Muzli - UI/UX and Design Inspiration Chrome Extension
Heurix.io - Heurix is a free heuristic evaluation tool that helps you work out how to improve your website.
UI Garage - Specific mobile and web design patterns for your inspiration
UX Companion - A handy glossary of UX theories, tools and principles (iOS)
Design Hunt - Curated design inspiration for everyone
Heurio - Do website reviews faster. Heurio eliminates the administration process and lets you focus on creating value in a collaborative and user-friendly way. Perfect for heuristic evaluation, design and development review, bug report, QA testing and more.