codegen — independent software & tools

8 independent codegen listings the big search engines bury.

• readmer

  github · Free · by artob

  🦀 Readmer composes README.md files from Liquid or Jinja2 templates: authoring READMEs made simple without need for AI slop!

• kUML

  github · Free · by kuml-dev

  Architecture that compiles. Kotlin DSL for UML 2.x, SysML 2 and C4 diagrams-as-code — CLI, Compose Desktop, IntelliJ & Obsidian plugins, Asciidoctor extension on Maven Central, ELK layout, reverse engineering (Java/Kotlin), XMI import/export, plugin SPI. Apache-2.0.

• payo

  github · Free · by uttam-gelot

  Generate project-tailored AI assistant rules & skills (CLAUDE.md, .cursorrules, Copilot instructions, AGENTS.md) in under two minutes. Works with Claude, Cursor, Copilot, Codex, Windsurf, Antigravity.

• @graphql-codegen/cli

  npm · Free · by GitHub Actions

  <p align="center"> <img src="https://github.com/dotansimha/graphql-code-generator/blob/master/logo.png?raw=true" /> </p>

• @graphql-codegen/core

  npm · Free · by GitHub Actions

  <p align="center"> <img src="https://github.com/dotansimha/graphql-code-generator/blob/master/logo.png?raw=true" /> </p>

• @hey-api/codegen-core

  npm · Free · by GitHub Actions

  🧱 TypeScript framework for generating files.

• @hey-api/openapi-ts

  npm · Free · by GitHub Actions

  🌀 OpenAPI to TypeScript code generator. Production-grade SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.

• firstRTS

  github · Free · by sahoo-sahoo

  Develop a Godot 4.2 based real-time strategy game with LAN multiplayer, AI battles, replay system, and multi-language support.