The best tools on the internet, curated by hand, daily. Add your favorites, and promote your own.

Check out this range of free tools .NET developers. From web.config and appsettings.json validators to C# helping tools, we've got it all.

Create a personal list and manage your dev bookmarks efficiently with custom and rapid search, read later and custom tags

Resources to work with static site generators and the JAMstack, to build fast and secure modern websites.

We are creating high quality tools and resources to aid developers and designers during the development of their projects

OpenML is an open platform for sharing datasets, algorithms, and experiments - to learn how to learn better, together.

Use our SERP preview tool to optimize your page's appearance in Google search results. Improve your click-through rate!

W3C's easy-to-use markup validation service, based on SGML and XML parsers.

Type Terms. The animated typographic cheat sheet.

A polyglot web converter that's going to save you a lot of time.

Explore and experiment with HTML, JavaScript and CSS visualise your ideas and get instant feedback. Create your own snippets and share it with others users.