Penpot’s Flex Layout: Building CSS Layouts In A Design Tool
Meet Penpot, An Open-Source Design Platform Made For Designers And Developers Alike
Which UI design tool should I use in 2020?
10 Tools for Rapid Prototyping
What design tools get wrong
Sketch, Figma, Adobe XD, UXPin or InVision Studio: which one? | Koos Looijesteijn
UX Design Tools for 2018
A DevTools for Designers
Creating WordPress Themes w/ Pinegrow
Blocs
Blocs is fast, intuitive and powerful visual web design software, that lets you create responsive websites and Wordpress themes without writing code.
Pinegrow
… a desktop app that lets you build responsive websites faster with live multi-page editing, CSS styling and smart components for Bootstrap, Foundation, AngularJS and WordPress.
Antetype - Layout aware User Interface Design
… design beautiful, responsive UIs for apps, websites and enterprise software.
Briefs
Finely crafted software for the discerning client.
LiveView for iPhone & iPad
… a specialized remote screen viewing application intended as a tool to help designers create graphics for mobile applications, it has also proven to be useful for creating quick and dirty simulations, demos, and experience prototypes.
Introducing Adobe Edge Reflow (YouTube)
Gradient App for OSX
The Missing Link between Web Designers and Colors
AppControls
… makes it easy to quickly create high-quality custom controls for your iOS apps, Mac apps and for the web.
Compass.app
compile Compass/Sass easily without resorting to command line interface — Compass.app helps designers compile stylesheets easily without resorting to command line interface. It is written in Java and works in Windows/Linux/Mac OS X.
… Beautifully Designed iPhone Utilities
iPlotz
… wireframing, mockups and prototyping for websites and applications
Mockingbird
Wireframes on the fly … an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application.
modo Luxology
3d. model. paint. render. create.
Color Tool 2.0.1 Alpha
Iconset
Free, cross-platform and fast SVG icon organizer app for designers, developers or product teams. Works on both Mac and Windows.
IconComposer2x
Icon Composer 2x is a replacement for Apple's Icon Composer that supports Retina Resolution Icons.
Iconjar
Organize, search and use icons the easy way. Iconjar gives you the ability to store all your icons in one place, just one click away.
Icon Composer 2x
Icon Composer 2x is a replacement for Apple's Icon Composer that supports Retina Resolution Icons. On GitHub: https://github.com/lemonmojo/IconComposer2x
Icon Maker
Contrast
A macOS app for quick access to WCAG color contrast ratios → https://itunes.apple.com/de/app/contrast-color-accessibility/id1254981365?l=en&mt=12
Boxy SVG Editor
Boxy SVG project goal is to create the best tool for editing SVG files.