What is Slackware?
Slackware is a free distribution of Linux. It features a wide range of technology from printing to networking to services, and thanks to its advanced package management system, it’s incredibly easy to install and remove software to match your computer system's needs. Supporting this distribution is very easy, since it is backed up by a large community of developers and users.
What is Open pkg?
Open pkg is a simple shell for viewing and publication of binary packages. It is a self-contained, stand-alone Python script that can be used by designers to publish binary packages in a simple, clean format that's easy to read and manage. For example, the following command installs the binary package produced by this site.
Open pkg alternatives for Slackware
If you’re looking for Open pkg alternatives for Slackware, you could look into packagecloud as a method to handle all of your package management. This means that you won’t need a handful of package managers for Open pkg or distributors for Slackware to get the packages you need. Packagecloud can manage all of your packages in one place so you always know they’re secure and accessible.