EpicPluginLib

For versions older than 1.16.5, download 2.4.2
For 1.16.5 and newer, download latest version.

All documentation of EpicPluginLib can be found on github.

Dependency:
You can always use jitpack. Example:

<repositories>
    <repository>
        <id>jitpack.io</id>
        <url>https://jitpack.io</url>
    </repository>
</repositories>

<dependencies>
    <dependency>
        <groupId>com.github.Epicnicity322</groupId>
        <artifactId>EpicPluginLib</artifactId>
        <version>2.7</version>
    </dependency>
</dependencies>