AviUtl Package Manager (apm) installs and updates AviUtl plugins and scripts, so you do not have to unpack archives into the right folders by hand.
AviUtl のプラグイン・スクリプトを一括で導入・更新するツールです。
| apm | Download and documentation ・ ダウンロードと説明 |
| apm-web | Browser tool for writing package data ・ パッケージデータを作るツール |
The package catalogue apm reads is not a site — it is published from apm-data and served over jsDelivr.
Everything is on GitHub at github.com/team-apm. The organization profile says which repository holds what, and where to send a request or a bug report — plugin and script requests go to apm-data, not to apm.