tclplug
Tcl/Tk Plug-In for Netscape Navigator
With this plug-in, download special Tcl/Tk scripts (also known as tclets) from the Internet and execute them inside your browser like Java applets. Find the documentation in /opt/netscape/tclplug/2.0/doc.
There is no official package available for openSUSE Leap 15.3Distributions
openSUSE Tumbleweed
openSUSE Leap 15.2
SUSE SLE-15-SP1
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.