Coordinate Joker

A geocaching add-on – generates waypoints from formulas with up to 2 variablesGPL-3.0-or-later

xnotes

Handwriting notes and sketching app with stylus supportMIT

Linkstow

Unofficial Karakeep client: read, sort and clean up your self-hosted bookmarksGPL-3.0-only

Sudoku You

Offline Sudoku with logical hints, advanced notes and flexible import/exportGPL-3.0-or-later

Little Painter

Fullscreen toddler painting app that locks the phone to the canvasGPL-3.0-only

InkOrb

Physical ball painting: layers, pigment mixing, export.GPL-3.0-or-later

Poker Payout

Free, no ads, offline, no internet permission: poker clock, payouts and bankMIT

Let's Bend: Harmonica Tuner

Harmonica tuner for learning bending techniques with real-time visual feedback.MIT

ChemSearch

Search compounds, structures, reference and use practical chemistry tools.MIT

Sketching (PFA)

(SECUSO) Create sketches without advertisement or unnecessary permissionsGPL-3.0-or-later

Amaze File Utilities

Analyse, transfer and open files all in one app.GPL-3.0-or-later

Eat Poop You Cat

Eat Poop You Cat is a bit like telephone with writing and drawing.GPL-3.0-only

Red Moon

Screen filter for night time phone useGPL-3.0-or-later

GridLoad

Shows when to run your appliances, based on the dynamic electricity priceGPL-3.0-only

3D Model Viewer

Load 3D models and see how to do itMIT

MJ PDF

A simple PDF viewerGPL-3.0-only

BoatSpeedy

GPS speedometer and waterway navigation for boats, with battery analyticsMIT

ConnectFour Studio

Connect Four with 15 levels, 20 boards, match mode and perfect analysisAGPL-3.0-only

DesKilo

Coworking community app: desk booking + shared money, libre.0BSD

Key Mapper

Make shortcuts for ANYTHING! Remap volume, power, keyboard, or floating buttons!GPL-3.0-only