Find free alternative to Zeal for developers - 2025

100Devs - leonnoel.com

Train people underrepresented in tech for high growth careers as software engineers.

Tags: HTML, CSS, JavaScript, learning-resource

Devdocs

DevDocs is an open source API documentation browser that combines multiple docs in a single web UI.

Tags: learning-resource, documentation

clean-code-javascript

Clean Code concepts adapted for JavaScript.

Tags: learning-resource, learn-javascript

CodeAbbey

Collection of programming problems to practice solving, learn to program and code, and win certificates

Tags: learning-resource, code-practice

Codeforces

Codeforces. Programming competitions and contests, programming community

Tags: algorithm, learning-resource, code-practice

CodeGuppy

JavaScript for kids and teens

Tags: learning-resource, learn-javascript

CodeProject

Free source code and tutorials for Software developers and Architects.

Tags: community, learning-resource

Codewars

Codewars is a platform that helps you learn, train, and improve your coding skills by solving programming tasks

Tags: learning-resource, code-practice

community-contributors

Helpful docs and information for contributors to our open source Learning Lab courses - GitHub - githubtraining/community-contributors: Helpful docs and information for contributors to our open source Learning Lab courses

Tags: learning-resource, opensource

CSS-Tricks

Daily articles about CSS, HTML, JavaScript, and all things related to web design and development..

Tags: css, learning-resource

MDN Web Docs

Professional web technology references and guides

Tags: learning-resource, community

enjoycss

EnjoyCSS is an advanced CSS3 generator that allows you to get rid of routine coding.

Tags: css, learning-resource

Exercism

Learn, practice and get world-class mentoring in over 50 languages. 100% free.

Tags: learning-resource

freeCodeCamp

freecodecamp.org is a nonprofit community that helps you learn to code by building projects.

Tags: learning-resource, community

FreeFrontend

Free hand-picked HTML, CSS and JavaScript (jQuery, React, Vue) code examples, tutorials and articles.

Tags: learning-resource

Honeypot documentary

Developers video story behind a tool we use

Tags: video, learning-resource

HTML For Beginners The Easy Way

Learn how to code HTML & CSS for free at HTML.com. Weve HTML tutorials & reference guides on tags, attributes and everything else you need to master HTML.

Tags: learning-resource

The Modern JavaScript Tutorial

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

Tags: learning-resource, learn-javascript

JavaScript Tutorial

JavaScript Tutorial provides you with many practical tutorials that help you learn JavaScript from scratch quickly and effectively.

Tags: learning-resource, learn-javascript

JS - The Right Way

A quick reference to best practices for writing JavaScript -- links to code patterns and tutorials from around the web

Tags: learning-resource, learn-javascript

Project Euler

Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve

Tags: learning-resource, code-practice, algorithm

riptutorial

l Learn programming languages with books and examples. Over 1000 topics to learn about any programming languages/software such as C#, Dapper, Entity Framework, SQL, and more!

Tags: learning-resource

Roadmap.sh

Free developer roadmaps to guide you on your path to mastery.

Tags: learning-resource

Scaling DevTools

Interviews with the world's best DevTools startups. Learn from the founders of companies like PostHog, Supabase and WorkOS.

Tags: learning-resource

SERP AI

Get Smarter & Stay up on AI

Tags: artificial-intelligence, learning-resource, data-science, machine-learning, software-list

Microsoft Learn Student Hub

Learn technical skills to prepare you for your future.

Tags: learning-resource

The Odin Project

The Odin Project is a free open source Full Stack curriculum that can be taken entirely online.

Tags: learning-resource

unhosted web apps

weekly handbook about unhosted web apps

Tags: serverless, learning-resource

VectorHub

VectorHub is a free and open-source learning hub for adding vector retrieval to machine learning projects.

Tags: learning-resource

W3 Schools

W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding.

Tags: learning-resource, community

Web design lessons | Webflow University

Learn new web design techniques, overcome common web design issues, and get answers to frequently asked questions.

Tags: learning-resource

Devdocs

DevDocs is an open source API documentation browser that combines multiple docs in a single web UI.

Tags: learning-resource, documentation

CodexAtlas

Reduce the time needed to onboard new developers and get back up to 20% of their time to create new features. Eliminate dependency risk with AI documentation.

Tags: documentation

Docsify-This

This web app provides a quick way to display Markdown files as standalone web pages (also perfect for embedding) without needing to setup your own website. All you need is a publicly available Markdown file and pass that URL to docsify-this.net.

Tags: documentation, markdown, website-builder

docsify

A magical documentation generator.

Tags: documentation, documentation-generator

Docusaurus

An optimized site generator in React. Docusaurus helps you to move fast and write content. Build documentation websites, blogs, marketing pages, and more.

Tags: documentation

DokuWiki

DokuWiki is a simple to use and highly versatile Open Source wiki software that doesnt require a database. It is loved by users for its clean and readable syntax. The ease of maintenance, backup and integration makes it an administrators favorite.

Tags: note-taking, documentation

JS to Markdown

Generate code documentation with markdown automatically from js files!

Tags: documentation, markdown

MkDocs

Project documentation with Markdown.

Tags: documentation, markdown

Notaku

Notaku turns your Notion workspace into beautiful websites. You will be able to use Notion as a CMS and easily update your knowledge base, blog, changelog and more.

Tags: blog, documentation, changelog

Storybook

Storybook is a frontend workshop for building UI components and pages in isolation. Thousands of teams use it for UI development, testing, and documentation. It iss open source and free.

Tags: styleguide, documentation, design-systems, ui-component

Swimm

Swimm is a knowledge management tool for code, built for dev teams committed to effective knowledge sharing. With Swimm, every developer can quickly understand code and contribute to it.

Tags: documentation

Tiddlyhost

Tiddlyhost is powered by TiddlyWiki the revolutionary open source JavaScript wiki.

Tags: documentation