Self-hostable software: Custom Communications (66)

An open-source, secure, fully customizable communications platform for team collaboration and messaging.

Novu is an open-source communication infrastructure platform for sending and managing multi-channel notifications and agent conversations through a single API.

Mattermost is a self-hosted collaboration platform for chat, workflow automation, voice calling, screen sharing, and AI integration.

An open-source, self-hosted customer support platform for managing conversations across channels.

ntfy is a simple HTTP-based pub-sub notification service for sending push notifications to phones or desktops via scripts and PUT/POST requests.

Buzz is a self-hostable workspace where humans and AI agents collaborate in shared rooms backed by a signed event log.

Zulip is an open-source team chat app with topic-based threading for organized live and asynchronous conversations.

LiveKit is an open source, scalable WebRTC media server for building real-time video, audio, and data experiences.

A private messaging platform with no user identifiers, offering encrypted chat, groups, and calls across mobile and terminal apps.

A lightweight notification library and CLI that sends messages to many popular notification services.

Gotify/server is a self-hosted message server for sending and receiving real-time notifications.

OpenWA is an open-source WhatsApp API gateway for developers, offering REST access, webhooks, a web dashboard, and multi-session management.