Looking for these c2 plugins for C3: Json (Yann Granjon), bbcode text (rex), parallaxbg, Adjust hsb

I am trying to convert a c2 game to c3, but I was not able to locate these Plugins from search section of this site.

Any ideas where could I get these for C3: Json (Yann Granjon), bbcode text (rex.rainbow), parallaxbg (zed2100), Adjust hsb (hsbadjust, somebody)