Observed arrival · 2026-10-25

Lineagesmith’s browser-based genealogy toolkit

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A collection of free browser-based tools for working with GEDCOM family-tree files, calculating kinship, converting historical dates, and preparing printable charts.

Landing page captured for the 2026-10-25 issue.

For: People organizing family trees or checking kinship
Worth noticing: The kinship terms tool covers 99 relatives and distinguishes entries with cited sources from those still unconfirmed.

Field notes

The tool list spans file inspection, relationship calculations, date conversion, and chart preparation. Some outputs can be saved or printed, while the kinship-terms section supports side-by-side comparison of up to four languages and labels entries as sourced or unconfirmed. The inbreeding calculator describes showing its calculation steps, rather than only returning a coefficient.

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