Fit: Different approachSolves the same job differently; plan a redesign, not a copy.Fit is not feature parity.ATier ANo paid feature gates in the self-run editionApache License 2.0A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger works may be distributed under different terms and without source code.MayCommercial useModificationDistributionPatent usePrivate useMustLicense and copyright noticeState changesNoTrademark useLiabilityWarrantySummary from GitHub's choosealicense.comSelf-hostable: yesYou can run it on your own server.
Rebuild triggers/actions as Node-RED flows; JSON flow import/export is native, but no Zap/Make importer verified. Connector availability, OAuth setup and runtime operations need checking. Best for technical operators.
Fit: Different approachSolves the same job differently; plan a redesign, not a copy.Fit is not feature parity.CTier CDaily-workflow features need a paid editionGNU Affero General Public License v3.0Permissions of this strongest copyleft license are conditioned on making available complete source code of licensed works and modifications, which include larger works using a licensed work, under the same license. Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. When a modified version is used to provide a service over a network, the complete source code of the modified version must be made available.MayCommercial useModificationDistributionPatent usePrivate useMustLicense and copyright noticeState changesDisclose sourceNetwork use is distributionSame licenseNoLiabilityWarrantySummary from GitHub's choosealicense.comSelf-hostable: yesYou can run it on your own server.
Developer-oriented scripts, schedules and flow orchestration; translate integrations and code rather than import Zaps/scenarios. Build OSS source if unrestricted AGPL hosting needed; common enterprise/event features paid.
Source-available or unresolved
Kept apart: these are not open source by the OSI definition, or their license scope is not settled.
Fit: PartialCore overlap exists; named gaps need replacing or rebuilding.Fit is not feature parity.UTier ULicense or parity scope unresolvedMIT LicenseA 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.MayCommercial useModificationDistributionPrivate useMustLicense and copyright noticeNoLiabilityWarrantySummary from GitHub's choosealicense.comSelf-hostable: yesYou can run it on your own server.
Visual trigger/step workflow model overlaps; rebuild incumbent automations and verify every integration/action. MIT Community paid-feature boundaries unresolved; no automatic Zap/Make import verified.
Fit: PartialCore overlap exists; named gaps need replacing or rebuilding.Fit is not feature parity.STier SSource-available license, not OSISustainable Use 1.0 (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.Self-hostable: yesYou can run it on your own server.
Visual node workflows overlap, but workflow/credential sharing is paid and licensing is source available. Rebuild automations and reauthorize credentials; no drop-in migration verified.
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Apache License 2.0 A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger works may be distributed under different terms and without source code. May Commercial useModificationDistributionPatent usePrivate use Must License and copyright noticeState changes No Trademark useLiabilityWarranty Summary from GitHub's choosealicense.com Self-hostable: yesYou can run it on your own server. 
