Google CS First: cs-first.com Even if you do not have the resources to start a full fledged club, you can sign up to be a Guru and support a club near you.
Scratch Day: day.scratch.mit.edu Share your love for programming with others if only for a day.
Raspberry Jam: raspberrypi.org/jam Get together with fans of the Raspberry Pi.
Code Club: codeclub.org.uk Coders in the UK can volunteer here.
Teamspeak: teamspeak.com An app to talk online.
Doodle Poll: doodle.com find the best time for your meetings.
Facebook Groups and Events, Google Calendar, etc.: I know, you probably already thought of this.