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Editorial Open Source

The dangers of free cloud-based storage

A few days ago, Google Docs locked out many users from their documents, claiming they violated their Terms of Service, despite being innocuous. Here is why this will continue to happen what you can do to not run into this problem yourself.

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How-to Open Source

Modern ejabberd configuration

ejabberd is one of the most widely used XMPP servers. It is easy to get it running for text-based messaging with a few configuration changes. However, to obtain a smoothly running modern feature set is harder. The configuration documentation is detailed, but even for a seasoned systems administrator or XMPP guru, a lot of questions […]

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Editorial Open Source

XMPP server hands-on comparison: ejabberd vs. Prosody

Having been involved in testing an open-source XMPP web client (JSXC) against ejabberd and Prosody, I have noticed the following differences that I would like to share, to make it easier for you to decide. Please note that I have done more with ejabberd, so there will naturally be more nitpicking there, but also more […]

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General Open Source

Open Education Day 2017: Open Source Solutions for Schools

/ch/open invites to the Open Education Day: Saturday, 29 April 2017 in Windisch. We present JSXC, an easy way to extend any web application into a communications hub, e.g. for learning applications.

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Open Source

JSXC 3.1 released: Interoperable open standards chat for any web application

With only a few lines of code, JSXC can turn any web application into a cooperation hub: Standards-compliant instant messaging, group chat, and audio/video calls suddenly are just a click away for your users. And all with security, privacy, reliability, and user-friendliness in mind. For ownCloud/Nextcloud directly in their app repositories, and not much more […]

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Editorial Open Source

XMPP: Chat with a Future

XMPP is the Extensible Messaging and Presence Protocol standardized by the IETF. This standard provides the framework for doing anything you want to do with chat, and more. Why is XMPP (formerly known as Jabber) not the mainstream chat protocol? Actually it is. It is the most secure messaging standard: battle-tested, independent, and privacy-focused. And […]

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Open Source

Interoperable Chat in Your Web Browser: JSXC 3.0 released

Open, standards-compliant and interoperable chat sounds like a boon. However, proprietary and closed systems (WhatsApp, Facebook chat, Google Hangouts, …) are often easier to deploy, as they are nicely integrated in existing ecosystems. The freshly-released JSXC 3.0 shows that this is not necessary.

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Publications

JSXC: Adding Encrypted Chat with 3 Lines of Code

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Publications

Chat in Forschung und Lehre? Sicher!

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Publications

Interactive web sites for efficient cooperation based on open standards

We published a position paper in German.