Galene

KomunikaceMITFreeWebSelf-Hosted

Lightweight videoconference server optimized for large groups with low bandwidth requirements

GitHub Repository Official Website

GitHub stars

Alternative to

Zoom

Komunikace

Betterbird

Enhanced Thunderbird fork with improved UI, better search, and quality-of-life patches

MPL-2.0Free

WeeChat

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

GPL-3.0Free

Rocket.Chat

Team communication hub with messaging, video calls, file sharing, and omnichannel support

MITFreemium

Mautic

Marketing automation platform with email campaigns, landing pages, and lead management tools

GPL-3.0Free

Papercups

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

MITFree

Linphone

SIP-based voice and video communication client for internet telephony on desktop and mobile

GPL-3.0Free

Galene

GitHub stars

Alternative to

Betterbird

WeeChat

Rocket.Chat

Mautic

Papercups

Linphone

Recenze

Galene

GitHub stars

Alternative to

Betterbird

WeeChat

Rocket.Chat

Mautic

Papercups

Linphone

Recenze

Galene

GitHub stars

Alternative to

Related Alternatives

Betterbird

WeeChat

Rocket.Chat

Mautic

Papercups

Linphone

Recenze

Galene

GitHub stars

Alternative to

Related Alternatives

Betterbird

WeeChat

Rocket.Chat

Mautic

Papercups

Linphone

Recenze