When comparing Tkinter vs Prima, the Slant community recommends Tkinter for most people. In the question“What are the best cross-platform GUI toolkits?” Tkinter is ranked 20th while Prima is ranked 25th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free for commercial use
Pro Included in the standard Python library
You probably already have it, since it's included in the standard Python distributions.
Pro Easy to learn and get productive with
TkInter is a small library with a gentle learning curve compared to what’s out there. It has a straightforward API and is often the go-to choice for building quick GUIs for Python scripts.
Pro Building executables is less complicated
Compared to other GUI libraries, building executables for TkInter applications are simpler because TkInter is included in Python and has no other dependencies. This results in less complicated packaging requirements and smaller binary size.
Pro Fast
Pro Thorough documentation
Pro Open source
Pro Stable
Pro Easy to use
Great for beginners and gurus alike.
Pro Relatively compact codebase
167K SLOC in 2022.
Pro Consistent look and behavior across platforms
Pro Visual builder included
Pro Free/gratis
Pro BSD license
Pro Mature
Since 2001 on CPAN website.
Cons
Con No advanced widgets
TkInter does not come with advanced widgets out of the box (e.g. date picker).
Con Not good looking
You need a lot of code to make it look good.
Con No reliable UI builder available
There is no tool in the same league as Qt Designer (PyQt) for TkInter.