Git Spark - Technical Summary Git Spark is a TypeScript-based Git repository analytics and reporting tool that analyzes commit history to generate interactive insights into contributor activity, code change patterns, and development trends. The project provides both a command-line interface and Node.js API for analyzing repositories, with outputs available in multiple formats (HTML, JSON, CSV, Markdown) and features an enterprise-grade interactive HTML dashboard with interactive charts, contribution heatmaps, governance metrics, dark mode support, and security-first delivery using Content Security Policy with SHA-256 hashing. The application leverages a modern tech stack built primarily in TypeScript (67.5%) with CLI infrastructure powered by Commander.js, visual output enhanced through Chalk and Boxen for terminal formatting, Ora for progress indicators, and Semver for version management; it's supplemented by PowerShell and HTML for platform-specific tooling and report generation. The architecture separates concerns through a dual-interface design—offering both programmatic access via a GitSpark class and direct CLI commands—enabling integration into automated workflows while maintaining accessible command-line usability with features like interactive setup wizards, customizable date ranges, author filtering, and timezone support. Unique to this project is its emphasis on analytical integrity and security: reports are entirely self-contained with no external API calls, employ native SVG charts rather than external charting libraries, include comprehensive metric documentation explaining data limitations, support email redaction for privacy-sensitive audits, and deliver full offline capability. The tool targets development teams, engineering managers, and compliance officers seeking to understand repository health, contributor patterns, and code ownership distribution based purely on Git data, with a noted decline in recent activity (29 commits in 90 days vs. 141 in 365 days) suggesting the project is maturing but may benefit from renewed development focus.