* fix: Remove broken link for The Python Game Book
Removed the entry for 'The Python Game Book' by Horst Jens as the archived link returns 404 errors and the original site is no longer accessible (403 forbidden).
Fixes#12663
* fix: Remove SoloLearn course links due to access restrictions
Removed all SoloLearn course links as the platform now requires completing previous exercises before accessing new content, which violates the principle of free and open access to educational resources.
This affects the following sections:
- C# (Learn C#)
- C++ (Sololearn C++)
- Data Science (Learn Data Science)
- Database (SQL) (Learn SQL)
- Java (Learn Java)
- JavaScript / React (Learn React + Redux)
- Machine Learning (Machine Learning)
- PHP (Learn PHP)
- Python (Python Tutorials)
- Swift (Learn Swift 4)
Fixes#12660
* Add CS50's Introduction to Cybersecurity course by David J. Malan
* Fix spacing issue after link in CS50 Cybersecurity course entry
* Update courses/free-courses-en.md
Co-authored-by: Eric Hellman <eric@hellman.net>
---------
Co-authored-by: Diya Joshy <diyajoshy8ackmnss@gmail.com>
Co-authored-by: Eric Hellman <eric@hellman.net>
* Add Foundational C# with Microsoft Certification
Add "C# with Microsoft Certification" A Free Collection of Resources To Learn C# with Microsoft and Free Code Camp.
Added under CSharp Section In free-courses-en.md.
* Update free-courses-en.md
Removed outdated SoloLearn Python course link and replaced another SoloLearn entry with the updated Python Developer Course link, noting registration is required. Changes Made in "Python" Section in free-courses-en.md.
- Add Rust Programming Tutorial by Trevor Sullivan
- Add Learn Rust by Smart Contract Programmer
- Add Rust Crash Course Tutorial for Beginners by Francesco Ciulla
All entries properly formatted and placed in alphabetical order within the Rust section.
* feat(pt_BR): Add cursos de Delphi, Elixir, Sass and Swift
* fix(pt_BR): add course Lua
* feat(pt_BR): Add cursos de Delphi, Elixir, Sass, Lua and Linux
* feat(pt_BR) add Linux
* (pt_BR) add Linux
* (pt_BR) add Sass, Rust and React Native
* (pt_BR) add segurança da informação
* feat/(pt_BR) add Angular,TypeScript and WordPress
* feat/ add Markdown,Programação,Django,Flask
* feat/add raspberry Pi,Sass,Swift and SEO
* Fix: Update AI section in free-courses-ta.md with new resources
* Fix: Add a line break for better readability in the AI section of free-courses-ta.md
* Fix: Add line breaks for improved readability in the Index and AI sections of free-courses-ta.md
* Fix: Add line breaks for improved readability in the AI and Android sections of free-courses-ta.md
This course has been removed from the site. The archived version requires registration, but registration is impossible, rendering the resource useless.
Added a Learn Django YouTube course by Stein Helset (CodewithStein) in freeCodeCamp and updated the broken link for the Justin Mitchel Python tutorial on freeCodeCamp's YouTube channel.
- Add CC BY-NC-ND license notation to 'The Linux Command Line' by William E. Shotts Jr. (found in footer at http://linuxcommand.org/tlcl.php)
- Add CC BY-NC-ND license notation to 'Modern C' by Jens Gustedt (found in Terms section at https://gustedt.gitlabpages.inria.fr/modern-c/)
- Fix broken C# index anchor in Vietnamese courses (#a-idcsharpac -> #csharp)
- Remove duplicate 'Học React Hooks cơ bản (2020)' entry in Vietnamese courses
Resolves#11355 (license notes effort)
Related: Hacktoberfest 2025 contribution
* feat(pt_BR): Add cursos de Delphi, Elixir, Sass and Swift
* fix(pt_BR): add course Lua
* feat(pt_BR): Add cursos de Delphi, Elixir, Sass, Lua and Linux
* feat(pt_BR) add Linux
* (pt_BR) add Linux
* (pt_BR) add Sass, Rust and React Native
* (pt_BR) add segurança da informação
* feat(pt_BR): Add cursos de Delphi, Elixir, Sass and Swift
* fix(pt_BR): add course Lua
* feat(pt_BR): Add cursos de Delphi, Elixir, Sass, Lua and Linux
* feat(pt_BR) add Linux
* (pt_BR) add Linux
* Add Object Oriented Programming course in C++ to the curriculum
* Add Assembly section to the curriculum and update index
* Add Python Tutorial for Beginners to the curriculum
* Add Generative AI for Beginners (.NET Edition) en version
* feat: add Generative KI für Anfänger (.NET Edition) by Microsoft (German)
* feat: add 初心者向け 生成 AI .NET コース by Microsoft (Japanese)
* feat: add Générative AI pour Débutants .NET - Un Cours (French)
* add Foundation Models & Generative AI (MIT OpenCourseWare)
* remove trailing slash
* Update courses/free-courses-en.md
Co-authored-by: Eric Hellman <eric@hellman.net>
* update course alphabetical ordering
---------
Co-authored-by: Satyam Mishra <satyammishra9050@gmail.com>
Co-authored-by: Eric Hellman <eric@hellman.net>
* add: new machine learning books (MLSys Book, Patterns, Predictions, and Actions)
* add: OpenCV University free courses (PyTorch, TensorFlow, Python, OpenCV)
* add: new SQL practice and editor resources
* add: Deep-ML problem set for competitive programming
* fix: lint issues (pdf tag, ordering, trailing slash)
* fix: correct alphabetical order for SQL resources
JDeep