Which one should I pick for a new project?

That depends entirely on what you're building. These are two completely different libraries for different purposes:

binarywang/wxjava — WeChat backend integration

Pick this if you're building a backend service that needs to integrate with WeChat ecosystems. It supports:

• WeChat Pay (微信支付)
• Official Accounts / Public Platform (公众号)
• Mini Programs (小程序)
• Enterprise WeChat (企业微信)
• Video Accounts (视频号)
• Open Platform (开放平台)

The README shows minimal examples like getting AccessToken for Official Accounts and code2Session for Mini Programs.

Project health: Strong maintenance signals (33,070 stars, regular releases), though the OpenSSF Scorecard is modest at 4.4/10.

novicezk/midjourney-proxy — Midjourney API proxy

Pick this if you're building an application that needs to proxy requests to Midjourney (an AI image generation service). It handles task submission, WebSocket connections for account management, and result polling.

Use case example: Creating a wrapper API around Midjourney so your own users can generate images without direct Midjourney accounts.

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Bottom line: Choose based on your business domain—WeChat ecosystem features vs. Midjourney image generation capabilities. They solve completely different problems.

FOLLOW_UPS:

• What WeChat features does wxjava support in detail?
• How does midjourney-proxy handle task scheduling?
• Which wxjava module should I use for my scenario?