latexdiff is queued for analysis. Crawling candidates and ranking them takes a few minutes. This page updates itself when the list exists — you can also come back later.
What is known so far comes from the other direction:
These projects were analysed and named latexdiff among their alternatives. The relationship is not symmetric — how latexdiff rates them is a separate judgement, made when latexdiff is analysed in its own right.
calls latexdiff “Choose when comparing LaTeX source files and producing a LaTeX diff with semantic markup rather than plain text lines.”
WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.