BPQ32 is node software which is current and maintained. There are Linux and Windows versions; the Linux version is known as LinBPQ.

LinBPQ is a highly configurable and flexible piece of software - this makes it fairly complex.

A BPQ node offers standard applications for chat and mailbox (BBS) and can be extended to support custom applications. Here is a guide for adding a custom application to a BPQ node.

Our guide to setting up a LinBPQ node is here: linbpq-apt-installation