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Software · Internet & communication

strom

Family tree application. Single HTML file, no server, your data stays with you.

  • Completely free
  • the web
  • Open source
  • No account

Overview

Features described in its GitHub repository and on its official website: attachments and offline use.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “People & Records • Add, edit, delete persons; multiple marriages, divorces, step-siblings • Adoptive, step and foster parent-child relationships (drawn distinctly) • Flexible dates ("around 1880", "before 1900", year…” — GitHub, 10 November 2026
  • “After the first visit, it works without internet too.” — official website, 10 November 2026

At a glance

strom is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (AGPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 8 November 2026
  • Description from github.com — Dépôt GitHub ACiDekCZ/strom (AGPL-3.0-only)

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