Conception Developer Tools

Figma

4.0

Collaborative UI/UX design & prototyping tool

Excalidraw

4.5

Virtual whiteboard for sketching diagrams

Sketch

4.0

Professional vector-based design tool for Mac

Whimsical

4.0

Wireframes, diagrams, mind maps & docs

Penpot

4.5

Open-source design & prototyping platform

Balsamiq

4.5

Low-fidelity wireframing for rapid UI conception

Mermaid

4.0

Generate diagrams and flowcharts from Markdown-like text

Framer

4.0

Design, prototype & publish interactive websites

draw.io

4.5

Free online diagramming tool integrated with cloud storage

PlantUML

4.5

Open-source UML diagramming as code

Magic Patterns

4.8

Prototype product ideas with AI

RAWGraphs

4.8

Free open-source data visualization tool