16
153
911
Universities around the world offer tons of their most popular courses online – often for free.
And many of them like Harvard, Stanford, & MIT just released 850+ more.
Here
@dhawalhshah
shares the full list from all 200 schools so you can dive on in.
15
293
924
Linux is a popular operating system with SysAdmins and devs.
And
@beaucarnes
created 2 in-depth beginner courses for you – here's the first one.
In it, he goes through the major distro families and gives you an in-depth overview of how to use Linux.
10
214
939
If you want to become a React developer, now's a great time to get started.
And to help you out,
@codeanimated
created this roadmap.
It explains how to start learning React step by step, from reading the docs to building increasingly complex projects.
6
221
896
Linux is a popular operating system with SysAdmins and devs.
And
@beaucarnes
created two in-depth beginner courses for you – here's the first one.
In it, he goes through the major distro families and gives you an in-depth overview of how to use Linux.
7
210
914
freeCodeCamp recently published Harvard's CS50P – that's right, an intro to Python course from David J. Malan.
It teaches Python basics, how to write and use APIs, & you'll build an app using frameworks like Django & React.
You can find it on freeCodeCamp's YouTube channel. 🏕️
11
178
903
ChatGPT and other Large Language Models can be helpful ways to increase your productivity.
But to use LLMs effectively, it's critical to understand prompt engineering.
In this course,
@ania_kubow
goes over core prompt engineering concepts & strategies.
18
230
912
If you want to learn a new skill, you can take an online course.
Many top universities around the world publish their most popular courses - often for free.
And here,
@dhawalhshah
lists 860+ online programming and CS courses you can start this year.
12
262
900
If you want to improve your Python skills, try building a bunch of projects.
And freeCodeCamp just published a beginner-friendly course that goes through 20 fun things to build.
You'll create a dice rolling simulator, leap year checker, and more.
13
211
889
How about a Machine Learning course that doesn't rely on libraries?
Well, this "no black box" ML course teaches you the algorithms from scratch.
You'll learn how they work by building projects like a drawing app, data visualizer, and more.
3
157
888
You can learn the basics of Machine Learning directly from a Data Scientist.
This course will take you through some of the main ways engineers use key ML techniques.
You'll also tackle that classic problem of overfitting and underfitting data.
7
214
887
If you're learning to code and trying to get a developer job, here's good news:
@ossia
just wrote a full book for new devs.
In it, he shares tips on building your skills, network, and reputation as a dev, & includes stories from his own coding journey.
11
217
892
Full stack developers are in a lot of demand in today's job market.
But what does "full stack" mean, and what skills do you need to have?
In this detailed guide, Dionysia explains what a full stack dev is, and what you should learn to become one.
13
187
867
Many universities, companies, and organizations offer free online courses.
But only some of them offer free certificates. So
@dhawalhshah
collected them for you here.
In this guide, he groups these certs by organization so you can choose your next one.
12
255
864
If you know some C# basics and want to boost your skills, you've come to the right place.
In this course, Gavin teaches you more advanced concepts like delegates, events, generics, async programming, attributes, and much more.
Find it live on freeCodeCamp's YouTube channel.
6
134
869
When you're learning Python, there are lots of important algorithms & data structures you should know.
They'll come up in job interviews, & you'll use them on a daily basis.
You'll learn how they work in this Python DSA course. Find it on freeCodeCamp's YouTube channel.
7
170
851
One of the best ways to test your development skills is to build an app from scratch.
And that's what this course helps you do, using tools like Next.js and Firebase.
You'll learn about file management & build a full-stack Google Drive clone with auth.
5
159
866
Linux is a popular open source operating system that gives devs lots of freedom.
But it's a huge ecosystem, and there are a lot of commands to learn to get the most out of it.
Don't worry -
@flaviocopes
has you covered with this Linux commands handbook.
5
215
836
Arduino is an open-source electronics platform that you can use to build cool projects.
Things like game controllers, temperature sensors, LED animations, & more.
In this course, you'll learn the electronics & coding concepts you need to build your own.
7
154
779
You can build a pretty neat platformer game – think Mario Bros – with just HTML, CSS, and vanilla JavaScript.
And this 10-hour course teaches you how.
You'll build 9 projects and learn everything you need to know to make your own 2D animated games.
8
179
836
When you're learning a new programming language, you should build a bunch of projects with it.
Start simple and get more complex as you learn new skills.
Here
@codergirl1991
shares 25 beginner-friendly projects so you can get started coding in Python.
14
220
833
There are many ways to incorporate AI tools into your web apps.
In this course, you'll use ChatGPT, DALL-E, and GPT-4 (+ HTML, CSS, and JS) to build some fun projects.
You'll also learn about Firebase, Netlify, & other popular tools. Find it on freeCodeCamp's YouTube channel.
16
170
817
Spreadsheets are a powerful tool that you should know how to use as a dev.
And in this course from a data scientist and university prof, you'll learn how to use Google Sheets like a pro.
It covers preparing data, creating charts, & leveraging formulas.
4
239
828
Data analysis is a popular and growing field in the data world.
This 19-hour course takes you on an in-depth journey, whether you're a beginner or more advanced in your skills.
You'll learn about Python, Excel, SQL, Tableau and Power BI & much more.
3
196
839
It's gotten easier to launch your own Software as a Service (SaaS) company.
The hardest part is getting people interested in it.
In this course, you'll learn how to build an app that lets people chat with any PDF, set up monetization, and more.
6
172
842
If you want to build large-scale distributed systems - like Google - there's a lot you need to know.
Well, this course will get you started.
You'll learn about basic engineering design patterns used to build these systems + then apply them in a project.
12
172
835
Building projects is a great way to practice your web development skills.
And creating something practical, like a recipe website, is effective and useful.
In this course you'll build a multi-page website w/ just HTML + CSS – no frameworks needed.
9
175
817
Generative AI is now one of the most popular areas of artificial intelligence.
It's when AI draws images or writes poetry using a generative model, based on what you tell it to do.
In this 30-hour course, you'll learn all about it + build projects, too.
36
190
802
Being able to build front-end applications with HTML, CSS, JavaScript, and React is a great skill to have.
And you can practice by following along with this project-based course.
You'll use these tools to build a Tic Tac Toe game from start to finish.
6
196
814
Full stack engineers are in high demand – they code both the front and back end of applications.
There are many skills you'll need to know to call yourself "full stack".
In this career guide, Dionysia explains what it takes to be a full stack engineer.
12
184
814
Many Machine Learning tutorials rely on using frameworks that hide what's really going on under the hood.
Well, not this course: its "no black box" approach lets you see exactly how things work.
You'll learn ML & neural networks with no frameworks.
7
159
810
As a developer, it's important to know the basics of Git.
And taking your skills to the next level can help you work smarter and be more productive.
In this Git for professionals course you'll learn more advanced version control concepts.
5
168
803
Full stack developer roles are in high demand on the job market these days.
But what does "full stack" mean? What skills do you need to be one?
In this detailed guide Dionysia explains what a full stack dev is, and what you need to learn to be one.
15
149
800
Visual Studio Code is one of the most popular & customizable code editors available.
And in this guide
@frhnhsin
helps you get it all set up for Python development.
He talks about the key extensions you'll need & how they create a fun coding experience.
3
171
795
When you're learning Python, there are some important algorithms & data structures you should know.
They'll come up in job interviews, and you'll use them on a daily basis, too.
You'll learn how to use them in this comprehensive Python DSA course.
5
195
801
If you're looking for a developer job, you should have a solid portfolio site.
This lets potential employers view your projects and skills laid out in an accessible way.
In this course you'll create a portfolio website using HTML, CSS, & JavaScript.
6
200
798
If you want to improve your Python skills, you should try building some projects.
And freeCodeCamp just published a beginner-friendly course that goes through 20 fun things to build.
You'll create a dice rolling simulator, leap year checker, and more.
17
207
798
Django is a powerful Python web framework that helps you build maintainable & secure websites.
And you can practice your skills by building a social media app with it.
In this course you'll code an app that lets users like posts, follow friends, & more.
15
136
793