The documentation currently available for download is:
Beta Testing Notes Essential reading for all testers July 2015 Beta Testing.pdf
User Manual (part written) User notes and guidance 10th August 2015 FREDS User Manual.pdf
System Manual (just started!) System Structure, administration and Integration 10th August 2015 FREDS System Manual.pdf
Database Schema Database Structure: Tables and Views 26th July 2017 FRED_DBdoc.htm