1)   CSDiff 5.0
ComponentSoftware Diff (CSDiff) is a free, advanced file-difference analysis tool for Microsoft Windows.
visual compare, visual difference analysis, MS-Word difference analysis, version control, revision control system, software configuration management, programming tools, inexpensive case tool, source change control, program problem tracking,

 2)   CS-HTMLDiff 2.1.146
ComponentSoftware HTMLDiff (CS-HTMLDiff) is an advanced file-difference analysis tool for Microsoft Windows which analyzes & presents differences in HTML, XML, MS-Word and text documents.
file comparison, compare html files, visual compare, version control, revision control system, software configuration management, programming tools, inexpensive case tool, source change control, program problem tracking,