- Draw.io: An awesome free diagram drawing tool. Recently renamed into diagrams.net.
- VSCodium: A fork of the well-known Visual Studio Code without Microsoft's binaries.
- websequencediagrams.com: A Web Sequence Diagram editor using code description instead of WYSIWYG.
- https://app.uxcel.com/courses: UI/UX Design courses
- Loaders: HTML/CSS Loaders.
- easings.net: Easing functions for any languages, including CSS.