Padlet - Visual boards for organizing anything.

share.link - A fast and easy way to organize and share your links

Pinterest - Pinterest is a visual discovery tool that you can use to find ideas for all your projects and interests.

Spectrums - Share what matters to you.

Pearltrees - Pearltrees is a place to organize all your interests. It lets you organize, explore and share everything you like.

netboard.me - netboard.me allows you to combine all your content into a beautiful single web page.