Best Open Source Messaging Platforms 2026

Messaging Platforms

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Browse free open source Messaging platforms and projects below. Use the toggles on the left to filter open source Messaging platforms by OS, license, language, programming language, and project status.

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1

Facebook SDK for Android

Used to integrate Android apps with Facebook Platform

This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub. A secure and convenient way for people to log into your app or website by using their Facebook credentials. Enable people to post to Facebook from your app. People can share, send a message, and share to stories. Understand people's actions in your app and measure the effectiveness of your Mobile App Ads. Get data in and out of Facebook's social graph, query data, post stories, upload photos and perform other tasks.

Downloads: 5 This Week

Last Update: 2025-07-25
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2

Dolphin Pro - Social Network Platform

Open-source social network CMS and mobile apps.

Dolphin Pro is a full-featured integrated Social CMS. Dolphin includes media server, video converter, media sharing modules, social profiles, chat, messenger, timeline, events, groups, store, blogs, forums and more.

7 Reviews

Downloads: 3 This Week

Last Update: 2019-04-18
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3

UNA

PHP & MySQL based CMS with messenger

Full featured CMS with social features. It has limited functionality by default and can be extended with additional modules. Additional modules includes such features as Education solution, Video Messenger, Events, Polls, Tasks, Forum, Market, Videos, Video Streaming and more

1 Review

Downloads: 3 This Week

Last Update: 2025-10-23
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4

Elmaz Messenger

Elmaz Messenger is web based message system.

Downloads: 0 This Week

Last Update: 2013-04-25
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