The calculators here run entirely in your browser, so they need JavaScript switched on to do anything useful - the written guides don't, though, and they work through the same rates, soft pity curves and banner mechanics in plain text:

Genshin Impact: wish probabilities · the deep dive

Honkai: Star Rail: warp probabilities · the deep dive

Zenless Zone Zero: signal probabilities · the deep dive

Wuthering Waves: convene probabilities · the deep dive

Arknights: Endfield: pull probabilities · the deep dive

Honkai: Star Rail warp simulator

An Ocean in a Pearl: Pearl · Misha, Xueyi, Qingque
The Demoiselle in Charge: Evanescia · Misha, Xueyi, Qingque
Brilliant Fixation: Colors for Tomorrow · Boundless Choreo, Planetary Rendezvous, Post-Op Conversation
Bygone Reminiscence: Until the Flowers Bloom Again · Boundless Choreo, Planetary Rendezvous, Post-Op Conversation