Pylot is a tool for testing the performance and scalability of Web services. It runs HTTP load tests, which are useful for capacity planning, benchmarking, analysis, and system tuning. It generates concurrent loads, verifies server responses, and produces reports with metrics. Tests suites are executed and monitored from a GUI or the shell.
Pyramid is a small, powerful, and flexible set of Web development components that supersedes both Pylons 1. 0 and repoze.bfg. It can be used to write clean and fast applications, and supports plugging in a variety of components like storage, templating engines, and authentication mechanisms.