- Tiny Helpers. "A collection of free single-purpose online tools for web developers".
- Undesign. "Collection of free design tools and resources for makers, developers and designers".
- Free pictures https://unsplash.com/
- Old book illustrations https://www.oldbookillustrations.com/
- UI tips and tutorials https://refactoringui.com/
- Balsamiq https://balsamiq.com/
- List of webs for generating different backgrounds https://wweb.dev/resources/creative-backgrounds
- About utility-first CSS (from the creator of Tailwind) https://adamwathan.me/css-utility-classes-and-separation-of-concerns/
- Comprehensive Guide: When to Use Em vs. Rem
- CSS Guidelines
- Modern CSS Solutions
- Learn CSS
- Animations: Animista
- You don't know JS (Kyle Simpson, 2020)
- Javascript for impatient programmers(Axel Rauschmayer, 2019)
- Learning JavaScript Design Patterns (Addy Osmani, 2017)
- HTTP status codes reference https://httpstatuses.com
- Three articles about RESTful (1) https://www.oreilly.com/learning/how-to-design-a-restful-api-architecture-from-a-human-language-spec#dfref-footnote-3 (2) https://www.oreilly.com/ideas/how-a-restful-api-server-reacts-to-requests (3) https://www.oreilly.com/ideas/how-a-restful-api-represents-resources?utm_source=oreilly&utm_medium=new_site&utm_campaign=how-a-restful-api-server-reacts-to-requests
- Standard: alternative to ESlint https://www.npmjs.com/package/standard
- Wilson et al. (2014) Best Practices for Scientific Computing https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1001745
- Yeoman. Create starters.
- Favicon Generator
- Git explorer. Git commands reference.
- Learn Git Branching. Interactive guide.
- Learn X in Y minutes. Quick introduction to many languages.