windows.markdown has getting-started information for Windows
mac.markdown has getting-started information for Mac OS X
linux.markdown has getting-started information for Linux
flow.markdown describes flow, the programming language.
form.markdown describes form, a low-level gui library.
tropic.markdown describes tropic and material, the recommended GUI libraries which are great for responsive design.
development.markdown provides useful information on the daily development work with flow.
runtimes.markdown describes all the different ways we can run flow code.
lingo.markdown describes lingo, a technology for implementing Domain Specific Languages.
faq.markdown contains answers to frequently asked questions.
Be sure to also check out readme.txt in various places, like
- resources/vscode/flow/readme.md - how to set up the extension for Visual Code
- resources/sublimetext/readme.md - how to set up plugin for Sublime Text 3
- platforms/qt/readme.md - information about the C++ runner, including profiling and debugging and CGI mode