Platform 16 Beta 2 (Sep 21, 2018). Please donate.
400+ real apps, New: Qmmp (Oct 12, 2018)
Over 770 million app downloads
Why does Speedyfox portable see Thunderbird portable, but not Firefox portable?
SpeedyFox is configured to look for Firefox Portable by default in its default location. If you removed it previously or run Firefox from a non-standard directory, you can add it manually.
Sometimes, the impossible can become possible, if you're awesome!
I uninstalled SpeedyFox and re-installed it and now it finds everything.