Nextcloud Hub

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

Nextcloud Social

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

Nuclino

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

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.

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.

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

Rocketchat

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

Screego is an Open Source screen sharing application for developers that prioritizes high quality, low latency, and easy installation.

Spacedeck is a freeand Open Source, web-based, real-time collaborative whiteboard application with rich media support.

Spreed

Spreed is a secure, browser-based platform for high-quality video conferencing, team collaboration, and online training.

Stackspin

Stackspin is an Open Source platform providing a secure and easy-to-manage suite of collaborative apps for value-driven teams.

Sympa

Sympa is Open Source mailing list management software that simplifies communication and collaboration.

Threema Work

Threema Work is a secure and compliant business messenger that enhances team communication and boosts productivity while ensuring data privacy and compliance with regulations.

Tracim is an Open Source, all-in-one collaborative platform designed to streamline team communication, project management, and knowledge sharing.

Wire

Wire is a secure collaboration platform providing end-to-end encrypted communication and file sharing for individuals, businesses, and governments.

W'Sweet is a modular, Open Source collaborative suite offering secure communication, file sharing, and video conferencing for organizations of all sizes.

Zimbra Core

Zimbra Core is a secure, Open Source email and collaboration platform for businesses of all sizes.

Zulip is an Open Source team chat application that combines the best of email and chat for enhanced team communication and productivity.