# Notes on OpenPGP The "Notes on OpenPGP" project aims to produce accessible documentation for various aspects of the OpenPGP ecosystem. ## OpenPGP for application developers A book for application developers who want to integrate OpenPGP functionality into their software. This book serves a standalone introduction to the concepts of OpenPGP. It also introduces readers to the [OpenPGP RFC](https://datatracker.ietf.org/doc/draft-ietf-openpgp-crypto-refresh/). Current draft version: [html](https://openpgp.codeberg.page/test/), [epub](https://openpgp.codeberg.page/test/OpenPGPforapplicationdevelopers.epub).