TToolora

Thunderbird

VerifiedOpen source

Open-source desktop email from Mozilla

Best for email · desktop · open-source

4.5
Toolora score — editorial, not public reviews
Toolora score88/100

Strengths

  • IMAP and POP accounts
  • Local mail archive

Skip if

you need contracts, SSO, or a named vendor SLA

Thunderbird is a free desktop mail client. Connect IMAP accounts, keep a local archive, and add a calendar without putting every inbox in a browser tab.

Key features

  • IMAP and POP accounts
  • Local mail archive
  • Calendar and address book
  • Add-ons and message filters

Why it is on Toolora

We list Thunderbird for people who need email · desktop · open-source. Skip it if you need contracts, SSO, or a named vendor SLA.

Closest alternatives on Toolora: Firefox, Supabase, Proton.

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Thunderbird

Free / open source

Get it here