gSyncit

Great solution for syncing Outlook Calendars and Contacts with Apple iPhone, Palm Pre, and Android G1 phones with Microsoft Outlook through Google Calendar and Gmail.

KEY FEATURES:

Supports new Google API platform and new Toodledo v3 API platform
ONE and TWO WAY syncing of Outlook calendars, contacts, notes and tasks.
Sync with Google, Dropbox, Simplenote, Toodledo, Evernote, Nozbeand Pocket Informant
Sync Outlook categories with Google calendar event colors.
Sync with multiple Outlook profiles and service accounts (e.g. multiple Google accounts).
Automatically matches entries to prevent duplicate items when syncing.
Automatically sync items on a regular interval, between certain hours of the day, and/or when Outlook starts/exits.

Detailed sync options to control how and what you want to sync.
Keyword and Outlook category filters to control the Outlook content you want to sync.
Advanced options to sync Outlook items based on categories.
Supports syncing tasks that follow the Getting Things Done! (GTD) methodology.