A private messenger for Android.

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Firebase Quickstart Samples for Android

An anti-bikeshedding Kotlin linter with built-in formatter

Lightweight vault and password manager for Android, KeePassDX allows editing encrypted data in a single file in KeePass format and fill in the forms in a secure way.

The easiest HTTP networking library for Kotlin/Android

Bringing Astrid Tasks back from the dead

GPP is Android's unofficial release automation Gradle Plugin. It can do anything from building, uploading, and then promoting your App Bundle or APK to publishing app listings and other metadata.

A premium app for managing and editing your photos, videos, GIFs without ads

DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.

A JSON parser for Kotlin

A ktlint gradle plugin

Libre Survival Manual for Android with offline in mind

The SMS Gateway for Android™ app enables sending and receiving SMS messages through an API that can be accessed directly on the device or via a cloud server when direct device access is not possible.

Slack android clone with Jetpack Compose!

A Kotlin Multiplatform Slack clone using gRPC

RestSMS starting a Rest-API-Service on your Android-Device for sending SMS

Matrix bridge, that allows you to bridge matrix rooms to SMS with one telephone number only.