Slack
9.0#4 in team chat appsFrom $8.75 a monthFree planAndroidiOSWebLinux
Visit| Fact | Slack | TeamTalk 5 |
|---|---|---|
| Channels | Yes | Users can join channels to chat, view video and shared applications, and download files. |
| Free plan | Yes | Yes |
| Supported platforms | web,windows,macos,linux,ios,android,api | windows,macos,linux,ios,android,api |
Slack suits teams that coordinate through channels and connected apps, or need guest and external messaging options. Free workspaces fit users who can work within the 90-day history and ten-app limits.
You want what its maker publishes above — check its page for the details.