LDC Word Aligner
LDC Word Aligner is a software tool used for manual annotation of word alignment developed to support Arabic-English and Chinese-English word alignment tasks. It has a clean, easy-to-use interface. Since its development in 2009, LDC has used LDC Word Aligner to generate over 1,000,000 tokens of annotated word alignment data from a variety of genres including broadcast, newswire and web-based sources.
If you use Windows, an MSI-installer creates a start menu shortcut and bundles Python into the .exe. For all other uses, the user must install python.