Quick note on the CRJ700: you linked to my repository, but I am in no way "maintaining" that thing, so use at your own risk. The next closest thing to a "maintained" version is the one from Henning Stahlke (a.k.a. d-jsb, one of the original authors), which can be found here:
https://github.com/d-jsb/CRJ700-family.
Similar caveats apply to other aircraft on this list.
And: many of these aircraft are also available from the FGADDON hangar, and can (and probably should) be installed directly from the launcher.