Microsoft Teams vs Quassel IRC

Microsoft Teams brings chat, channels, calls, meetings, and screen sharing together, with guest access and unlimited message history. People can join meetings as guests without a Teams account, and free users can sign in with an email address or phone number without a subscription. Free group meetings and calls last up to 60 minutes; one-to-one calls have no time limit. The free plan lists 100 participants and 5 GB of cloud storage. Teams runs on Android, iOS, Linux, macOS, Windows, and the web. Its listed integrations include Microsoft 365, SharePoint, OneDrive, Outlook, Exchange, Planner, Forms, Power BI, OneNote, Power Apps, Power Automate, and LinkedIn; Teams also has over 250 integrated business apps. Business plans support up to 300 users or people, include encryption for meetings, chats, calls, and files, and can include recordings and transcripts. Business plans list 1 TB per user for Business Basic and 10 GB per user for Teams Essentials. Essentials is $4 a year, billed at $4.00 per user/month, paid yearly; Business Basic is $7 a year, billed at $7.00 per user/month, paid yearly.

Quassel IRC has no write-up on Specifiction yet; its figures are above.