The first public release of the SearchEdit search engines list editor from one of My Opera's members, mikko211, has been announced . The utility is written in Java, therefore it works in any operating system. There is an option with the Russian interface. Please test and evaluate, if necessary - to report errors. This utility has been tested by Opera Software employees and recommended for use.
Another addition: this utility is distributed under the GPLv3 license, so you can use it in your projects, either fully or partially, according to the principles of free software.