I do like parallel_tests for rspec but specifically like that TLB is multiplatform as we use many test engines in my shop for our Ruby, JS, Scala, C#, and Swift

I do like parallel_tests for rspec but specifically like that TLB is multiplatform as we use many test engines in my shop for our Ruby, JS, Scala, C#, and Swift code. I don't mind installing a jvm but really appreciate setting up one server and being able to leverage it for multiple code bases.