LinkLocker - LinkLocker is a lightweight bookmarking service with an emphasis on privacy.
LinkBoard - LinkBoard is a quick and easy way to save and share links. LinkBoard lets you:
Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
Getodo - colorful lightweight multi-level to-do list on Android, iOS, web.
Myvidster - MyVidster is a social video sharing and bookmarking sites that lets you share and collect your favorite social videos you find on the web.