Sun Trap: Pub Sun Finder

Seating plan helps teachers build a classroom seating chart quickly: place your students automatically according to your own rules, then fine-tune by hand with a simple drag and drop.

Musicolet — a simple offline music player for local audio files with support for multiple queues, equalizer, tag editing and widgets, working without internet or ads.

Calculator for simple and complex calculations with percentage computation capabilities — convenience without ads.

A minimalist notepad for creating simple text notes with page navigation via swipe, without ads or cloud sync.

An app for viewing and saving maps offline with support for multiple map sources (OpenStreetMap, USGS, Soviet topographic maps), markers and routes. Works without internet after downloading maps, but has stability issues with loading and search.

Free offline navigation and place search app using OpenStreetMap maps without internet connection, featuring turn-by-turn voice navigation, route recording, and support for walking, cycling, and driving routes.

True Random Generator is a lightweight offline toolkit for quick, practical randomization—perfect for everyday decisions, games, and testing.

Used by schools and families worldwide since 2011.