Team Chat
Slack on your desktop, inside Franz
Run every Slack workspace as a desktop app on Mac, Windows, and Linux, with multiple workspaces and real notifications, in Franz.
- macOS
- Windows
- Linux
Slack is where a lot of work happens, and for many people it is not one Slack but several: your own company, a couple of client workspaces, an open-source community, maybe a freelancing Slack on the side. The official Slack desktop app handles multiple workspaces, but the moment you also juggle WhatsApp, Gmail, and Teams it becomes one more icon competing for your attention. Franz runs Slack as a clean, first-class tab right next to every other service you use, so the whole conversation surface of your day lives in a single window.
Multiple Slack workspaces, signed in at once
Because Slack workspaces live at their own {team}.slack.com address, Franz lets you add Slack as many times as you need, one tab per workspace, and stay logged in to all of them simultaneously. Adding a workspace is as simple as typing its name. Franz already knows the .slack.com suffix, so you enter acme and it connects you to acme.slack.com. There is no signing out of one workspace to check another, and no juggling separate browser profiles. Each tab keeps its own session and its own unread badge, so a red dot on one workspace never makes you second-guess which Slack it belongs to.
Notifications you can actually trust
Slack only matters if you hear about the message that needs you. Franz surfaces native desktop notifications for Slack, including the notification sound, so a direct message or a channel mention pulls your attention the same way the standalone app would. It distinguishes direct messages and mentions from the general chatter of busy channels, which means your badge reflects what is genuinely aimed at you rather than every message in a noisy #general. When you are heads-down, the unread count stays accurate across all your workspaces, so you can glance at the sidebar and know exactly where you are needed.
Slack on your desktop, on every OS
Franz is a native desktop app for macOS, Windows, and Linux, and Slack behaves identically on all three: the same notifications, the same dock or taskbar badge, the same fast workspace switching. If you move between a Mac at home and a Linux box at work, your Slack setup travels with you instead of being relearned per platform. You keep the full Slack web experience, threads, huddles, and all, with the difference that it is one tab in a window you also use for everything else.
Other Team Chat services
Frequently asked questions
Which platforms does Slack work on in Franz?
Franz runs Slack as a native desktop app on macOS, Windows, and Linux, with the same notifications, badges, and fast switching on every operating system.
Can I use multiple Slack accounts at once?
Yes. Franz lets you add Slack as many times as you need, one tab per account, all signed in at once. Each tab keeps its own session and unread badge, so you never sign out of one to check another.
Is Slack in Franz free?
Franz is free to use with Slack and every other service. A free account covers the essentials and takes minutes to set up; paid plans add extra features, but running Slack in Franz costs nothing to start.