UI Patterns Anders Toxboe provides code examples and guidelines for common interaction patterns.
Welie.com - Patterns in Interaction Design Best practices that can be use when designing UX, collected by Martijn van Welie.
"Designing Interfaces: Patterns for Effective Interaction Design" A collection of patterns included in Jenifer Tidwell's book.
Patternry a mix of UI design pattern library and user interface gallery.
Open Design Patterns Florian Grassle shares knowledge in an open community manner.
Endeca UI Design Pattern Library presents ways to solve common ui design problems related to search, faceted navigation and discovery.
Pattern Browser is produced by Christian Behrens of the Fachhochschule Potsdam (University of Applied Sciences).
Fellowship Patterns by the Product Development department of Fellowship Technologies
User Interface Design Patterns Started in 2003 by Sari A. Laakso, University of Helsinki.
Interaction-Patterns.org a wiki collection of interaction patterns.
Wiki Patterns a toolbox of patterns & anti-patterns, and a guide to the stages of wiki adoption, created by Stewart Mader and his team.
Designing Social Interfaces a pattern collection for social interfaces by Christian Crumlish and Erin Malone.
Information Design Patterns a collection that describe distinct methods for the display of interactive information graphics, their active behavior as well as the forms of user interaction with them.
Dark Patterns by Harry Brignull, dark patterns are not mistakes, they are carefully crafted with a solid understanding of human psychology and with a special, destructive purpose in mind.
HCI patterns for safety-related environments is a set of patterns for safety-related sites by Thomas Zahler.
Interaction Design Pattern Library for Games a collection of proven solutions to frequent usability and accessibility problems in games by Eelke Folmer.
Pattern Tap Interface Design Collection for Inspiration and Fun.
Elements of Design Different type of web design showcase focusing on specific aspects of web design.
Mobile Design Patterns by Little Springs Design.
Mobile-Patterns by Mari Sheibley
Lovely UI by Diana Frurip