General

The original Jay Wiseman Negotiation Form

https://www.evilmonk.org/a/wiseman10.cfm

For Rope

Crash Restraint (free, middling quality)

https://crash-restraint.com/

The Duchy (paid, high quality)

https://www.theduchy.com/

Tests

 Limit Test

https://bdsm-limits.com/

General Kink Test

https://bdsmtest.org/