All these groups shared an anti-fascist ideology, they were opposed to Italian nationalism and centralism, as well as to the Communist regime of the nearby Socialist Federal Republic of Yugoslavia.

Coming from different ideological background, but sharing similar programs, these groups soon established a close collaboration, creating many joint lists in municipal and provincial elections.

Between 1947 and 1954, a unitary action was hindered by the fact that the Slovene minority was split into two separate political realities, one in the Republic of Italy and the other in the Free Territory of Trieste.

Since the 2000s, the party has gathered some support also in the Province of Udine, especially in the so-called Venetian Slovenia: in 2013 it garnered 19.4% of the vote in Drenchia, 10.8% in Malborghetto Valbruna, and 7.5% in Resia.

The weekly journal Novi glas ("The New Voice"), published in Gorizia by the Hermagoras Society is also generally supportive of the party's program, policies and ideology, although it is sometimes critical towards its actions.