Invoice and quotation builder desktop app with PDF export, designed for small businesses and freelancers. Create, manage, and export invoices and quotes easily using a local database in an Electron-based app.
Invoice Builder is an offline desktop application for creating, managing, and exporting invoices and quotations, with business data stored in a local database file. It is designed for freelancers, contractors, and small businesses that need local control of their invoicing data and PDF documents. The catalogue commands, agents, and instructions provide coding-agent workflows for working with the application.
Latest release v3.2.1 · 26 Oct 2026
12 files for Claude Code, GitHub Copilot, Codex and OpenCode: delivery, dev, po, qa and 8 more — 3,467 tokens loaded in every session.
.github/copilot-instructions.md A 1,675 tok AGENTS.md A 1,792 tok .github/prompts/bmad-delivery.prompt.md A — .github/prompts/bmad-dev.prompt.md A — .github/prompts/bmad-po.prompt.md A — .github/prompts/bmad-qa.prompt.md A — .github/prompts/bmad-scrum.prompt.md A — These files are piratuks/invoice-builder's own configuration — they tell Claude Code, GitHub Copilot, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.