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Software · Internet & communication

Zodia

Natal charts, transits & synastry.

  • Completely free
  • Linux
  • Open source

Overview

Features described in its Flathub listing: end-to-end encryption.

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
  • “All communication is end-to-end encrypted over QUIC — no central server stores your birth data, chart, or conversation history.” — Flathub, 10 November 2026

At a glance

Zodia 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
  • Commercial use allowed

About

Zodia calculates your natal chart and live planetary transits, and shows each aspect with interpretations drawn from a crowd-sourced pool. A curated baseline set is bundled in the app and always available offline, so you get meaningful readings from day one. Discover other Zodia users automatically. Nearby peers appear over mDNS on your local network; a global relay connects you to users anywhere on the internet. When two people exchange charts, shared aspects and synastry placements appear instantly alongside the community interpretations for those aspects. Connected peers can make direct voice calls. All communication is end-to-end encrypted over QUIC — no central server stores your birth data, chart, or conversation history.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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