Open-source, cross platform Qt based IDE for reverse-engineering
Open-source, cross-platform Qt based IDE for reverse-engineering Android application packages. It features a friendly IDE-like layout including code editor with syntax highlighting support for *.smali code files. If you are just willing to quickly decompile an Android app, you can make use of DeAPK - Online APK Decompiler which lets you decompile an Android app using apktool and jadx.
MetaApp is a distributed system composed of a central web application and a mobile app for iPhone, iPad or Android mobile devices. The central web application allows to define the functionalities which compose the app. Each functionality can be a list of data and edventually a detail form, supporting the CRUD operations. The app is based on a SQLite local database which can be syncronized with the central database.