The bug tracker is part of our mods site and will likely not be released, especially not as standalone plugin.
Its such a useful tool, that's sad to hear it wont be part of it.
Thanks for the reply tough.
It'll be part for the Mods site itself if that's what you mean, hence it being designed. Stefan means it just won't be released as a plugin.
You can use GitHub - free, nice and friendly GUI, a lot of features