- Singapore Democratic Party
 - Official site of the Singapore Democratic Party. Includes news, party views, and member information. - Singapore People's Party
- Official site of the Singapore People's Party, member of the Singapore Democratic Alliance (SDA). Includes party information, news, and more.
- Workers' Party
- Official site of the Workers' Party. Includes news, party manifesto, officials, members of Parliament and candidates running for the 2006 general election.
- People's Action Party (PAP)
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