One can find some opinionated choices and support for multiple programming languages already configured.

Some interesting tricks with early-init, gc and hiding modeline during startup.
Also some interesting defaults like global-auto-revert mode and some others.

An interesting config with a fair amount of customization. The author tries to display how Emacs can be configured with a moderate amount of knowledge of Elisp.

Discovered by Sacha Chua's excellent "Emacs news" column.
Emacs News: https://sachachua.com/blog/2025/03/2025-03-03-emacs-news/
Original Reddit post: https://www.reddit.com/r/emacs/comments/1ixfhja/my_emacs_config/
Other links: https://irreal.org/blog/?p=12813

A minimal and visually clean emacs config to be used as a base. Has both light/dark themes.

The author posted a minimal configuration (trying to fit in 256 lines) here https://gist.github.com/rougier/8d5a712aa43e3cc69e7b0e325c84eab4 (posted in r/Emacs at https://www.reddit.com/r/emacs/comments/1ihp5sk/nano_emacs_minimal_version_in_256_lines/)

This emacs distribution tries to combine elements of vim and provides layers for configuration.

Quite popular

Popular Emacs configuration framework

Optimized startup and very minimal emacs configuration.

Can be used as a base.