Software · Everyday life

Subsurface

Name: Subsurface
Author: Subsurface

Subsurface can plan and track single and multi-tank dives using air, Nitrox or TriMix.

Completely free
Windows
Open source
No account

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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 Winget (Windows Package Manager)
License: GPL-2.0 — Open source (copyleft)confirmed by Winget (Windows Package Manager)
Open source: Yes
Commercial use: Yesconfirmed by Winget (Windows Package Manager)
Account required: Noconfirmed by Winget (Windows Package Manager)
Credit card required: Noconfirmed by Winget (Windows Package Manager)
Watermark: Not applicable
Ads: not documented
Platforms: WindowsEstablished by Windows: Winget
Publisher: Subsurface
Latest version: 6.0.5504

Overview

Features described in its Winget manifest: statistics and charts.

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

“Subsurface also calculates a wide variety of statistics of the user’s diving and tracks information like the SAC rate, partial pressures of O2, N2 and He, calculated deco information, and many more.” — Winget, 10 November 2026

At a glance

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

Its licence (GPL-2.0) 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 Winget (Windows Package Manager) (credit card, account, publisher, licence, free status, platforms, commercial use, version) — 8 November 2026
Last technical check: 8 November 2026
Description from github.com — Manifeste Winget (MIT)

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