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@koxudaxi

Koudai Aono

koxudaxi
Tokyo, Japan

Hi, I'm Koudai Aono, an OSS maintainer based in Tokyo. I build and maintain developer tools for Python teams.

My main projects:

  • datamodel-code-generator: 14M+ downloads per month on PyPI. Used by OpenAI Codex, Datadog, Apache Airflow, vLLM, PostHog, OpenTelemetry, and 10+ other projects.
  • fastapi-code-generator
  • PyCharm plugins for Pydantic, Ruff, and Poetry, with 1.2M+ installs in total

I also co-authored PEP 750 (template strings, Python 3.14).

Sponsorship pays for the time I spend on regular releases, bug fixes, security responses, and compatibility work for new Python versions. If your company uses these tools in production, a corporate tier is the most direct way to keep them maintained.

@koxudaxi

$1,000 a month covers CI infrastructure and a steady block of maintenance time for datamodel-code-generator. That means regular releases, bug fixes, and compatibility work for new Python and Pydantic versions.

Current sponsors 8

@ddanier
@lensvol
@ofek
Private Sponsor
@Olegt0rr
@samuelcolvin
@astral-sh
@openai
Past sponsors 46
@leynier
@dvlpjrs
@aktentasche
Private Sponsor
Private Sponsor
@tommyjcarpenter
@mikapfl
@jgentil
@s3i7h
@CarlosDomingues
@sthagen
@dudil
@benedikt-bartscher
@lijok
@pohlt
@routablehq
@charliermarsh
@DataDog

Featured work

  1. koxudaxi/datamodel-code-generator

    Python data model generator (Pydantic, dataclasses, TypedDict, msgspec) from OpenAPI, JSON Schema, GraphQL, and raw data (JSON/YAML/CSV).

    Python 3,929
  2. koxudaxi/pydantic-pycharm-plugin

    PyCharm plugin for pydantic. This plugin provides autocompletion, inspection, type-checking, inserting unfilled argument, and more.

    Kotlin 531
  3. koxudaxi/poetry-pycharm-plugin

    A PyCharm plugin for poetry

    Kotlin 179
  4. koxudaxi/fastapi-code-generator

    This code generator creates FastAPI app from an openapi file.

    Python 1,399
  5. koxudaxi/ruff-pycharm-plugin

    PyCharm plugin for ruff. This plugin provides reformat code using ruff.

    Kotlin 289
  6. Rust 15

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11% towards $1,000 per month goal

@samuelcolvin @ddanier
@lensvol @astral-sh @ofek @Olegt0rr @openai

samuelcolvin and 7 others sponsor this goal

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$ a month

You'll receive any rewards listed in the $25 monthly tier. Additionally, a Public Sponsor achievement will be added to your profile.

$1 a month

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Supporter

Thank you. Every sponsor helps.

$5 a month

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Backer

Helps fund ongoing maintenance.

$10 a month

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Power User

If these tools save you time, this helps me keep them maintained.

$25 a month

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Sustainer

Helps fund releases, documentation, and compatibility work across my OSS projects.

$50 a month

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Team Supporter

For teams and companies that use my tools in production. Your name or a small logo with a link on the datamodel-code-generator docs site and README.

$100 a month

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Bronze Sponsor

For companies that use my tools in production. Your logo with a link on the datamodel-code-generator docs site and README, shown larger and above the $50 row. The docs serve a tool downloaded 14M+ times a month.

$500 a month

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Silver Sponsor

For companies that rely on these tools and want to support them visibly. A larger linked logo, placed above the Bronze row, on the docs site and README.

$1,000 a month

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Gold Sponsor

Top logo placement on the docs site and README. GitHub Sponsors can issue invoices to organizations if your company needs one.