Sqworl provides an easy way to list a collection of links and share those using one Sqworl link.

Each link is presented as a thumbnail and it is possible to give brief notes for each as well.
You can also take notes below each Website thumbnail.

For example: see this collection of formulae for Shape, Space and Measure required for the GCSE Mathematics syllabus my students study.

Other applications to provide lists of links include LiveBinders and SimplyBox.