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Insomnia vs Newman: catalog facts
Insomnia	Newman
Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…	Free Free to install from npm.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional	Runs Postman collections from the terminal Fits into CI pipelines
Most features expect an account, even though a Scratch Pad works without one The 2023 move to account-first storage cost it a lot of goodwill	Depends on collections built in Postman No graphical interface
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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