Product Disrupt might be a bit more popular than UI Jar. We know about 1 link to it since March 2021 and only 1 link to UI Jar. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
UI Jar: This is one of the better ones for “general” category. Check it out yourself. It has some extensive filters. Source: 10 months ago
Product Disrupt - Curated List of Resources to Learn Product Design. Source: almost 3 years ago
UI Movement - The best UI design inspiration, daily
Design Principles - An open source repository of design principles and methods
Muzli - UI/UX and Design Inspiration Chrome Extension
Colorbox.io - Create accessible color systems 🎨
Design Hunt - Curated design inspiration for everyone
Checklist Design - The best UI and UX practices for production ready design.