Apache Commons Exec is a library to reliably execute external processes from within the JVM.
A lightweight library to execute external processes from Java.
Camel support for system command execution
A library for stopping external processes from Java.
A low-overhead, non-blocking I/O, external Process execution implementation for Java.
The ServiceMix Exec component executes specified external processes and returns the result of that execution.
Groosh - provides a shell-like capability for handling external processes
Library for launching external processes and managing input and output.
A handy DSL that makes it easier to work with external processes in Java