App: Are.na for Safari
Developer: When It Changed Inc.
Genres: Productivity, Social Networking

You can build simple collections of content by adding links and files of any kind. Connect ideas with other people by collaborating privately or building public collections for everyone.

With no ads, likes, or recommendations, Are.na is a more mindful space where you can work through any project over time. It's a place to structure your ideas and build new forms of knowledge together.

Release notes:
Connect search settings added. Now you can scope your search to only the channels that you are actively contributing to.