Whimsical

Excalidraw

Infinite-canvas whiteboard with a hand-drawn style, free real-time collaboration, and an open-source core.

Milanote

Milanote organizes notes, images, links and files on visual boards for creative projects, with real-time board sharing.

Framer

Framer is a no-code visual website builder with a built-in CMS, staging environment and AI-assisted design and content features.

Magic Patterns

AI-powered UI component and prototype generator from prompts.

Penpot

Free open-source alternative to Figma — collaborative design and prototyping.

FlowMapp

FlowMapp builds collaborative sitemaps, user flows and wireframes for planning a website before high-fidelity design.

Balsamiq

A fast, intentionally low-fidelity wireframing tool for sketching app and website flows before full-fidelity design.

FigJam

Collaborative digital whiteboard by Figma for brainstorming, team alignment, and planning. Included free with all Figma plans, no additional cost.

PureRef

Lightweight reference board for artists, illustrators, and 3D.

Visily

AI-powered wireframing tool for agile teams, simple and collaborative.

Miro

Online collaborative whiteboard.

Adobe XD

UI prototyping and design (discontinued).

Inspo AI

AI visual search across a 200,000+ screen index, collaborative moodboards and text-to-interface generation.

Origami

Free interactive prototyping toolkit for Mac, created by Meta.

Pterocos

Free browser-based code editor with local execution and instant preview.

Notion

All-in-one workspace for notes, docs, wikis and databases, with a generous free plan and per-seat paid tiers.

v0 by Vercel

Generate React/Tailwind UI components from a text description.

GitHub Copilot

AI development assistant for GitHub: inline autocomplete, code chat, review, agent mode, and CLI. June 2026: moved to usage-based billing (credits); inline suggestions free on all plans.

ScreenSage Pro

AI screen capture and annotation tool for creating tutorials and visual docs.

Scribe

Turns recorded on-screen workflows into step-by-step guides automatically, free for web apps or from $25/month for desktop capture.