6 Best Google Chat Alternatives for Windows in 2026

What is Microsoft Teams?

Microsoft Teams is the chat-based workspace in Office 365 for teams in businesses of all sizes. Use chat to keep everyone on the same page and bring your ideas to life faster, with audio and video calls, screen sharing, and co-authoring in apps. Need to share documents or images on the go? Just ...

What is Slack?

Slack is the only unified communication platform for chatting, sharing, and collaborating. Whether in one-on-one conversations or a large group, Slack's threaded conversations keep everyone on the same page. No more email threads about a project that went sideways. No more meeting minutes ...

What is Output Messenger?

Output Messenger is an easy to use software that allows business to connect with others and keep in touch, regardless of proximity. Output Messenger provides instant chat options, file sharing, a task manager and more. It also can work at no cost with business operations over the web, using ...

What is ChatWork?

ChatWork is simple, fast and comprehensive business instant messaging software which enables communication between worker to worker, worker to customer, customer to worker. Workflow is made simpler by ChatWork which empowers staff or agent on duty to accept task in click of a mouse and log the ...

What is Trillian?

Trillian combines instant messaging and email into one integrated system that's a breeze to use. It lets user effortlessly combine IM and email contacts, and provides a multitude of ways to communicate with them regardless of their location, AIM or ICQ account, online status, or time zone. With ...

What is Office Chat?

Office Chat is the top instant messaging software for small businesses. It allows users to chat with friendly avatars using voice, text, and pictures instead of words. This is great for team mates who are in different locations to communicate and collaborate instantly. The main functions ...