Android
openScale: Free Libre Body Metrics Tracker That Respects Your Privacy
Open-source weight and body metrics tracker, with support for Bluetooth scales
Android
Medical Applications for Android devices, for doctors, & patients. Including: DICOM, PACS, Anatomy apps, Educational apps, Medical Dictionaries, Medical social networks
Open-source
Drip is a Free Privacy-focused Menstrual Cycle and Fertility Tracking App
There are dozens of similar apps who track women menstrual cycle, and fertility, yet most of them comes with a high price, even if they look free: they are populated with ads, third-party trackers, and ads scripts which violate user's privacy. That's not the case of
Android
G-Droid: An Alternative Android Store for Open Source apps
G-Droid: A Better Alternative Android Store based on F-Droid Repository
Sport
Trekarta Is an Open Source App for Hiking, Cycling, and Off-road Activities
Trekarta (former MapTrek) is designed for hiking, geocaching, off-roading, cycling, boating and all other outdoor activities. It uses offline maps, so you do not need to have internet connection. Trekarta is developed as a hobby for personal use but is generously shared to public on as-is basis. Developers are welcome
Open-source
Diab is A Libre Diabetes Manager App for Android
Diab is a free Libre open-source journaling and logging application for Diabetes patients. It allows users to log their blood sugar, insulin usage, their insulin injections, and then offers an overall insights on the records. Diab records can be exported easily to a spreadsheet file that can be used with
Open-source
BRouter: An Open-source Offline-first Cycling Routing App
Configurable OSM offline router with elevation awareness, Java + Android
Open-source
Diaguard Is A Privacy-focused Open Source Diabetes Diary for Android
Diaguard is an Android app for people with diabetes mellitus.
Open-source
Kiwi Sync: Backup and Sync your Chrome Profile and Bookmarks
Kiwi Sync Open-source Chrome Extension for Bookmarks and Profile sync
maps
Organic Maps is A Free Offline Map App for iOS and Android for Outdoor sports
While we depend on technology so much, we also count on our internet connection, but what if we are doing certain outdoor activity in remote areas with bad or worse no connection. The idea solution for navigation is to use offline maps applications, that provide a browsable high resolution maps
Productivity
Butterfly: Note-taking with a Style
Powerful, minimalistic, cross-platform, opensource note-taking app
Android
SkyTube is The Best Free Safe YouTube Client for Kids
As many parents complain about YouTube in-video ads that target their kids, we find that it's our duty to find the best kids-friendly YouTube app alternative that protects your child privacy. So here, we introduce: SkyTube. SkyTube is not your regular YouTube app alternative, firstly, it does not
Education
Elementary: An Open-source Free Periodic Table Android App for Students and Teachers
Elementary is a free open-source Periodic Table of the Elements and element reference app for Android devices that is designed to work on big and small screens like tablets, mobiles and Android TV. The app is released under the MIT license, and it does not come with any ads, tracker