Mobile app · Everyday life

GDF HEMA Timer

A precise and minimal timer for HEMA training and sparring.

Completely free
Android
Open source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by F-Droid
License: GPL-3.0 — Open source (copyleft)confirmed by F-Droid
Open source: Yes
Commercial use: Yesconfirmed by F-Droid
Account required: not documented
Credit card required: Noconfirmed by F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid
Distribution: Available on F-Droid
Publisher: kstepanovdev
Latest version: 1.1.23 (27 October 2026)
Latest activity: 27 October 2026
Source code: github.com/kstepanovdev/gdf_hema_timer

Overview

GDF HEMA Timer is a timer and time tracking mobile app, available on Android.

Features described in its F-Droid listing and in its GitHub repository: 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

“A lightweight, open-source timer and scoring app for Historical European Martial Arts (HEMA) bouts.” — GitHub, 10 November 2026
“Designed for clarity, speed, and offline use during tournaments and sparring sessions.” — GitHub, 10 November 2026

At a glance

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

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
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 6 November 2026
Description from F-Droid — F-Droid (citation courte)

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