License 
MIT License A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code. May Commercial useModificationDistributionPrivate use Must License and copyright notice No LiabilityWarranty Summary from GitHub's choosealicense.com 
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 AFFiNE EE (custom license) Not a standard license, so GitHub's license summaries don't cover it. Read the project's license text before relying on it.
MIT License A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code. May Commercial useModificationDistributionPrivate use Must License and copyright notice No LiabilityWarranty Summary from GitHub's choosealicense.com 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 AFFiNE EE (custom license) Not a standard license, so GitHub's license summaries don't cover it. Read the project's license text before relying on it. Paid-feature tier U Tier ULicense or parity scope unresolved
Self-host Self-hostable: yesYou can run it on your own server.
Paid-feature limits2 noted
