Plus while Mojolicious' support for running external processes is extremely limited because it's not really a goal of the project, http://p3rl.org/IO::Async::Pr

Plus while Mojolicious' support for running external processes is extremely limited because it's not really a goal of the project, http://p3rl.org/IO::Async::Process http://p3rl.org/IO::Async::Process (by the author of the async/await system) is a gloriously complete interface and you can run Mojo::IOLoop and IO::Async::Loop code in the same process just fine.