# Documentation > Guides and reference for Framework and Machine. ## Framework Learn how to write and run test programs that check your software. Open-source. - The handbook, by part: https://testflows.com/docs/framework.md ## Machine Learn how to run your programs deterministically, test programs included. - The docs, by part: https://testflows.com/docs/machine.md Can't find what you need? Contact us: https://testflows.com/contact.md