Top 4 Go openapi-generator Projects
- Project mention: Show HN: BoGO – Generate Go back end services directly from SQL files | news.ycombinator.com | 2025-10-17
Very cool, reminds me of both [sqlc](https://sqlc.dev) and [oapi-codegen](https://github.com/oapi-codegen/oapi-codegen)
I'm not a fan of the enterprisey hexagonal-style code this generates, but I can understand where this might be useful for someone who does follow that.
A question regarding evolution: it's rare that schemas stay constant. I'm not sure if this tool will lend itself well when the time comes to, say, add another table, though I might be misunderstanding here.
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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With tools like ogen[1], one can take a single Swagger or OpenAPI doc and generate server code with request/response validation, Prometheus metrics, OpenTelemetry, and more.
It can also generate clients and webhooks. Authentication is just declaring a SecurityScheme in the OpenAPI documentation then implementing a single function. The rest of the backend is just implementing a single interface. Unlike oapi-codegen, there is no need to tinker with middleware for authentication or logging.
Pair this with a tool like sqlc[2] and SQLite's `pragma user_version`, and you get type-safe database code and database migrations for free. I will concede that adding SQLite is a manual process, but its just two imports added to main.go.
Frontend is entirely your choice. Go's standard library provides good enough text templating that I don't miss ERB or Django-style templates. Using embed/fs, one can easily embed a bunch of assets into a single static binary, so deployment can be as simple as `go build` and moving a single binary.
I actually have a hard time using languages besides Go for developing backends, because the code generation tools eliminate the boilerplate I frequently face in other languages while also avoiding the hundreds of dependencies that Spring Boot or Quarkus need.
[1] https://ogen.dev/
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openapi-generator-go
An opinionated OpenAPI v3 code generator for Go. Use this to generate API models and router scaffolding.
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Index
What are some of the best open-source openapi-generator projects in Go? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | oapi-codegen | 7,909 |
| 2 | ogen | 1,941 |
| 3 | openapi-generator-go | 111 |
| 4 | go-oas3 | 21 |
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