Let your customers use apt for your software, just like they do for all their other software.
Keep your customers up-to-date as part of their regular upgrade procedures.
Offer builds for all CPU architectures.
Web site shows all uploaded packages with a beautiful theme you can customize for your brand.
Automatically show package details (source, section, priority, maintainer, etc.), relationships (depends, recommends, suggests, conflicts), and file lists.
Package pages show content you supply using Markdown-formatted documents.
Debian-specific repo usage instructions provided automatically for your users.
Use repos to structure releases in any way- from a single repo to multiple repos for testing/unstable/stable/oldstable channels.
Codenames (i.e. buster, stretch, disco, bionic etc.) set on package upload. No need to register a codename in advance.
Offer unlimited versions of any package. Keep old versions so users can roll back if needed. We know this would never happen to you, but just in case...
Repos are signed with GPG automatically. Instructions and commands are provided so users can stay secure easily.
Control who can download packages- everyone, authorized customers, or just your own internal systems and developers.
TLS is used for all data in motion.