Checklist Design
Design Principles
Mobbin
Refero Design
5 Years of Design
UX Design Weekly
Laws of UX
Keep Design System
Diffinity
WinMerge
Meld
Beyond Compare
kdiff3
Diff Checker
Compare
P4Merge
Checklist Design
DiffinityDesign Principles - An open source repository of design principles and methods
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Mobbin - Latest mobile design patterns & elements library
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
Refero Design - The biggest collection of UX Patterns, UI Elements and design references from great web applications
Beyond Compare - Beyond Compare allows you to compare files and folders.