When comparing Tk vs Lara, the Slant community recommends Tk for most people. In the question“What are the best cross-platform GUI toolkits?” Tk is ranked 12th while Lara is ranked 26th. The most important reason people chose Tk is:
Bindings for Python, C, C++, Ruby, Perl, Go, Java, Haskell and more, see [Languages with a Tk binding](https://wiki.tcl-lang.org/page/Languages+with+a+Tk+binding).
Ranked in these QuestionsQuestion Ranking
Pro Bindings for several languages
Bindings for Python, C, C++, Ruby, Perl, Go, Java, Haskell and more, see Languages with a Tk binding.
Pro Easy Styling
Once you understand how to style, the styling can look great
Pro Great for beginners
Easy to pick up and run with it.
Can develop in Windows, Linux and MacOS.
Pro Server-side rendering engine
Lara has a server-side rendering engine with virtual DOM.
Pro Open Source
Apache 2.0 license.
Con Base looks are garbage without a good amount of styling
Going with the base look for your app is a bad idea because it looks like garbage with the defaults
Con C# support lacking
Although the Eagle Project exists, which offers Mono and .NET Core support, C# support is not standard.