UpNote - A beautiful and clean cross-platform app for notes organizer
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.
Firefox Sync - Bring your Firefox bookmarks, tabs, or passwords wherever you go with Firefox Sync. Share between computers and mobile devices. Get Firefox now!
Note Board - Productivity app. Save information like a sticky notes.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community