GCal4Ruby is a Ruby Gem that can be used to interact with the current version of the Google Calendar API. GCal4Ruby provides the following features: Create and edit calendar events, Add and invite users to events, Set reminders, Make recurring events.

GDocs4Ruby is a full featured wrapper for version 2.0 of the Google Documents API (aka DocList). GDocs4Ruby provides the ability to create, update and delete google documents, metadata and content. The gem also includes support for folders, modifying permissions for documents via ACL feeds, and much more.

This lib/tool syncs your Outlook calendar with your (private) Google calendar. The synchronisation is only one-way: Outlook events are pushed to your Google Calendar. All types of events (including recurring events like anniversaries) are supported.