# PeopleOS Documentation > PeopleOS is an open-source personal CRM to help you remember the details that matter about your relationships. ## Marketing Pages - [Handbook](https://peopleos.cloud/company/handbook): Our handbook - [Marketing](https://peopleos.cloud/company/handbook/marketing): How do I envision marketing - [Money](https://peopleos.cloud/company/handbook/money): How does this project make money - [Principles](https://peopleos.cloud/company/handbook/principles): Principles - [Prioritize](https://peopleos.cloud/company/handbook/prioritize): How do we prioritize features? - [Product philosophy](https://peopleos.cloud/company/handbook/product-philosophy): Product philosophy - [Project](https://peopleos.cloud/company/handbook/project): Who I am and what is this project - [Shipping](https://peopleos.cloud/company/handbook/shipping): Shipping is better than not shipping - [Social media](https://peopleos.cloud/company/handbook/social-media): Social media - [Where](https://peopleos.cloud/company/handbook/where): Where am I going with this - [Why open source](https://peopleos.cloud/company/handbook/why-open-source): Why open source - [Writing](https://peopleos.cloud/company/handbook/writing): Writing for PeopleOS - [Company](https://peopleos.cloud/company): Our handbook - [API management](https://peopleos.cloud/docs/api/api-management): Learn how to manage API keys - [Authentication](https://peopleos.cloud/docs/api/authentication): Learn how to authenticate requests - [Entries](https://peopleos.cloud/docs/api/entries): Learn how to manage journal entries - [HTTP status codes](https://peopleos.cloud/docs/api/errors): Learn about HTTP status codes - [Genders](https://peopleos.cloud/docs/api/genders): Learn how to manage genders - [Gifts](https://peopleos.cloud/docs/api/gifts): Learn how to manage gifts - [API](https://peopleos.cloud/docs/api/introduction): API reference - [Journals](https://peopleos.cloud/docs/api/journals): Learn how to manage journals - [Life Events](https://peopleos.cloud/docs/api/life-events): Learn how to manage life events - [Logs](https://peopleos.cloud/docs/api/logs): Learn how to query the logs - [Notes](https://peopleos.cloud/docs/api/notes): Learn how to manage notes - [Profile](https://peopleos.cloud/docs/api/profile): Learn how to manage the profile of the user - [Task categories](https://peopleos.cloud/docs/api/task-categories): Learn how to manage task categories - [Tasks](https://peopleos.cloud/docs/api/tasks): Learn how to manage tasks - [Update a person's age](https://peopleos.cloud/docs/api/update-age): Learn how to update a person's age - [Update a person's physical appearance](https://peopleos.cloud/docs/api/update-physical-appearance): Learn how to update a person's physical appearance - [Documentation](https://peopleos.cloud/docs): PeopleOS documentation - [Homepage](https://peopleos.cloud/): Welcome page for PeopleOS. - [Pricing](https://peopleos.cloud/pricing): Pricing information - [Privacy policy](https://peopleos.cloud/privacy): Privacy policy - [Terms of use](https://peopleos.cloud/terms): Terms of use - [Why](https://peopleos.cloud/why): Why use PeopleOS?