Large Text File Viewer This program was designed for viewing large (>1GB) text files. It uses little memory and is able to open a gigabyte file instantly.
Duplicate File Finder Freeware duplicate fle finder with various scanning methods and tons of features.
FreeSplit Split large files into smaller pieces and re-join them with FreeSplit.
SFVManager Freeware batch checker/manager of SFV files
Files Comparer Files Compare is a full featured merge tool.
JASP - Just Another File Split Program JASP is an File Spliting Utility.You can use this utility to Split Large files into smaller parts & merge them together when required.