The Laravel Lumen Framework.
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
Recommended Lightweight PHP Frameworks for REST Development?
5 projects | reddit.com/r/PHP | 21 May 2022
Should you use Laravel 9 over Lumen 9?
2 projects | reddit.com/r/laravel | 13 Apr 2022
Laravel vs Symfony
1 project | reddit.com/r/PHP | 17 Mar 2022
Next step from making web apps with plain PHP and JS? What to learn next? Laravel? React?
1 project | reddit.com/r/webdev | 10 Mar 2022
Should choose laravel or lumen to write api for an mobile app?
2 projects | reddit.com/r/laravel | 8 Mar 2022