The People's Budget Campaign expects Finance Minister Trevor Manuel to respond to the pleas of the poor.
The campaign's affiliates include the South African Council of Curches, Cosatu and the South African National NGO Coalition.
The People's Budget Campaign urged Manuel, who will table his annual budget today, to implement a basic income grant to reduce poverty and inequality.
The campaign wants a monthly basic income grant to be paid to everyone legally resident in South Africa, regardless of age or income.
The campaign wants the grant to be no less than R100 and to be inflation-indexed.
Cosatu's secretary-general Zwelinzima Vavi said the government should stop claiming success on the basis of a slight improvement in people's lives.
"We will never give up the struggle while there is huge unemployment, poverty and inequalities. No amount of political rhetoric and propaganda will change the situation faced by the majority in our country," said Vavi.
Sangoco's spokesman, Zanele Twala, said Gautrain and the 2010 World Cup would not change the lives of poor people.
"We are all excited about the World Cup, but who will benefit from its spin-offs? - the poor won't," said Twala.
"The World Cup will not resolve the crises of unemployment and access to land."