abby is a self-managed, open-source AI coding assistant offering a robust substitute to GitHub Copilot for development teams. It enables the setup of a private server for language model-powered code completions, independent of external databases or cloud solutions. Streamlined for easy integration with current development setups via an OpenAPI interface, abby is optimized for consumer-grade GPUs to elevate performance. With capabilities like savvy code recommendations, auto-completion, and natural language dialogues, abby greatly amplifies the productivity of software development collectives.