Link: freecodecamp.org
Full free certifications in web dev, JS, Python, data science, and more.
Link: codewars.com
Fun coding challenges (katas) to practice programming skills in many languages.
Link: flaticon.com
Huge library of free icons in SVG, PNG (attribution required for free version).
Link: w3schools.com
Clear tutorials and references for HTML, CSS, JS, Python, SQL, and more.
Link: phosphoricons.com
Beautiful, open-source icons (line, filled, duotone) MIT licensed.
Link: unsplash.com
High-quality free stock photos (no attribution required, great for websites/apps).
Link: theodinproject.com
Full-stack web dev curriculum (HTML/CSS/JS/Node/React) 100% free.
Link: developer.mozilla.org
Best free reference and learning docs for web technologies (HTML, CSS, JS).