Alternative apps to Slack:
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All-in-one voice and text chat that's free, secure, and works on your desktop, web browser, and phone.
- Freeware
- Windows, macOS, Android, iOS
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Microsoft's collaboration platform combines workplace chat, meetings, notes, and attachments – it fully integrates with the Office 365 suite.
- Freeware
- Windows, macOS, Android, iOS
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The WhatsApp desktop app makes your Windows or Mac the ultimate messaging machine. Link up to 4 devices and multiple phones. The app does not require your phone to be online.
- Freeware
- Windows, macOS
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Skype is free and simple software that will enable you to make free calls anywhere in the world in minutes.
- Freeware
- Windows, macOS, Linux, Android
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Facebook Messenger Free, the official Facebook app, allows you to instantly reach friends and create rooms with your contacts.
- Freeware
- Android, iOS
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Zoom 2024 is a free video meeting and screen sharing app for up to 100 people.
- Freeware
- Windows, macOS, Android, iOS
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Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Telegram and many many more.
- Freeware
- Windows, macOS, Linux
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From group messages and video calls all the way to helpdesk killer features our goal is to become the number one cross-platform open source chat solution.
- Freeware
- Windows, macOS, Linux, Android
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Bring your teams together in a place that makes it easy to keep people and work connected.
- Freeware
- Windows, macOS, Android, iOS
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Secure video calls, conferencing, chat, desktop sharing, file transfer, support for your favorite OS, and IM network
- Freeware
- Windows
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Tox is easy-to-use software that connects you with friends and family without anyone else listening in. Chat instantly across the globe with Tox's secure messages.
- Freeware
- Windows, macOS, Linux, Android
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Fleep enables communication within and across organizations - be it your team chats, project communication or 1:1 conversations.
- Freeware
- Windows, macOS, Android, iOS
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A complete suite of social collaboration, communication, sales and management tools for organizations.
- Freeware
- Windows, macOS, Linux, Android