GEDKeeper - opensource and crossplatform genealogy management program
Deed and people mapping for genealogists and local historians
A Collection of Gedcom Files from Famous Family Trees
A calculator to work with historical dates and calendars.
HistoryLoc is a practical system to track place names over time.
Convert between calendars and work with date ranges.
A cross-platform transcription application.
World history plays out down to street level on a detailed map.