Invoicerr

Invoicerr is a simple, open-source invoicing application designed for freelancers to manage their quotes and invoices efficiently. It provides a clean interface for creating, sending, and tracking quotes and invoices — so you get paid faster, with less hassle.

Key Features

• Create and manage invoices
• Create and manage quotes (convertible to invoices)
• Manage clients and their contact details
• Track status of quotes and invoices (signed, paid, unread, etc.)
• Built-in quote signing system with secure tokens
• Generate and send quote/invoice emails directly from the app
• Generate clean PDF documents (quotes, invoices, receipts, and more)
• Custom brand identity: logo, company name, VAT, and more
• Authentication via JWT or OIDC (stored in cookies)
• International-friendly: Default English UI, customizable currencies
• SQLite database for quick local setup
• Docker & docker-compose ready for self-hosting
• Built with modern stack: React, NestJS, Prisma, SQLite/PostgreSQL
• REST API backend, ready for future integrations (mobile & desktop apps)
• Plugin system for community-made features

Use Cases

• Freelancers and solo operators issue invoices and track payments for multiple clients
• Small teams convert quotes to invoices, send via email, and monitor statuses
• Agencies manage client billing and generate PDFs for records and audits

Limitations and Considerations

• Docker images are built for linux/amd64 and linux/arm64/v8; 32-bit ARM architectures are not supported due to Prisma requirements
• Local development and self-hosting require some technical setup (Docker or Node.js environment) to run

Conclusion

Invoicerr provides a focused, self-hosted invoicing solution with quotes, invoices, client management, and secure signatures. Its modern stack (React/NestJS/Prisma) and Docker-based deployment make it suitable for freelancers and small teams who want control over their data and workflows.