PicGo

The Ultimate Image Uploader for Efficient Creators. Supports Obsidian, Typora, VS Code etc. and 60+ image hosting services (S3, GitHub, Cloudflare R2, Imgur, Aliyun OSS...). Paste, upload, done. Maintained by Molunerfinn on GitHub, where it has earned 26,911 stars from the community.

It's actively developed around aliyun-oss, cloudflare-r2, electron, and is a solid reference for anyone building with these tools.