Ejabberd source code#
It is not a problem when your own JavaScript code is interacting with a GPL-licensed backend. But this is only a problem when you use GPL-licensed javascript. When GPL-derived code is sent to and executed by the client, that code must also be licensed under GPL.
Ejabberd source software#
One thing web developers need to be aware of when they use GPL software is that the situation is different when you use GPL-licensed JavaScript, HTML or CSS code. ejabberd is a useful, free and open source instant messaging server written in Erlang. Check the features in ejabberd.im, ejabberd Docs, ejabberd at ProcessOne, and a list of supported protocols and XEPs. It can be extended in other programming languages, such as Elixir. Written in Erlang programming language, ejabberd is cross-platform, fault-tolerant, clusterable, very modular and highly versatile. Using eJabberd, we can easily setup an instant messaging server in minutes. There is the AGPL which closes this loophole by requiring to sublicense the work to everyone who interacts with the software via a computer network, but the normal GPLv2 does not include this clause. ejabberd is an open-source, robust, scalable and extensible realtime platform built using Erlang/OTP, that includes XMPP Server, MQTT Broker and SIP Service. ejabberd is a high performance Free and Open Source distributed fault-tolerant instant messaging Jabber server. ejabberd is an open source Jabber/XMPP server designed from the ground up to be the building bricks of highly critical messaging systems. Introduction ejabberd is a free, Open Source Jabber/XMPP instant messaging server, written in Erlang/OTP. As long as the software doesn't leave your server, the sourcecode doesn't have to leave it either. That means you do not need to license it to them. But when your program runs your own server, you are not distributing it to your users. You only need to open source a work derived from a GPL work when you distribute the work.
No, you don't need to open source your application.
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