Rainbow is described as 'Unified Communication as a Service (UCaaS) and Communication Platform as a Service (CPaaS). It is a hybrid cloud solution for enterprise communications which aims to connect people and systems optimally' and is an app in the office & productivity category. There are nine alternatives to Rainbow for a variety of platforms, including Mac, Windows, Linux, Android Tablet and iPad apps. The best Rainbow alternative is Slack, which is free. Other great apps like Rainbow are Ripcord, Microsoft Teams, Zoho Cliq and PrivMX Fusion.
Offers unified communication for teams with advanced real-time messaging, contextual features, versatile chat tools, and organized conversations in dedicated channels with integrated file sharing on Mac, Windows, Linux, and mobile platforms for enhanced productivity.
Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users. It's not built on top of web browser technology: it responds quickly to input, sips gently from computer...
A comprehensive collaboration platform within Office 365, providing centralized chat, file sharing, and HD video meetings. Accessible on multiple platforms, it offers enterprise-grade security and compliance, customizable notifications, and private to group chat sessions.
Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.
PrivMX Fusion is safe and easy collaboration software for all kinds of teams, with virtual workspace protected by end-to-end encryption. Each team uses desktop/laptop client software and its own (zero-knowledge) PrivMX Team Server.
Fast open source Slack desktop app, written in Node.js with native UI powered by the Yue library.
Async is a web application that helps small teams of software engineers have deep uninterrupted discussions and build more focused software.
LeggoChat is a group or channel based chat platform that is designed to be easy to set up for any casual, or formal settings and discussions. Users can choose to have their messages logged and stored, or otherwise. No user accounts are required to get started at all.
Kwayet is an internal communication app exclusively for your team or workplace. You can collaborate, call and message anyone without requiring a phone number.?
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