Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.
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Apps similar to CheatGrid include freeCodeCamp, which is free and open source. Other options are The Odin Project, roadmap.sh, Learn Anything and Cheatography. You can choose from more than 10 Online Education Services like CheatGrid for the web, Android, iPhone, iPad and self-hosting.
Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.




The Odin Project is one of those "What I wish I had when I was learning" resources. Not everyone has access to a computer science education or the funds to attend an intensive coding school and neither of those is right for everyone anyway.


roadmap.sh is a community effort to create roadmaps, guides and other educational content to help guide the developers in picking up the path and guide their learnings.

Learn Anything is the platform for knowledge discovery that helps you understand any topic through the most efficient paths, as voted by the community. Each topic has a mind map with nodes to other subtopics, external links and resources.




Cheat sheet builder and repository where you can build, upload and share cheat sheets and quick references

Hyperskill is an educational platform for future professionals with the opportunity to learn theory and practice by programming your own working applications.




The ultimate repository of sheets and quick references meticulously crafted by the open community to boost your productivity.

All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page.

Looking for any actual exam material supplier, you'll find out that none of them is actually free. We decided to give you none of that crap, giving you the most updated, precise & verified actual exam questions & answers.



Tinkerstellar helps you learn coding and data science with interactive tutorials, where you can edit and run code examples straight away — it's a great way to start coding in Python and to experiment with data analysis, machine learning, or other areas of computational...



