Fish I would keep with Platties would be Mollies, Swordtails and Guppies
Fish I would keep with dwarf Gouramis would be Neon Tetras, Ember Tetras, Cardinal tetras, rummy nose tetras
Fish I would keep with Barbs would be Danios, Corydoras, Loaches, Serpae tetras, Red Eye tetras and other Barbs