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Firefox Sync - Bring your Firefox bookmarks, tabs, or passwords wherever you go with Firefox Sync. Share between computers and mobile devices. Get Firefox now!
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Curler - Dead Simple Free Uptime Monitoring
Diigo - Diigo is a powerful research tool and a knowledge-sharing community