APIsentris - Build APIs instantly from MySQL, PostgreSQL, Google BigQuery and more
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.
UDAPTOR - Transfer your data between services with no effort
Outlook CalDav Synchronizer - Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google...
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Outlook Google Calendar Sync - Offers calendar synchronisation between Outlook and Google, including attendees and reminders.