head to head · open source
openapi-generator vs cli-printing-press
openapi-generator has 26,752 GitHub stars, 7,678 forks, 5,752 open issues and last shipped 3 days ago. cli-printing-press has 4,724 stars, 515 forks, 65 open issues and last shipped today. openapi-generator leads on adoption by 466% (26,752 vs 4,724 stars). openapi-generator is written in Java under Apache-2.0; cli-printing-press is written in Go under MIT. openapi-generator has attracted 29% as many forks as stars, cli-printing-press 11%. cli-printing-press was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (openapi), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| openapi-generator | cli-printing-press | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 4.7K |
| License | Apache-2.0 | MIT |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-09-20 |
| Forks | ⑂ 7.7K | ⑂ 515 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openapi-generator if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick cli-printing-press if
- You want the cli-printing-press feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and cli-printing-press fits your workflow better
About openapi-generator
OpenAPI Generator is an Apache 2.0 licensed Java tool that generates API client libraries, server stubs, documentation, and configuration automatically from an OpenAPI Specification, and it is built for development teams that keep a machine readable API description and want generated code to stay in step with it.
read the full openapi-generator overview →
About cli-printing-press
CLI Printing Press is a Go tool that reads an API's official documentation, studies competing community CLIs and MCP servers, sniffs out undocumented endpoints, and prints a token efficient Go CLI alongside a Claude Code skill and an MCP server — built for AI agents first, and for the developers who wire those agents up.
read the full cli-printing-press overview →
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Frequently asked questions
Is openapi-generator or cli-printing-press more popular?
openapi-generator has 26,752 GitHub stars and cli-printing-press has 4,724. openapi-generator has the larger community by that measure.
Are openapi-generator and cli-printing-press free?
Both are open source. openapi-generator is licensed under Apache-2.0 and cli-printing-press under MIT. Neither carries a licence fee.
What is the difference between openapi-generator and cli-printing-press?
openapi-generator is written in Java and cli-printing-press in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, openapi-generator or cli-printing-press?
Choose openapi-generator if you want the larger community (26,752 stars) or its Apache-2.0 licence terms. Choose cli-printing-press if its feature set, stack or MIT licence fits better. Both are self-hostable.