Best Communication Software Software & Apps (2025)

Best Communication Software Apps and Services

Handpicked collection of the most popular and highly-rated Communication Software applications

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Coccinella

Open Source

Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.

Psi

Open Source

Psi is a free instant messaging application designed for the XMPP network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and Mac OS X.

Linphone

Open Source

Linphone is a free voice over IP (VoIP) service and SIP client.

Miranda IM

Open Source

Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows.

Digsby

Open Source

Digsby provides you with IM, email and Social networks in one easy to use application.

Mumble

Open Source

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.

Showing 6 of results

Recently Added Communication Software Apps and Services

Latest additions to our Communication Software software collection

Coccinella

Open Source

Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.

Psi

Open Source

Psi is a free instant messaging application designed for the XMPP network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and Mac OS X.

Linphone

Open Source

Linphone is a free voice over IP (VoIP) service and SIP client.

Miranda IM

Open Source

Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows.

Digsby

Open Source

Digsby provides you with IM, email and Social networks in one easy to use application.

Mumble

Open Source

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.