There are 2 repositories under trigger-framework topic.
A framework for partitioning, ordering, and bypassing trigger logic for applications built on Salesforce.
Salesforce Trigger Framework
TRIGGER ARCHITECTURE FRAMEWORK RECIPE
Apex Trigger framework based on custom metadata
Basic Template to start development in salesforce containing helper methods,trigger frame works,helper components
Trigger framework for Apex simplifying the trigger handlers dispatching
Repository for the Pluralsight course "Play by Play: Adopting Trigger Design Patterns in Existing Salesforce Orgs"
A simple and efficient Apex trigger framework