Best Code Generators in 2026
Updated
In short: quicktype is ranked #1 of 33 as of 5 October 2026, ahead of SQLDelight and Angular CLI. The best-ranked option with a free plan is SQLDelight. The lowest first paid tier on this page is quicktype at $19/mo.
Code generators can help turn schemas into code or create project scaffolding. Compare supported languages, schema-to-code generation and project scaffolding to match the kind of output you need. CLI availability and IDE plugins show workflow options to consider, while custom templates indicate another listed point of comparison. quicktype, JHipster and Nx are among the entries shown. Check free-plan availability and paid-from pricing alongside the capabilities, then weigh where you want to generate code and which languages and generation tasks your work calls for.
33 code generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
17 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | quicktypeWeb · Windows · Mac · Linux · API | Three bars | — | 4 of 6 | $19/mo | 6.7 | |
| 2 | SQLDelightWeb · Windows · Mac · Linux · Android · iPhone · API | Three bars | — | 6 of 6 | Free | 6.7 | |
| 3 | Angular CLIWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.6 | |
| 4 | FernWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | Free | 6.6 | |
| 5 | HygenWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.6 | |
| 6 | JHipsterWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 6.6 | |
| 7 | NxWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | $29/mo | 6.6 | |
| 8 | OpenAPI GeneratorWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 6.6 | |
| 9 | TypeSpecWeb · Windows · Mac · Linux · Extension | Three bars | — | 4 of 6 | Free | 6.6 | |
| 10 | BackstageWeb · Mac · Linux · Self-hosted · API | Three bars | — | 3 of 6 | Free | 6.5 | |
| 11 | CopierWindows · Mac · Linux · API | Three bars | — | 3 of 6 | Free | 6.5 | |
| 12 | sqlcWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.5 | |
| 13 | StainlessWeb · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 14 | GraphQL HiveWeb · Self-hosted · API | Two bars | — | 1 of 6 | $20/mo | 6.4 | |
| 15 | gqlgenSelf-hosted | Two bars | — | 0 of 6 | Free | 6.3 | |
| 16 | NestJS CLINo platforms listed | Two bars | — | 0 of 6 | Free | 6.3 | |
| 17 | oapi-codegenLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.3 | |
| 18 | Micronaut LaunchWeb · Windows · Mac · Linux · API | Two bars | — | — | 4 of 6 | — | 5.7 |
| 19 | SpeakeasyWeb · Windows · Mac · Linux · API | Two bars | — | — | 4 of 6 | — | 5.6 |
| 20 | RagelWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.4 |
| 21 | Hackathon StarterWeb · Windows · Mac · Linux | One bar | — | — | 4 of 6 | — | 5.3 |
| 22 | Microsoft KiotaWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 23 | NSwagWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 24 | ts-protoAPI | One bar | — | — | 0 of 6 | — | 5.3 |
| 25 | YeomanWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Project scaffolding | Custom templates |
|---|---|---|---|---|---|---|---|---|
| 1 | quicktype | 6.7 | Free plan | $19/mo | Yes | — | No | — |
| 2 | SQLDelight | 6.7 | Free plan | Free | — | — | — | — |
| 3 | Angular CLI | 6.6 | Free plan | Free | — | — | Yes | Yes |
| 4 | Fern | 6.6 | Free plan | Free | Yes | — | — | — |
| 5 | Hygen | 6.6 | Free plan | Free | — | — | Yes | Yes |
| 6 | JHipster | 6.6 | Free plan | Free | Yes | — | Yes | Yes |
| 7 | Nx | 6.6 | Free plan | $29/mo | Yes | 29 /mo | — | — |
| 8 | OpenAPI Generator | 6.6 | Free plan | Free | Yes | — | Yes | Yes |
| 9 | TypeSpec | 6.6 | Free plan | Free | — | — | — | — |
| 10 | Backstage | 6.5 | Free plan | Free | Yes | — | — | — |
| 11 | Copier | 6.5 | Free plan | Free | — | — | Yes | Yes |
| 12 | sqlc | 6.5 | Free plan | Free | Yes | — | Yes | — |
| 13 | Stainless | 6.5 | Free plan | Free | Yes | — | Yes | — |
| 14 | GraphQL Hive | 6.4 | Free plan | $20/mo | Yes | — | Yes | Yes |
| 15 | gqlgen | 6.3 | Free plan | Free | Yes | — | Yes | Yes |
| 16 | NestJS CLI | 6.3 | Free plan | Free | — | — | Yes | Yes |
| 17 | oapi-codegen | 6.3 | Free plan | Free | — | — | — | Yes |
| 18 | Micronaut Launch | 5.7 | No | — | Yes | — | Yes | — |
| 19 | Speakeasy | 5.6 | No | — | Yes | — | Yes | — |
| 20 | Ragel | 5.4 | No | — | Yes | — | No | No |
| 21 | Hackathon Starter | 5.3 | No | — | Yes | — | Yes | — |
| 22 | Microsoft Kiota | 5.3 | No | — | — | — | — | — |
| 23 | NSwag | 5.3 | No | — | Yes | — | — | Yes |
| 24 | ts-proto | 5.3 | No | — | — | — | No | — |
| 25 | Yeoman | 5.3 | No | — | — | — | Yes | Yes |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which code generator is ranked first on Freedom251?
quicktype is ranked #1 of 33 with a score of 6.7. SQLDelight is second and Angular CLI third.
How many of these have a free plan?
17 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, quicktype has the lowest first paid tier we found: $19/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.