ThunderbirdRead email, organise messages and manage calendars from your desktop.
100% free open-source (MPL 2.0). Unlimited accounts and mail storage.
Notes, tasks & docs
Agentic Inbox
Free softwareOpen sourceBrowser
Email assistant powered by Workers and Email Routing to triage incoming threads and draft replies automatically.
What you can use it for
Email assistant powered by Workers and Email Routing to triage incoming threads and draft replies automatically.
- Zero monthly subscription fee; runs securely on your own Cloudflare infrastructure.
- Summarises incoming threads, prioritises VIP senders, and drafts context-aware replies.
Workflow coverage and comparison notes
Replaces AI email summarisation, priority triage, and draft generation. Superhuman offers proprietary mobile clients and calendar integrations.
Before you switch
Requires a domain on Cloudflare with email routing configured.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.
More for the same workflow
See alternatives →Thunderbird
MailspringManage email accounts and search messages in a desktop mail client.
100% free open-source core (GPLv3). Unlimited email accounts and offline local search.