SASS Compiler - Generate CSS code from sass source using SASS Compiler. Beautify CSS if necessary.

Figma - Team-based interface design, Figma lets you collaborate on designs in real time.

JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON

GEES - GEES is an all-in-one AI design platform that is shaping a future where you can brainstorm, design, hand-off in one file — without changing any other tools.

LESS Compiler - LESS Compiler makes formatted CSS styles from less source.

Sketch - Professional digital design for Mac.