# Developers

- [Introduction](/developers/introduction.md): Developers section of the SafeKey documentation.
- [PHP Software Libraries (FIDO2)](/developers/php-software-libraries-fido2.md): SafeTech has created multiple libraries to enable web developers to integrate FIDO compatibility into their websites and start providing SafeKey support with ease.
- [Javascript Libraries (CS)](/developers/javascript-libraries-cs.md): The JavaScript libraries are designed to work with browser-based applications and facilitate communication with a SafeKey device. They're constructed using TypeScript and bundled with the parcel tool.
- [Python CLI Tools (CS)](/developers/python-cli-tools-cs.md): This page provides information on Python command line interface (CLI) tools to install and test various features of SafeKey such as Custom Storage (CS).
- [SafeKey Protocol (CS)](/developers/safekey-protocol-cs.md): This chapter contains a description of the protocol used for communication with device’s custom features.
- [High-Level Design Docs (CS)](/developers/high-level-design-docs-cs.md): High-level description of how the SafeKey is designed and how it works.