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 more than 10 alternatives to Rainbow for a variety of platforms, including Mac, Windows, Android, iPhone and Linux. The best alternative is Slack, which is free. Other great apps like Rainbow are Microsoft Teams (Freemium), Ripcord (Free Personal), Threads (Freemium) and Plumm (Paid).
Slack is a unified communication platform built with an optimized workflow to keep modern teams focused and productive. A familiar chat interface facilitates discussions while advanced features are easily exposed based on context.
Threads is a platform designed to make work more inclusive by empowering teams to discuss and make decisions at scale. Create a space This is your team's virtual meeting room. Once created, invite others and start your discussion - no scheduling required.
Single collaborative customer support dashboard for all of your projects. Chat with your customers and your team members using single workspace. If it's an email sent to firstname.lastname@example.org or a chat request from yourproject2.com, it all goes into the same Plumm inbox.
No need to switch between multiple pieces of software to get through the workday. CHATS: Communicate freely. CALENDAR: Know your team's availability, plan meetings. No more conflicts. TO-DOs: Stay on top of all projects. FILES: All files, one spot.
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.