Original sentence: Following the project's success, Savolainen started the company 4Front Technologies and made his support for newer sound devices and improvements proprietary, considered by many as a backdoor for privately exploiting the public software project, and motivated the creation of Advanced Linux Sound Architecture (ALSA).However, free operating systems such as GNU/Linux and *BSD include their own free reimplementations under the GNU GPL or one of the BSD licenses
Edited sentence: Following the project's success, Savolainen started the company 4Front Technologies and made his improvements proprietary, which may have contributed indirectly to the creation of Advanced Linux Sound Architecture (ALSA).However, free operating systems such as GNU/Linux and *BSD include their own free implementations under the GNU GPL or one of the BSD licenses