Best Tutorials in 2026

There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.

Key Hackr.io features:

User Recommendations Wide Range of Topics Community Engagement Filter and Search Options

Calculate in a notebook and share — from everyday math to engineering.

Key Calcumber features:

🌿 Naturally type expressions 🔗 Copy and share 🧩 Variables and constants 🧪 Scientific functions

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Learning Resources.

Key Land of Lisp features:

Engaging Format Conceptual Understanding Interactive Learning Unique Content

Learning Resources.

Key Practical Common Lisp features:

Comprehensive Introduction Practical Approach Engaging Writing Style Free Access Online

Mike Bostocks D3 examples.

Key D3 Gallery features:

Flexibility Complexity of Visualizations Control Over Graphics Large Community and Support

Loom is a screen recording extension for Chrome that gives people the ability to create and share media. Create your own videos using your camera, screen view, and audio. Read more about Loom.

Key Loom features:

Ease of Use Speed Integrations Viewer Analytics

Create software videos and guides in minutes at 1% of the cost. Trupeer turns rough screen recordings into professional videos with AI-generated scripts, voiceovers, step-by-step guides & zoom effects.

Design, data, visualization, culture.

Key Scott Murray Tutorials features:

Comprehensive Content Step-by-Step Instructions Practical Examples Updated Material

Create stunning videos in minutes with AI.

Interactive Data Visualization in a Web Browser.

Download and solve practice problems in over 30 different languages.

Key Exercism features:

Free Access Mentorship Wide Variety of Languages Structured Learning Tracks

Open Source

A mandatory introduction to a very complex and powerful library.

Key D3.js in Action features:

Comprehensive Guide Practical Examples Step-by-Step Instruction Expert Author

Learn to code by helping nonprofits.

Key Free Code Camp features:

Comprehensive Curriculum Project-Based Learning Community Support Real-World Non-Profit Projects

Build skills with courses, certificates, and degrees online from world-class universities and companies.

Key Coursera features:

Headquarters