Gmail Unsubscriber - Open source alternative to Unroll.me for Gmail
gSyncit - gSyncit Outlook Cloud Synchronizer. Outlook Calendar, Contact, Task, Note Synchronizer supporting Google, Toodledo, Evernote, Informant, iCloud, AOL, Yahoo, Synology, Fruux, Memotoo and CalDav/CardDav services.
Leave Me Alone - Easily unsubscribe from unwanted emails 💌
Outlook CalDav Synchronizer - Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google...
Trimbox - One-click unsubscribe for mailing lists, straight from Gmail
Outlook Google Calendar Sync - Offers calendar synchronisation between Outlook and Google, including attendees and reminders.