Editor’s Summary. Founded in 2000, SDC (Swingers Date Club) is one of the oldest and best-known swingers’ communities on the internet. Aimed at both singles and couples, SDC provides a Swingers Dating Club is quite a unique platform, especially compared to traditional dating sites, which focus on one-on-one interaction. SDC focuses on providing its target audience of swingers and swinger couples with specially tailored events and parties.