LoginRateLimit
Simple and user-friendly PHP rate limiter that blocks brute force
...Just put it in the same directory as your login page and add a few lines of code to your page and it will work.
The script is also compatible with common reverse proxies such as CloudFlare.
You can get much more detailed information about usage, configuration and setup at GitHub Repository: https://github.com/EmirAlpKocak/LoginRateLimit