AppyBuilder is described as 'Appybuilder is an alternative to App Inventor 2 and Thunkable web-based Android app development environments' and is an app in the Development category. There are more than 10 alternatives to AppyBuilder for a variety of platforms, including Online / Web-based, Android, SaaS, Mac and Windows. The best alternative is Android Studio, which is both free and Open Source. Other great apps like AppyBuilder are MIT App Inventor (Free, Open Source), Kodular (Free), Thunkable (Freemium) and AppConvertly.com (Paid).
The Punya project is being developed by members of the Decentralized Information Group at MIT Computer Science and Artificial Intelligence Laboratory. This work was initially supported by a grant from Qatar Research Computing Institute.