Log4j vs SLF4J: What are the differences?
Developers describe Log4j as "A Java-based logging utility". It is an open source logging framework. With this tool – logging behavior can be controlled by editing a configuration file only without touching the application binary and can be used to store the Selenium Automation flow logs. On the other hand, SLF4J is detailed as "Simple logging facade for Java". It is a simple Logging Facade for Java (SLF4J) serves as a simple facade or abstraction for various logging frameworks allowing the end user to plug in the desired logging framework at deployment time.
Log4j belongs to "Logging Tools" category of the tech stack, while SLF4J can be primarily classified under "Log Management".
Log4j is an open source tool with 771 GitHub stars and 478 GitHub forks. Here's a link to Log4j's open source repository on GitHub.