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Flamingo vs Argo CD: catalog facts
Flamingo	Argo CD
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the Apache 2.0 license.
Windows, Self-hosted, Command line	Web, Self-hosted, Command line
Shows Flux workloads in the Argo CD interface Backports CVE fixes to its Argo CD builds	Git as the single source of truth for deployments Full web interface alongside a CLI
The project is seeking sponsorship to continue Updates have been infrequent	Requires a Kubernetes cluster Learning curve for teams new to GitOps
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.