You can create a plugin for any site you want. To create a plugin, read this guide.
If you've created a plugin, you can create a new issue and I'll add your plugin to the list below.
List of available plugins:
Tools:
- image2post by @unknown81311: get reddit post URL from file.
- Update-SCrawler-Tools by @cjb900: a tool for updating third-party programs such as yt-dlp and gallery-dl