in small unfiltered tanks, banana plants and amazon swords seem to do really well, though the swords will eventually grow to be fairly sizable plants.
In my big filtered tank, I have a bit of everything that caught my eye, but the java ferns, water wisteria, swordplant, and hornwort seem to be faring particularly well.
In both cases, just gravel tanks, and I put some LeafZone in with every other water change for the little, and every water addition for the big (cause it doesn't get them as much)
The Boy Feesh: Indigo CT, Lavatail CT, Ghost CT, Chicory HM, Redfish VT, Magic DT
The Girl Feesh: Christmas CT, Shine VT, Snowflake CT, Stripes VT, Midnight CT, Grif VT, Tangerine VT, Wraith CT, Amethyst VT, Ice CT, Poe CT, Turquoise II CT