# pyrallex > A small package for PARALLel EXecution and management of computing jobs using different parallelisation backends. ## Docs ### API Reference - [RunnerBackend.JoblibRunnerBackend](https://jakobbossek.github.io/pyrallex/reference/RunnerBackend.JoblibRunnerBackend.html) - [RunnerBackend.RunnerBackend](https://jakobbossek.github.io/pyrallex/reference/RunnerBackend.RunnerBackend.html) - [RunnerBackend.SequentialRunnerBackend](https://jakobbossek.github.io/pyrallex/reference/RunnerBackend.SequentialRunnerBackend.html) - [Registry.Registry](https://jakobbossek.github.io/pyrallex/reference/Registry.Registry.html) - [Registry.Job](https://jakobbossek.github.io/pyrallex/reference/Registry.Job.html)