WeeChat

CommunicationGPL-3.0FreeLinuxmacOS

Fast and extensible IRC client with multi-protocol support and scripting capabilities

GitHub Repository Official Website

GitHub stars

Alternative to

Slack

Communication

Discord

Communication

Papercups

Open-source live chat widget for websites with real-time messaging and Slack integration

MITFree

Zulip

Organized team chat with topic-based threading that combines email and chat for productivity

Apache-2.0Freemium

Revolt

User-first chat platform built with modern web technologies as an alternative to Discord

AGPL-3.0Free

Wire

Secure collaboration platform with encrypted messaging, video calls, and file sharing for teams

GPL-3.0Freemium

Session

Anonymous messenger requiring no phone number with decentralized network and end-to-end encryption

GPL-3.0Free

Zammad

Web-based helpdesk and customer support system with email, chat, and social media integration

AGPL-3.0Freemium

WeeChat

GitHub stars

Alternative to

Papercups

Zulip

Revolt

Wire

Session

Zammad

Reviews

WeeChat

GitHub stars

Alternative to

Papercups

Zulip

Revolt

Wire

Session

Zammad

Reviews

WeeChat

GitHub stars

Alternative to

Related Alternatives

Papercups

Zulip

Revolt

Wire

Session

Zammad

Reviews

WeeChat

GitHub stars

Alternative to

Related Alternatives

Papercups

Zulip

Revolt

Wire

Session

Zammad

Reviews