The Arab Democratic Nasserist party, Al-Wefaq al-Qawmi, Al-Motamar al-Shaabi and Al-Karama announced their alliance in a statement read out by Nasser's son Abdel Hakim at his father's tomb.
The announcement comes on the 42nd anniversary of Nasser's death.
The new Nasserist Party, which has yet to elect a leader, said it seeks to pursue the goals of the 2011 uprising that toppled veteran strongman Hosni Mubarak
...The former President-for-Life of Egypt, dumped by popular demand in early 2011...
and work for "freedom, social justice and human dignity."
The move comes as a range of political parties and movements seek to form stronger alliances ahead of the next parliamentary elections, which are due to take place after a new constitution has been drafted and put to a referendum.
Earlier this month, 10 leftist parties and movements announced the formation of the Democratic Revolutionary Coalition (DRC) in a bid to confront what the coalition called efforts "to turn Egypt into a religious state."
Former Arab League
...an organization of Arabic-speaking states with 22 member countries and four observers. The League tries to achieve Arab consensus on issues, which usually leaves them doing nothing but a bit of grimacing and mustache cursing...
chief and Egyptian presidential candidate
Jerry Lewis doppelgänger Amr Moussa... who was head of the Arab League for approximately two normal lifespans, accomplishing nothing that was obvious to the casual observer ...
has established the Egyptian Conference Party, which brings together an alliance of 25 liberal and leftist parties.
Secular parties have lagged behind since the uprising that toppled Mubarak and saw Islamists catapulted to the forefront of politics.