Answer : (1). Synchronisation
Reason :
Definition Source Code Management Software :- A component of software configuration management, version control, also known as revision control or source control, is the management of changes to documents, computer programs, large web sites, and other collections of information. This provides end-to-end tractability from requirements to software code. Source Code Preview & Syntax Highlighting.
A project fork, also called a fork or forking, is the creation of a new branch of a software development project that is independent of the existing project.
A set of files under version control may be branched or forked at a point in time so that, from that time forward, two copies of those files may develop at different speeds or in different ways independently of each other.
So at last only Synchronisation (Synchronization) is not typically provided by Source Code Management Software.