Apps like RigRite

Here are some great alternatives to RigRite by Jake.NZ :
SW FEA 2D Frame Analysis
SW FEA 2D Frame Analysis
★4.5
Schnittkraftmeister
Schnittkraftmeister
★4.1
Neck Diagram Tool
Neck Diagram Tool
★3.4
Springulator
Springulator
★4.1
Rope Access Pro
Rope Access Pro
★4.6
LVL Tool: Measure Angle
LVL Tool: Measure Angle
★4.4
Protractor - Angle Measurement
Protractor - Angle Measurement
★3.5
Anatomy by Muscle & Motion
Anatomy by Muscle & Motion
★4.6
Bubble Level Tool
Bubble Level Tool
★4.1
WreckMaster
WreckMaster
★3.7
External ballistics calculator
External ballistics calculator
★4.4
SW Truss
SW Truss
★3.8
LEO Rigging Calculator
LEO Rigging Calculator
★5.0
Slant Gauge
Slant Gauge
★4.0
Clinometer
Clinometer
★4.3
Angle Meter PRO Plus
Angle Meter PRO Plus
★3.7