GCC C Preprocessor (cpp) - Top (The C Preprocessor)
AnyCase - AnyCase App is an multi-program direct in-place case converter for Windows.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
NimbleText - NimbleText is a text manipulation and code generation tool available online or as a free download.
xmllint - command line XML tool
caseconverter.pro - The case converter that thinks ahead incl. JSON conversion