It is developed by Webyog, Inc., based in Bangalore, India, and Santa Clara, California.
SQLyog was available free of charge, but with closed source code, until v3.0 when it was made a fully commercial software.
Nowadays SQLyog is distributed both as free software as well as several paid, proprietary, versions.
It has also been made to work under Linux and various Unixes (including macOS) using the Wine environment.
Webyog also maintains an extensive FAQ[14] for most commonly asked questions.