Datum
Offline topo, satellite and public land maps. No account, no ads, no tracking.MIT
AniSync
Offline-first AniList client for anime and manga tracking with widgetsGPL-3.0-only
Fractals by Girino FOSS
Explore Mandelbrot and related fractals offlineBSD-2-Clause
Logic Labs
A pocket digital-logic lab — breadboard, 74xx TTL chips, offline coursework.GPL-3.0-only
Whisper: RSS Reader
Private news from the sites you choose. No account, no tracking, works offline.GPL-3.0-or-later
Currency Converter
CBR & market rates: my currency, favorites, offline cache, daily summaryMIT
Épione
Offline directory of French health facilities (FINESS open data).GPL-3.0-only
Mushotoku
A private, fully-offline productivity app for focusing on what mattersGPL-3.0-or-later
MetroVault
Air-gapped Bitcoin signer for offline cold storage. QR-only, no network.GPL-3.0-or-later
Lantern Sudoku
Calm, readable sudoku with hints that teach. No ads, no game over, offline.GPL-3.0-or-later
Clockwork: 2FA Authenticator
Offline 2FA authenticator: TOTP codes, no network permission, no accounts.MIT
Twist Cubee
Offline 3D cube puzzle from 2×2 to 20×20 with timer, solver and hintsMIT
Martial Body
Offline 24-week MMA preparation trainer. No ads, no tracking, no cloud.GPL-3.0-or-later
SeniorPath
From mid-level to senior: system design, real outages, AI at work. Offline.MIT
508.dev Soundboard
Mix looping ambient sounds, each at its own volume. Offline, free, no ads.GPL-3.0-only
Tallybook
Private, offline-first expense and budget tracker, no account requiredGPL-3.0-or-later
FitForge
Offline fitness & nutrition tracker with optional AI coachingApache-2.0
Bible Notify
Free and open-source, offline daily Bible verse notification app for AndroidGPL-3.0-only
CryptoSafe
Offline AES-256-GCM text encryption with Argon2id, no internet permissionMIT
Supernova Launcher
A deeply customizable, offline home screen with gestures, folders and a feed.AGPL-3.0-or-later