Ejabberd vs. MongooseIM: Unraveling the XMPP Server Dilemma

Ejabberd vs. MongooseIM: Unraveling the XMPP Server Dilemma


When it comes to building real-time communication applications using XMPP (Extensible Messaging and Presence Protocol), developers often find themselves debating between Ejabberd and MongooseIM. Both servers offer powerful features, scalability, and flexibility, making the decision-making process critical. In this blog post, we will delve into the strengths and differences of Ejabberd and MongooseIM, providing you with the necessary insights to make an informed choice for your project.


Ejabberd, an open-source and highly scalable XMPP server written in Erlang/OTP, has gained immense popularity due to its exceptional performance and stability. Let’s explore its key features:

  1. Scalability and Performance: Ejabberd’s Erlang-based architecture allows it to handle a massive number of concurrent connections efficiently, making it an ideal choice for large-scale messaging applications.
  2. Modularity: One of Ejabberd’s strongest points is its modular design. It offers an extensive range of core and community-contributed modules, allowing developers to extend and customize the server based on their specific requirements.
  3. Clustering: Ejabberd supports clustering, enabling load distribution across multiple servers to achieve high availability and fault tolerance.
  4. Protocol Support: In addition to XMPP, Ejabberd also supports other protocols like MQTT, SIP, and WebSocket, making it versatile for various real-time communication needs.

Ejabberd vs. Prosody: A Battle of the XMPP Titans


MongooseIM is another open-source XMPP server written in Erlang, based on the ejabberd codebase. It focuses on performance, reliability, and ease of use, providing an attractive alternative to Ejabberd. Let’s explore its key features:

  1. Reliability and Performance: Like Ejabberd, MongooseIM boasts high performance and reliability, ensuring a seamless real-time communication experience.
  2. Ease of Use: MongooseIM is designed with a user-friendly interface and easy setup, making it an excellent choice for developers who prefer simplicity.
  3. Clustering: Similar to Ejabberd, MongooseIM supports clustering to achieve horizontal scalability and improved fault tolerance.
  4. Mobile Push Notifications: MongooseIM offers built-in support for mobile push notifications, making it an appealing choice for developers building messaging applications with push capabilities.


Features Ejabberd MongooseIM
Scalability Highly scalable Scalable and reliable
Modularity Extensive module support Based on ejabberd codebase
Clustering Supports clustering Supports clustering
Protocol Support XMPP, MQTT, SIP, WebSocket Primarily XMPP
Ease of Use Requires some configuration User-friendly, easy setup
Language Erlang/OTP Erlang
Mobile Push Support Requires additional plugins Built-in push notifications
Community Support Active community Supportive community

In conclusion, both Ejabberd and MongooseIM are solid contenders for XMPP server solutions, each catering to different project requirements. If you need a highly scalable, modular, and versatile XMPP server with extensive protocol support, Ejabberd may be the better fit. On the other hand, if you prioritize ease of use, built-in mobile push support, and reliability, MongooseIM could be the right choice for your project.

Ultimately, the decision should be based on your specific needs, existing technology stack, and the level of support required. Both servers have proven their worth in various real-time communication applications, so carefully assess the features that align with your project’s objectives before making your final decision.

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