Browser support tables for web features.
Development
Free sites
75 sites
Build, test and explain regular expressions with live highlighting.
Development
The most reliable reference for HTML, CSS and JavaScript.
Development
Google's in-browser image compressor with side-by-side quality preview.
Design
Unofficial guide to the open-source ArtCraft apps (PhotoCraft, FilmCraft…), with safe official download links.
Design
Open-source, self-hostable design and prototyping tool.
Design
Search 200k+ open-source icons across 150+ sets.
Design
Hundreds of open-source fonts ready for web and print.
Design
Adobe's portfolio network for creative work across disciplines.
Design
Network of expert Q&A sites from maths to cooking.
Community
Global Q&A with answers from practitioners across every field.
Community
Chinese community for books, films, music and interest groups.
Community
Chinese developer community with tutorials and tech articles.
Community
Official GitHub community forum for questions and feedback.
Community
Friendly blogging community for developers of all levels.
Community
Invite-only, computing-focused link aggregator with thoughtful comments.
Community
Open social network with custom feeds; a popular X alternative.
Community
Decentralized, ad-free social network made of independent servers.
Community
China's largest Q&A platform with long-form expert answers.
Community
Chinese community for developers and creators, strong on tech and indie projects.
Community
The Q&A site that answers most programming errors you will ever hit.
Community
Tech and startup links with high-signal discussion from engineers and founders.
Community
Thousands of niche communities; often the best place for honest user opinions.
Community
Daily launches of new tech products; great for spotting trends and launching your own.
Business