Front alternatives

Open-source alternatives

• 

  Thunderbird

  Fit: PartialCore overlap exists; named gaps need replacing or rebuilding.Fit is not feature parity. A Tier ANo paid feature gates in the self-run edition Mozilla Public License 2.0 Permissions of this weak copyleft license are conditioned on making available source code of licensed files and modifications of those files under the same license (or in certain cases, one of the GNU licenses). Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. However, a larger work using the licensed work may be distributed under different terms and without source code for files added in the larger work. May Commercial useModificationDistributionPatent usePrivate use Must Disclose sourceLicense and copyright noticeSame license (file) No LiabilityTrademark useWarranty Summary from GitHub's choosealicense.com Self-hostable: noNot offered as software you run yourself.

  Only the individual-email portion of Front is comparable: connect existing mail accounts and organize personal mail locally. Front individual inboxes also participate in comments, sharing and delegation. No parity or migration path is asserted for Front shared inboxes, assignments, team comments, ticketing, analytics, or automation.