The Socialist Workers' Party (SPT; Russian: Социалистическая партия трудящихся; СПТ; Sotsialisticheskaya partiya trudyashchikhsya, SPT), active from 1991 through 2001), was an all-Russian public organization; party of the left social democratic orientation. The SPT Program adopted at the 1st Congress states that the party "defends the interests of employees of mental and physical labor, collective and individual producers, whose source of income is personal labor and property."