Web Apps List: Showcasing the best web apps

Web Apps List: Showcasing the best web apps

CodePen is an HTML, CSS, and JavaScript code editor in your browser with instant previews of the code you see and write.
We call them Pens. Write HTML, CSS, and JS and get a real-time preview. You can use CodePen to:
- Show off the amazing things you build.
- Learn new things by tinkering.
- Build reduced test cases to report bugs and get help on tricky problems.
- Try out new technologies for the first time.
- Build components to later use elsewhere.

The possibilities are endless. Everything you do is saved on CodePen, so the more you use it the more useful it becomes.
Computer, Tablet, Mobile
JSBin is a collaborative JavaScript debugger with some cool features like remote rendering, complete history, forking, custom templates and more.
For more information, visit http://learn.jsbin.com/.
Computer, Tablet, Mobile
Free Online Photo Editing and Painting
Mara is a web-based software suite for quick image editing and painting. Includes a huge set of tools, among which are traditional tools for graphic editors, as well as unique ones, which you will not find anywhere else.

The program is completely free. No premium features. No watermarks. Registration is not required.

Some Mara features:

- Of course, basic tools including resize, crop, rotate, auto-fix, etc.
- Dozens of real time filters and effects
- Image enhancement tools
- Multiple image transformation types
- Painting tools
- Creation and editing of animations in GIF, PNG and AWebP formats
- Works with raster and vector graphics
- Cross-platform mobile-friendly
- Hundreds of hand-picked fonts, frames, stickers and overlays
- Import your own custom elements
- Seasonal elements for everything from Christmas to Halloween
- Supports almost any image format, including RAW
- Import images from the clipboard
- Converting between image formats: JPEG, BMP, GIF, PNG, SVG, TARGA, TIFF, JPEG 2000, PDF, ICO, WebP and more
- Base64 decoder and encoder
- Suitable for all experience levels
- Intuitive interface
- No-hassle navigation
- No download is required

Also, in addition to the software, on the Mara website there is an archive with thousands of free photos that can be used by everyone, even for commercial purposes.

Stay tuned for many exciting new features that are currently under development.
Computer, Tablet, Mobile