List of free and open-source Android applications - Wikipedia
Chat SDK supports the three leading open source XMPP servers – ejabberd, OpenFire and Tigase. They are rock solid, massively scalable, infinitely extensible open source XMPP servers. The free community versions can be hosted on your own server while the supported business edition can power applications with millions of concurrent connections. Best Open Source Apps For Android QKSMS is a good option to get rid of a default text messaging app on your phone. This open-source Android app enables features like its customizable them, recovery of messages and Per-contact notifications to prioritize and classify the text messages. Furthermore, it comprises night mode and MMS sharing option too. Image source- droidlessons.com 9. Android Messages Alternatives and Similar Software
Android, iOS and Website - Chat API and SDK for Messaging
Chomp SMS is an old classic and it’s still one of the best messaging apps. The app has evolved with every new Android release to stay fresh. Some of the best features include quick reply pop-up,
QKSMS. QKSMS is an open source replacement to the stock messaging app on Android. It is currently available on the Google Play Store and on F-Droid. Reporting bugs. A great bug report contains a description of the problem and steps to reproduce the problem.
7 Best Secure Messaging Apps | Beebom Feb 10, 2020 Implementing Enterprise Telephony | Android Open Source Jan 06, 2020 The Best Encrypted Messaging Apps for iOS And Android Powered by the open-source Signal Protocol, the app secures your conversations end to end. For Signal users, privacy is part of the app’s DNA, and it works the same way with every communication, May 02, 2020 · Maybe the favorite open-source encrypted messaging Android app of the majority of people. Telegram is an encrypted messenger just like WhatsApp and supports end-to-end encryption when choosing the “secret chat” option. It also has all the other things you would want from a messenger like group chats and photo/video sharing. Source code: GitHub