Alternatives to HyperKitty

HyperKitty is a Communication product. No one has suggested an alternative yet. If you know one, please add it.

Last updated: October 8, 2026

About HyperKitty

Access GNU Mailman v3 archives.

Open source · GPL-3.0

Self-hostable

Services in the same category that haven't been suggested as HyperKitty alternatives yet. If one fits, add it as an alternative.

MT
Microsoft Teams
Microsoft's workplace chat and video meeting app, integrated with Microsoft 365 files and calendars.
D
Discord
Voice, video and text chat platform organized into community servers and channels, popular with gamers and online communities.
Z
Zoom
Video conferencing platform for meetings, webinars and screen sharing, with team chat and phone add-ons.
T
Twilio
Cloud communications API platform for programmable SMS, voice calls, WhatsApp messaging, email and verification.
I
Intercom
Customer service platform with live chat messenger, shared inbox, help center and the Fin AI agent.
S
Slack
Team messaging platform organized into channels, with direct messages, huddles, file sharing and thousands of integrations.