OWL - Open Worker Line is a free mobile application developed by Ulula Tech for the Android platform. This app is designed to provide real-time human right impact evaluation for companies, allowing them to gather feedback from all their stakeholders. The app offers four main engagement modules that help companies to understand the pulse of their workforce and communities where they operate.

The automated survey module helps companies to conduct surveys and gather feedback from their employees and other stakeholders. The grievance and feedback channel enables two-way anonymous communication, allowing employees to express their concerns and grievances. The broadcast and mass messaging module helps companies to engage with targeted groups and communities by sharing relevant information, alerts, and notifications. The training module provides visual and engaging training materials for workers and communities, making it easy for them to understand and follow the guidelines.