The Anticapitalist Left (, GA), also known as Current for an Anticapitalist Project (, SAP), is a Belgian Trotskyist political party. It is the Belgian section of the Fourth International. In the 2010 election, (CP, LCR, PSL and PH) received 1.15% of votes for the Senat.
The party was long led by Ernest Mandel. It publishes and .
In May 1971, former members of the founded the (LRT) ( (RAL)) as the Belgian section of the Fourth International.
In February 1984, at its seventh congress, the LRT changed its name to (POS) ( (SAP)). At the end of 2005, the POS decided to change its French name to the (LCR).
On 9 October 2017, the LCR decided to partially change its name in French to the , while its Dutch name became (SAP).