Most of its members were formerly in an opposition grouping within ÖDP,[1] named Sosyalist Eylem Platformu (Socialist Action Platform).

They defended closer ties with pro-Kurdish DEHAP and radical left and campaigned against privatisation and European Union membership.

In the summer of 2005, it announced a Sosyalist Forum for negotiations of a broader unification, which proved to be futile.

At 2007 elections, it declared support for the independent candidates of Democratic Society Party.

Following a major internal dispute, a number of founding members, including Mihri Belli, a prestigious name of the Turkish left, resigned in 2008.