Nextcloud Hub

Nextcloud Hub is a secure, integrated collaboration platform that combines file sharing, communication, and office tools for enhanced productivity and data control.

A standalone, scalable, and highly available signaling server for Nextcloud Talk, enabling seamless real-time communication.

Nextcloud Social

Nextcloud Social is a collaborative app that adds social networking features to Nextcloud, fostering communication and engagement among users.

NodeBB

NodeBB is a powerful and flexible online forum platform designed to build and engage thriving communities.

Nuclino

Nuclino is a fast, simple, and modern collaboration platform that brings knowledge, documents, and projects together in one place.

OpenTalk

OpenTalk is a secure and user-friendly video conferencing platform that facilitates productive and engaging virtual collaboration, while respecting data privacy.

OpenTouch Enterprise Cloud

OpenTouch Enterprise Cloud accelerates digital transformation with secure, flexible, and easy-to-manage communication-as-a-service.

OpenTouch Message Center

OpenTouch Message Center (OTMC) was a unified messaging application providing voicemail, fax, and email management, but is now discontinued.

Outfox is a European collaboration platform built for higher education to facilitate secure, cross-border community building and inter-institutional engagement.

ownCloud

ownCloud is an Open Source software for secure file synchronization, sharing, and content collaboration, enabling easy teamwork from anywhere.

Oxo Connect

OXO Connect is a scalable and robust communication platform for small and medium businesses, offering hybrid cloud capabilities and advanced collaboration features.

PlikShare

PlikShare is a self-hosted, secure file-sharing platform offering unlimited users and storage for a one-time payment.

Private Discuss

Private Discuss is a secure and scalable platform for video conferencing, webinars, and instant messaging, prioritizing confidentiality and user well-being.

ProcessOne is a scalable multiprotocol messaging platform for building real-time communication systems that connect users, employees, software, and devices with high reliability.

ProjectSend

ProjectSend is a free, secure, and user-friendly self-hosted file-sharing application that enables easy and private file exchange with clients.

Prose is a modern, secure, and decentralized XMPP client for efficient team messaging.

Prosody

Prosody IM is a highly scalable and secure Open Source XMPP instant messaging server.

Quobis Collaborator is an enterprise-grade unified communications platform offering video conferencing, instant messaging, and PBX integration with multiplatform support.

Rainbow Business Communication

Rainbow by Alcatel-Lucent Enterprise is a secure, all-in-one cloud communication and collaboration platform enhancing team collaboration and employee productivity.

Rainbow Office

Rainbow by Alcatel-Lucent Enterprise is a secure, all-in-one cloud communication and collaboration platform that enhances team collaboration and employee productivity.

Open source alternative communication platform

Remote Visual Assistance

Remote Visual Assistance is a mobile-first solution that connects field workers with remote experts in real-time via video, enabling faster issue resolution and improved operational efficiency.

Retyc is a European, GDPR-compliant platform for secure file transfer and encrypted datarooms with end-to-end encryption, zero-knowledge architecture, and sovereign hosting.

Rocketchat

Rocket.Chat is a secure, collaborative communication platform that enables real-time communication and streamlined workflows for teams and organizations.