When comparing Free Pascal vs Gambas, the Slant community recommends Gambas for most people. In the question“What are the best languages to write a desktop Linux application in?” Gambas is ranked 1st while Free Pascal is ranked 8th. The most important reason people chose Gambas is:
You can't find such a level of easy GUI development in any other language on the Linux platform.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to learn
Pro Fast compiler
Very fast, even big programs compile very quickly.
Pro Cross platform
Many target platforms and architectures.
Pro Powerful
Close to metal while being high level, performance to match C/C++
Pro Complete IDE for GUI development
You can't find such a level of easy GUI development in any other language on the Linux platform.
Pro Constantly updated
New features and bug fixes along with performance enhancements.
Pro Easy to get started for someone familiar with VB on Windows
Pro Complete application development suite
Supports GTK and QT along with web. Built in Form building with JIT speed. If you are developing an application targeting Linux only give this a look.
Pro Fast to write apps
Pro Git integration
Integration with GIT in IDE and easy to distribute apps as source package with export as .tar.gz.
Pro Enhanced with a new test suite
Pro Runs on Windows 10 WSL2 environment, reported successful compilation on MacOS
Cons
Con Not cross platform
Con The documentation is not the best
Con May have trouble interfacing to C code structs
Managed struct objects in Gambas makes it harder to use with C code structs.
Con Difficult to satisfy runtime requirements
Runtime requirements to run applications written in Gambas are not always easy to satisfy (that is, without installing the whole development environment).
