# User Guide
Trilium is an open-source solution for note-taking and organizing a personal knowledge base. Use it locally on your desktop, or sync it with your self-hosted server to keep your notes everywhere you go.
> [!TIP]
> The same documentation can be accessed locally from within the Trilium Notes application by pressing F1.
## Getting started
1. See Quick Start.
2. Go through Basic Concepts and Features.
3. Understand Notes.
4. Browse through Collections.
## Quick links
* Desktop Installation
* Server Installation
* Frontend API or Backend API
* [ETAPI reference](User%20Guide/Advanced%20Usage/ETAPI%20\(REST%20API\)/API%20Reference.dat)
## External links
* The [Trilium Notes website](https://triliumnotes.org/), for a quick presentation of the application.
* [Developer Guide](https://docs.triliumnotes.org/developer-guide/), to understand the architecture and processes behind the development of Trilium Notes.
* [GitHub Repository (TriliumNext/Trilium)](https://github.com/TriliumNext/Trilium/)