petronny [1] filed a request to merge spek-wxgtk3 [2] into spek [3]: Now this package is identical to spek.
[1] https://aur.archlinux.org/account/petronny/ [2] https://aur.archlinux.org/pkgbase/spek-wxgtk3/ [3] https://aur.archlinux.org/pkgbase/spek/
