---
title: Overview
description: Guide to internal Rust plugins source code.
icon: Telescope
---
Vane includes a suite of high-performance plugins compiled directly into the binary. They are categorized by their role in the flow lifecycle.
## Categories
| Category | Description |
| :------------------------------------ | :-------------------------------------------------------------------------------- |
| [Middleware](./built-in/middleware) | Logic units that inspect or modify traffic and pass control to the next step. |
| [Terminators](./built-in/terminators) | Final destinations that handle the connection, send a response, or proxy traffic. |
## Registration
All built-in plugins are statically registered in `src/plugins/core/registry.rs`.