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Software · Utilities & files

eFatura

E-Invoice Usage Inquiry from Tax or TR Identity Number.

  • Completely free
  • Linux
  • Open source

Overview

Features described in its Flathub listing: command-line 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
  • “It is available as a native GTK4/Libadwaita desktop application, a command-line tool, and a Python library, so you can check a result the way that fits your workflow.” — Flathub, 10 November 2026

At a glance

All of eFatura is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-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

eFatura checks whether a given Tax Number or Turkish Identity Number (TC Kimlik No) is registered for e-invoice usage, by querying Turkey's official e-invoice inquiry system operated by the Revenue Administration (Gelir İdaresi Başkanlığı). It is available as a native GTK4/Libadwaita desktop application, a command-line tool, and a Python library, so you can check a result the way that fits your workflow.

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: 9 November 2026
  • Description from Flathub — AppStream (Flathub)

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