B4X vs Opal
A side-by-side look at B4X and Opal. For an in-depth review of either product, follow the links below.
B4X
Development
B4X is a cross-platform development tool that allows developers to write apps in Basic language and deploy to Android, iOS, Windows, Linux, MacOS and Raspberry Pi. It provides a simple IDE and powerful frameworks for building GUI, accessing device features, remote communications, databases, etc.
basiccrossplatformandroidioswindowslinuxmacosraspberry-piguiideframework
Opal
Office & Productivity
Opal is an open-source alternative to Microsoft OneNote for taking notes and organizing information. It allows users to create digital notebooks to capture text, drawings, and web clippings.
notesorganizationopensource