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TeamCity vs Tekton: catalog facts
TeamCity	Tekton
Paid Proprietary commercial software with a free trial.	Free Free and open source.
Windows, Self-hosted	Self-hosted, Command line
Self-hostable CI/CD server you run yourself Backed by JetBrains alongside its IDEs	Pipelines defined as Kubernetes resources Works across cloud providers and on-premise clusters
Proprietary and commercially licensed Aimed at teams rather than individual hobby projects	Requires a Kubernetes cluster A framework to build CI/CD on, not a ready-made hosted service
Downloadable app, Self-hosted	Self-hosted
Closed source	Open source
License: Proprietary	License: Apache-2.0
Not stated if an account is needed	No account 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 2, 2026

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