Fit: PartialCore overlap exists; named gaps need replacing or rebuilding.Fit is not feature parity.CTier CDaily-workflow features need a paid editionGNU General Public License v3.0Permissions of this strong 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.MayCommercial useModificationDistributionPatent usePrivate useMustLicense and copyright noticeState changesDisclose sourceSame licenseNoLiabilityWarrantySummary from GitHub's choosealicense.comSelf-hostable: yesYou can run it on your own server.
Browser extension handles unlimited capture, annotations and MP4/GIF/WebM exports. Self-host is local-only; sharing via external storage or paid Pro. No migration preserving Loom comments/analytics established.
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 editionGNU General Public License v2.0The GNU GPL is the most widely used free software license and has a strong copyleft requirement. When distributing derived works, the source code of the work must be made available under the same license. There are multiple variants of the GNU GPL, each with different requirements.MayCommercial useModificationDistributionPrivate useMustLicense and copyright noticeState changesDisclose sourceSame licenseNoLiabilityWarrantySummary from GitHub's choosealicense.comSelf-hostable: yesYou can run it on your own server.
Captures screen, camera and audio locally with scenes; upload/export files into another service for Loom-style link sharing and team feedback. No Loom library importer established.
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 unresolvedGNU 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.comMIT 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.
Closer capture-and-sharing workflow with own-server deployment. Loom importer supports URLs/CSV but is Pro-gated, requires download access and maps space labels rather than nested folder hierarchy. Build desktop from source for commercial-license exemption.
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GNU General Public License v3.0 Permissions of this strong 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. May Commercial useModificationDistributionPatent usePrivate use Must License and copyright noticeState changesDisclose sourceSame license No LiabilityWarranty Summary from GitHub's choosealicense.com Self-hostable: yesYou can run it on your own server. 
