Best Programming Languages To Build Chat App

Chat Apps are an easy way to incorporate user interactions and demand conversational inputs. Many organizations use Chat Apps like WhatsApp to conduct customer surveys and request user responses. Not to forget the use of Chat applications for frequent interaction with kinsfolk and friends.

The instant messaging features and swift responses keep us engaged for long. Currently, there are many developer-friendly technologies, language options, and tools that you can use to build Chat Apps. Some of these programming languages also allow you to incorporate real-time interaction to provide a more personalized user experience.

The majority of modern chat apps have noteworthy functionalities to provide a versatile chat solution. An ideal chat application can provide multiple potential solutions for personal interaction, enterprise-level communication, e-Commerce chat solutions, and business development communication. For this, the organizations are experimenting with various headway technologies and programming languages to create efficient Chat Apps.

Here are Some of the Best Programming Languages to Build Chat App


It is a chief programming language behind the development of the popular Whatsapp. The primary reasons for which this language is preferred for Chat App development are its sturdy performance, impressive speed, and remarkable scalability. You can update the code instantly on-the-fly to inculcate different functional optimization. The Chat App developed using Erlang can process a high volume of instant short messages at extremely low latency.


Another powerful open source programming language close to Erlang is Ejabberd. You can use the language to enhance operational efficiency and optimize anticipated results. Ejabberd uses the XMPP protocol for processing message delivery. Furthermore, it supports multiple pluggable modules to incorporate numerous features.


Another remarkable technology behind WhatsApp is FreeBSD that allows it to process billions of messages each day. FreeBSD operating system is extensively reliable and has a delicate network stack. You can easily install it and quickly create binary packages.


YAWS or Yet Another Web Server is primarily based on Erlang. You can use YAWS as an embedded web server in combination with other Erlang applications. It allows you to handle concurrent processes more efficiently and ensures high performance.


It is an open-source web server effectively optimized for better performance. Even WhatsApp uses this lightweight webserver to ensure security, flexibility, speed, and compliant features.


It is an open-source language primarily popular for its reliability, efficiency, and performance. You can use the language in combination with AJAX to manage, process, and display user data from the database. It is indeed a developer-friendly language to build a more responsive real-time chat app.


It is a virtual machine for running Erlang. BEAM supports a handful of built-in functions to incorporate essential features. Many modern Chat Apps Contus use the BEAM interface for incorporating different functions such as Processes, Schedulers, Message passing, Multi-core, and Memory Management.

Custom XMPP Server and HTML5 WebSockets

Many modern Chat Apps use a custom XMPP server to enable real-time message exchange. The XML format used by the server is human-oriented and cannot be read by machine learning. Further, these Chat Apps use HTML5 WebSockets to establish a firm connection between the server and the client web browser. Also, the data is sent directly to a socket which ensures faster, more persistent communication.

Mnesia DB

Every application requires a robust database solution. Mnesia DB is a real-time solution for database management based on the Erlang language. Many modern Chat Apps use the Mnesia DB to store user messages, enlist files, register images or videos, enlist documents, and store other multimedia files. You can potentially store any amount of data using robust technology like Mnesia DB.

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