Spectrum 2

Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks.

Communication GPL-3.0 C++

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Fetched · June 5, 2026

★ 416 Latest: 2.2.1 Updated: June 3, 2026

README

![](http://spectrum.im/animation.gif)

Spectrum 2 is an open source instant messaging transport.

It allows users to chat together even when they are using different IM networks.

It acts as a transport layer between the users as showed in the animation above.

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