Canada: Greens in theory, but NDP in reality
USA: Democrats... I wish we had more legitimate third parties
Mexico: bleh, if I was Mexican, probably PRI or PRD?
Brazil: Worker's Party I think.
rest of Latin America is rather unappealing in terms of ideological maturity.
Ireland: Green? Labour?
UK: Liberal Democrat
France: EELV, Far-Left, then Socialist
Switzerland: Greens
Belgium: Ecolo
Netherlands: GL
Germany: Green
Denmark: Socialist People's Party, Social Democrats, or Red-Greens (lots of fun!)
Norway: Socialist Left or Labour
Sweden: Green
Finland: Green League
Poland: Palikot's Movement
Israel: Meretz, Labour? rather depressing choices for a nation I love.
I don't know enough about the rest of the Mediterranean and Eastern Europe. I would hopefully just leave Russia... it's that bad.
South Africa: ...DA, maybe. ANC possibly if they weren't so corrupt. I liked IDs before they merged.
Zimbabwe: MDC
Japan: SDP, Greens, or DPJ; not sure how elections work here just yet.
Korea: United Progressive Party or Democratic United Party (how'd they lose the last election exactly?)
Hong Kong: The Frontier before their merger, lots of other choices; would probably depend on candidates and election style.
Burma: NLD
Singapore: Singapore Democratic Party, Worker's Party
Australia: Greens, Labour
New Zealand: Greens