Spectrum Chat Alternatives

A messaging app for teams who see through the Earth!

handy and feature-rich enterprise multi-device messenger available for server or cloud – Slack-like, but not Slack-limited

Glip is fully searchable, real-time group chat & video chat, task management, file sharing and more, in one easy-to-use app. Get started FREE today.

A desktop chat client for Discord and Slack

Mattermost is an open source alternative to Slack.

A simple and elegant project management system.

Where developers come to talk.

Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.

Quick and 100% private video chat and collaboration

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!

freemium $69.0 / Monthly (6 users / 50 GB / CRM+)

A faster way for your team to communicate

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.