Stele

Stele

stele.so
Penpot

Penpot

Kaleidos
5.0 out of 5 stars
+
+

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About

Stele is a browser-based UI reference library for frontend developers, design engineers, and designers who work with code. Its Chrome extension captures web-page elements, full pages, screenshots, video, bookmarks, code, and notes in a searchable visual workspace. Captures retain HTML, styles, assets, and design tokens, allowing users to inspect colors, fonts, spacing, and component details after saving. The web app provides semantic search, tagging, accessibility and contrast checks, and exports to React, HTML, and Tailwind. Users can connect AI coding tools through Model Context Protocol (MCP) to search and use saved references as context, and import inspiration from services including Pinterest, Dribbble, Behance, X, and Raindrop.io. Stele offers a free plan and a paid Pro subscription.

About

Penpot is the free open-source design tool that allows true collaboration between designers and developers. Hand-off drama disappears, thanks to features like CSS Grid, Flex Layout and the Code Inspect tab. Designers can create stunning designs, interactive prototypes, design systems at scale, while developers enjoy ready-to-use code and make their workflow easy and fast.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Frontend developers, designers who code, indie makers and product teams who build with AI tools like Claude Code and Cursor.

Audience

Designers and developers who need an open source design and prototyping tool for digital products

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$10/month
Pro is $10/month for beta members, with the discounted rate lasting while the subscription remains active. Standard Pro pricing is $15/month billed monthly or $144 billed yearly ($12/month equivalent); subscriptions renew automatically until canceled. The free plan includes 60 captures, 2 GB of storage, one personal space, and 200 AI credits per month. Pro includes 100 GB of storage and 2,000 AI credits per month. Pro has a free trial; a payment method is collected at checkout, and billing starts after the trial unless canceled.
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • These are the pros I think this tool has. And I bet there are some more, but I will choose the most important ones: - color palette - font palette - ruler - design

Cons

  • No auto-layout. No dark-mode/light-mode switch. Small community.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Not Supported
In Person Not Supported

Company Information

stele.so
Founded: 2026
India
stele.so

Company Information

Kaleidos
Founded: 2011
Spain
penpot.app/

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Wondershare Technology

Categories

UI Design Supported

Categories

Graphic Design Supported
Prototyping Supported
UI Design Supported

Graphic Design Features

Collaboration Supported
Data Visualization Not Supported
Filtering Not Supported
Image Database Not Supported
Image Editor Supported
Templates Supported

Prototyping Features

Animation Supported
Collaboration Supported
Drag & Drop Supported
Software Prototyping Supported
Templates Supported
UI Prototyping Supported
Usability Testing Supported
UX Prototyping Supported
Version Control Not Supported

Integrations

Behance Supported
Claude Supported
Cursor Supported
Dribbble Supported
Model Context Protocol (MCP) Supported
Pinterest Supported
Raindrop.io Supported
X (Twitter) Supported

Integrations

Behance Not Supported
Claude Not Supported
Cursor Not Supported
Dribbble Not Supported
Model Context Protocol (MCP) Not Supported
Pinterest Not Supported
Raindrop.io Not Supported
X (Twitter) Not Supported
Claim Stele and update features and information
Claim Stele and update features and information
Claim Penpot and update features and information
Claim Penpot and update features and information