LibertyV - GTA V Resources Viewer
It is an experimental WIP tool to browse and extract files and resources from GTA V .rpf archives.
The purpose of this tool right now is especially for researching those files.
This is an open-source project, with the target that all the knowledge on the GTA V resources files will be public (and developers won't keep it for themselves), for better modding tools in the future.
An encryption key is required to run this program. It is illegal to distribute the key, but you can find programs that extract it.
The program expects the key (32 bytes of it) to be in a file named key.dat.
Please note that it is very early version of this tool, with a horrible and minimal GUI.
This tool is going to be updated frequently and many more features are going to be added. (including support of opening more resources files)