This is a list of popular software whose source code is published but without a valid license approved by the FSF or OSI. It adheres to the Awesome format for interoperability.

These projects may misleadingly operate as if they were proper open-source or free software projects, while the project owner still retains essential freedoms. You can read more about this old-new phenomenon at HackerNoon.

• Quadratic - Data Science Spreadsheet. Their terms of use.

• roadmap.sh - Tool for building interactive roadmaps. Their terms of use.
• Llama 2 - Large Language Model ("AI") from Meta. Their terms of use.
• Terraform - Tool for infrastructure management (building, changing, and versioning). Their terms of use.
• n8n - Workflow automation tool. Their terms of use.
• Sentry - Error tracking and performance monitoring. Their terms of use.
• Metabase Enterprise Edition - Business intelligence. Their terms of use.
• DragGAN - Interactive Point-based Manipulation. Mostly released under these terms of use.
• tldraw - Infinite canvas. Their terms of use.
• OpenPose - Multi-person keypoint detection. Their terms of use.
• Vault - Manager for secrets. Their terms of use.
• Hover - CSS3 powered hover effects. Their terms of use.
• AFFiNE Backend Server - Next-gen knowledge base. Their terms of use.
• CockroachDB - Cloud-native distributed SQL database. Their terms of use.