gibby/ferdi

Ferdi is a free, open-source messaging aggregator that combines over 100 communication services (like Slack, WhatsApp, and Discord) into a single, cross-platform desktop application. It's a community-driven fork of Franz that removes paywalls and adds productivity features such as workspaces, advanced notification controls, and enhanced privacy options. It's designed for professionals and power users who need to manage multiple messaging accounts efficiently without switching between separate