Well, first of all AppImageKit is not a package manager. For a comparison with xdg-app and other systems, see <a href="https:&#x2F;&#x2F;github.com&#x2F;probonopd&#x2F;AppImageKit&#x2F;wiki&#x2F;Similar-projects" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;probonopd&#x2F;AppImageKit&#x2F;wiki&#x2F;Similar-projec...</a><p>As for sandboxing, this is definitely an area which we would like to add to AppImageKit, e.g., see <a href="https:&#x2F;&#x2F;github.com&#x2F;probonopd&#x2F;AppImageKit&#x2F;issues&#x2F;77" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;probonopd&#x2F;AppImageKit&#x2F;issues&#x2F;77</a> - thoughts and pull requests welcome!