Legacy plays very nicely with several add-on programs and we sell them in our store; however, we do not own these products so we don't do technical support for them.
If you need technical support for any of the add-on programs, you will need to contact these programs directly.
Charting Companion, Genlines and Map My Family Tree
Clooz
Families
GenMatcher, GenSmarts and GenViewer
GenSmarts
Heritage Collector
Pocket Genealogist
TreeDraw