Flowing Data is run by statistician Nathan Yau, author of Data Points: Visualization that Means Something and Visualize This: The FlowingData Guide to Design, Visualization, and Statistics.
Visualisingdata.com offers a directory of compelling infographics, how-to info, and more.
Your Friendly Guide to Colors in Data Visualisation A 2018 blog post by Lisa Charlotte addressing color choice, including links to useful tools.
Gustavo Faleiros created JEO, a WordPress theme for launching geodata-based sites. It allows news organizations, bloggers and NGOs to publish news stories as layers of information on digital maps.
The Data Visualisation Catalogue is an on-going project to “help you find the right data visualization method for your data”.
Data Viz Done Right, a blog that highlights data viz best practices around the web.
Visual Loop, a website that displays “the world’s best infographics and data visualizations.”
Helpmeviz aims to help people with everyday data visualizations, designed to facilitate discussion, debate, and collaboration from the data visualization community.