- Conservative Socialism - A type of socialism which believes in conservative teachings, which are considered old in modern times.
- National Communism - Some contemporary national communists such as Gennady Zyuganov subscribe to the idea of the Old Left.
- Utopian Socialism - The type of socialist prominent in the world before its usurping from that position by Karl Marx's idea of scientific socialism.
- Classical Social Democracy - The more radical precursor to modern social democracy, also known as "the proletarian movement".
- Hard Left - The "Hard Left" faction of the Labour Party, which held radical views compared to the Soft Left and especially the New Labourites.