The internet provides open access to a tremendous amount of information, including peer reviewed, scholarly material. However, be mindful of your sources. Consider the following:
Authority - Who is the author? What is their point of view?
Purpose - Why was the source created?
Publication & Format - Where was it published?
Relevance - How is it relevant to your research?
Date of Publication - When was it written?
Documentation - Did they cite their sources?
CodePen - A social development environment for front-end designers and developers.
Flat UI Colorpicker - A great site on color schemes and codes if you want to create a preeminent flat style interface design.
Freebiesbug - Resources for web design including templates, UI, and plug-ins.
IXDA - The Interaction Design Association website features everything from networking opportunities to insightful essays, news, and awards.
Mbryonic Installations - While this is a promotional site for Mbryonic products, it also provides good insight, essays, and virtual reality news. It serves as a general guide to interactive installations.
Stanford AI Lab Blog - The Stanford Artificial Intelligence Lab (SAIL) Blog is a place for SAIL students, faculty, and researchers to share their work with the general public.
Tech & All - A fully-equipped website for web design resources such as materials about code, template, visual design, UI kits, UI elements, and navigation design.
UX Checklist - A professional checklist for user experience. You can follow it to review the stage of your project, whether you have already finished all the steps or not.