Update: the bundle has 32 kits now, still $14.99 (one by one they cost $150.70).
New since this post: Ren'Py Life-Sim Minigames (washing up, cooking, fishing, window scrubbing, sorting and a shop till, one line each) and Phone & Chat Sounds (150 sounds in 4 styles).
https://itch.io/s/210536
Free to try first: Ren'Py Phone Kit Lite (https://juliusschmidt.itch.io/renpy-phone-kit-lite) and Ren'Py FX Pack Lite (https://juliusschmidt.itch.io/renpy-fx-pack-lite).