forever vs PM2: What are the differences?
forever: A simple CLI tool. It is a simple CLI tool for ensuring that a given script runs continuously. It is used to keep the server alive even when the server crash/stops. When the server is stopped because of some error, exception, etc.it automatically restarts it; PM2: Ease-to-use Node.js process manager, like forever. Production process manager for Node.js apps with a built-in load balancer.
forever and PM2 can be primarily classified as "Node.js Process Manager" tools.
forever and PM2 are both open source tools. It seems that PM2 with 30K GitHub stars and 2K forks on GitHub has more adoption than forever with 12.5K GitHub stars and 906 GitHub forks.
According to the StackShare community, PM2 has a broader approval, being mentioned in 74 company stacks & 107 developers stacks; compared to forever, which is listed in 3 company stacks and 3 developer stacks.