There are as many as alternative locking screens Launcher for Android roughly, such as Active lockscreen by Celltick. It is characterized mainly by the many customizable shortcuts that can be used. In addition to the usual shortcuts to unlock and for the volume mode, there are more features.
The four groups are for contacts, apps, camera, and recently used applications that are assigned automatically by the app, but can be filled as required by hand using apps. The contact group besides applications can also contain shortcuts to individual contacts, which you can call directly from the lockscreen.
In the settings of the app, you can also install various plugins and enable a lof of themes from play store. It is certainly interesting, but is not my style. Even the existing legacy menu button bothers me. That should turn users in with devices without more software buttons. Perhaps Active lockscreen is what you are looking for.