As of the most recent update from Elections Canada, the following parties have one or more candidates registered for the general federal election:

7    Animal Alliance Environment Voters Party of Canada
75   Bloc Quebecois
12   Canadian Action Party
46   Christian Heritage Party of Canada
20   Communist Party of Canada
307  Conservative Party of Canada
1    First Peoples National Party of Canada
303  Green Party of Canada
54   Independent
307  Liberal Party of Canada
22   Libertarian Party of Canada
5    Marijuana Party
69   Marxist-Leninist Party of Canada
308  New Democratic Party
5    No Affiliation
10   Pirate Party of Canada
9    Progressive Canadian Party
13   Rhinoceros Party
3    United Party of Canada
4    Western Block Party

Vote Pirate, vote often.

Note: Only the NDP have 308 registered candidates at this point.