Compare software

Spike vs Axichat: catalog facts
Spike	Axichat
Freemium Free for individuals; paid plans add AI and team features.	Free Free and open source under AGPL-3.0, including the @axi.im service.
Windows, macOS, Android, iOS	Windows, macOS, Android, iOS, Self-hosted
Chat-style layout can make long threads easier to follow AI features aim to help with organizing and responding faster	Email and XMPP chat in one conversational inbox Integrated calendar with tasks and reminders
Chat-style format is a matter of preference and not for everyone Advanced AI and team features require a paid plan	Under active development, so things may break No Linux build yet
Downloadable app	Downloadable app, Self-hosted, Hosted service
Closed source	Open source
License not stated	License: AGPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.