SolidOak VS emacs-ycmd

I can live with minimal feature-sets as long as my main workflow is fast and convenient, but implementing these features in a reasonable way is somewhat beyond me at the moment, I've previously looked at the code-bases of ride, helix, and SolidOak where SolidOak is by far the most accessible starting point, it solves the problem of vim-bindings right off the bat, then again packaging vim isn't as fun or educational than starting with less.

Have you tried an alternative LSP implementation? Check out ycmd and see if it works faster for you.

Try alternative LSP client, like YCMD. If even YCMD is too "heavy and bloated" there is built-in autocomplete in Emacs via semantic and tags.

In my search for auto-completion packages, I came across rtags, irony, ycmd and cquery, I've seen comments about rtags and irony not being good for large projects (although rtags can handle larger projects than irony). I've also heard that rtags wouldn't work if there are many errors and that there were some problems when the irony server was up for long. I visited ycmd's repo, and it seems to now be unmaintained: abingham/emacs-ycmd: Emacs client for ycmd, the code completion system. (github.com)