OSM Dashboard (Offline)

OpenStreetMap dashboard for OpenTracks without internet permissionApache-2.0

Offline Cook Book

Cooking app with simple minimalist recipes which does not require an internet coGPL-3.0-only

Taipei Youbike Offline

Find bike stations in TaiwanGPL-3.0-only

Organic Maps: Hike, Bike, Drive Offline

Navigate with Privacy - Community-Driven & Open-SourceApache-2.0

QuickDic

Offline translation dictionaryApache-2.0

Sumatora

Offline Japanese dictionaryGPL-3.0-or-later

Aard 2

Offline dictionaryGPL-3.0-only

BwareArea

An offline GPS based POI alerter with overlayMIT

Senreta Vortaro

Simple, offline English-Esperanto dictionaryApache-2.0

NextGIS Mobile

GIS that lets you create, edit and export geodata, both online and offlineGPL-3.0-or-later

Trekarta - offline outdoor map

Detailed offline topo maps for hiking, cycling, skiing and other activitiesGPL-3.0-or-later

PocketMaps

A completely opensource map viewer with (offline) navigation system.MIT

Forro Lyrics

Offline database of Forró lyricsGPL-3.0-only

WTF‽ (The MirOS Project)

Offline acronym translatorMirOS

Briar Mailbox

Receive encrypted messages while Briar is offlineAGPL-3.0-or-later

MapEver

Offline navigation on photographed mapsGPL-3.0-or-later

ePUBator

Offline PDF to ePUB convertorGPL-3.0-only

Geekttrss

A Tiny Tiny RSS reader with transparent offline modeGPL-3.0-or-later

OsmAnd~

Global Mobile Map Viewing & Navigation for Offline and Online OSM MapsGPL-3.0-only

OpenTapasReader

Read Tapas.io comics (with offline support)MIT