Penpot
penpot.app
Open-source design and prototyping
ToolsOpen sourceWebSVG
by Kaleidos
Design Tools
Where the design actually happens — canvases, whiteboards and design-to-dev handoff.
9 resources
9 resources
UI Skills
ui-skills.com
Design-engineering skills for humans and agents
ToolsOpen sourceReactCSS
by Julien Thibeaut@ibelick
Aceternity Timeline
ui.aceternity.com
Scroll-linked timeline component
ToolsFreeReactMotion
by Manu Arora@mannupaaji
AI CSS
aicss.dev
Generate CSS from plain language
ToolsFreeCSSAI
Design System Checklist
designsystemchecklist.com
Plan, build and grow your design system
ToolsOpen sourceDesign
Drawably
drawably-site.pages.dev
Hand-drawn SVG illustration tool
ToolsFreeSVGDesign
Excalidraw
excalidraw.com
Hand-drawn style diagrams
ToolsFreemiumReact
Figma
figma.com
Where most product design still happens
ToolsFreemiumWeb
tldraw
tldraw.dev
Infinite canvas you can embed
ToolsFreemiumReact
by tldraw@tldraw