Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:tcl/openSUSE_Tumbleweed/devel:languages:tcl.repo
zypper refresh
zypper install bwidget
Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:tcl/openSUSE_Factory/devel:languages:tcl.repo
zypper refresh
zypper install bwidget
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:tcl/16.0/devel:languages:tcl.repo
zypper refresh
zypper install bwidget
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:tcl/15.6/devel:languages:tcl.repo
zypper refresh
zypper install bwidget
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:tcl/15.5/devel:languages:tcl.repo
zypper refresh
zypper install bwidget