# Chapter 0: What is Green Lightning?

- [Downloads](/greenlightning/chapter-0-what-is-greenlightning/downloads.md)
- [FAQs](/greenlightning/chapter-0-what-is-greenlightning/faqs.md)
- [Benchmarks](/greenlightning/chapter-0-what-is-greenlightning/benchmarks.md): Benchmarks ran on REST services with same endpoints and output built with framework/language listed.