Deviare Hooking Engine Pricing and 

Deviare In-Process (Microsoft Detours Replacement) *

FreeCommercialCommercial with Premium Support

Forum Support

License GPL v3 You can use Deviare and Deviare In-Process, and modify its source code and keep your product code closed
Updates 1 Year
Response Time Depends on the demand 48 hours less than 24 hours (workdays)
Preventing anti-virus false positives
Help your team with email support and limited chat
Help your team with requests that aren't related strictly to the API
Registry and File System Async Handlers Example
Professional Services
Price (per developer per product) Free Ask Ask

* Buying a Deviare Commercial license let you use Deviare and Deviare In-Process in one product and keep your code closed.