Sisulizer is the next generation in software localization. Localize Your Software & Increase Your Revenue. When you localize your applications and make them available in new languages, you open new markets and new revenue streams. Sisulizer lets you increase profits by making it easy to offer your software in multiple languages. Don't give translators access to your source code. With Sisulizer, you can provide your translation team with the information they need, without making them wade through complicated programming code, and without giving up control of your source code.