Coder is a purpose-built tool that addresses the challenges faced by government agencies in securing and standardizing their development environments. It provides fully self-hosted, open-source solutions with secure access on government-furnished equipment without device modifications. Coder simplifies accreditation processes in the US and European regions, meeting stringent compliance requirements. By centralizing development environments on air-gapped infrastructure, it eliminates burdensome toil that crushes developer productivity while delivering non-negotiable security and uncompromising productivity.