Directory of open source tools for online safety

High-performance safety rules engine for real-time event processing at scale

Share evaluation outcomes and implementation tips for using open safety models in Trust & Safety workflows

Software and Resources for Mitigating Online Gender Based Violence in India

ActivityPub Trust and Safety Taskforce

Documentation and policies for the ROOST organization and open source community. File non-technical or ROOST-wide issues here.

A .NET implementation of the PDQ hashing algorithm to make integrating Trust and Safety tools for digital service providers easier.

🤝 Using large language models to seamlessly help content moderators make better decisions, faster.

A Reflection on Truth, Power, and the Misdiagnosis of Awareness

OpenSiteTrust is an open, explainable, and reusable website scoring ecosystem

Impledge platform infrastructure

Desktop app for detecting inappropriate or unsafe messages using PyQt6, OCR, and NLP (rule-based + DistilBERT).

The [SEED] Foundry - The Startup Ethical Economic Design - Decision Matrix for Social Technology Founders

Combat fake news with cryptographic image verification. Origin Lens analyzes C2PA Content Credentials and EXIF metadata to detect AI-generated content, verify digital signatures, and reveal complete edit history. Privacy-first iOS app with on-device verification.

A principal-level framework for designing AI decision systems resilient to abuse, manipulation, and adversarial behaviour.

DeepBlur: Firefox extension that blurs images

AI systems are really good at being helpful and terrible at noticing when "helpful" becomes "enabling harm." Good-Faith fixes this by teaching pattern recognition: passive voice hiding accountability, false collective manufacturing consent, weaponized care violating boundaries.

The protobuf files which describe the GRPC interface for the Athena API.

Report underage Discord users from file!

A Python Client for the Athena CSAM detection service