Name: K&L Inserters
Description: Adds re-configurable inserters, in addition to 3 new ones
License: CC BY-NC-ND
Release: 10/03/2016 (Mar 10, 2016)
Download: Forum Attachment (outdated) (WIP for Factorio 0.13.9 is in 2nd post)
Spotlight Video by Derpdiherp
I think the image will be enough for a description.
I've put out a new version for Factorio 0.13.9, but it is WIP. Till the work is finished, I won't be updating the main post. You can grab it from the 2nd post, but heed the notes down there.