If you’re interested, I built a snippet manager for VS Code that uses GitHub Gists for persistence. That way, you get a productive, in-editor experience, while still being able to keep your own data/code, and can benefit from the existing ecosystem and primitives that have been built around gists (e.g. embedding gists into Dev.to/Medium blog posts, opening a Gist-based Jupyter notebook in NbViewer).
It’s called GistPad, and in addition to allowing you to create/manage code snippets, it supports easily moving files between your local machine and gists, pasting images, starring/forking gists, viewing and replying to comment threads, and creating “playgrounds” that are CodePen-like runnable samples: https://aka.ms/gistpad.
Additionally, since it’s a VS Code extension, you can easily edit/manage your snippets, while taking advantage of your existing editor setup/language support, using your favorite extensions, arranging files into arbitrary grid configurations, etc.