fman build system is described as 'A framework for creating desktop apps for Windows, Mac and Linux. Based on Qt and Python, it is a lightweight alternative to Electron. Unlike other solutions, fbs makes packaging easy: Create an installer for your app in seconds and start distributing it to your users' and is an app. There are more than 10 alternatives to fman build system for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best fman build system alternative is Electron, which is both free and Open Source. Other great apps like fman build system are Apache Cordova, NW.js, WebDGap and Photino.