Sage One (UK)

Best Self Hosted Alternatives to Sage One (UK)

A curated collection of the 4 best self hosted alternatives to Sage One (UK).

Sage One (UK) is a cloud-based accounting and invoicing service for UK small businesses, offering invoicing, expense tracking, bank reconciliation, VAT filing support and cash flow reporting with online access and bookkeeping integrations.

Alternatives List

#1
ezBookkeeping

ezBookkeeping

Open-source, self-hosted personal bookkeeping app with AI-powered features.

ezBookkeeping screenshot

ezBookkeeping is an open-source, self-hosted personal finance and bookkeeping application designed for privacy and control. It runs in a self-hosted environment (Docker or binaries) and provides AI-powered bookkeeping, multi-currency support, and flexible data import/export. Live Demo is available for evaluation. (github.com)

Key Features

  • Self-hosted, Open Source: privacy and control
  • Docker-ready and multi-DB support: SQLite, MySQL, PostgreSQL
  • User-friendly UI for mobile and desktop with PWA support and dark mode
  • AI-powered features: receipt image recognition and MCP (Model Context Protocol) for AI integration
  • Powerful bookkeeping: two-level accounts, attach images, location tracking, recurring transactions, advanced filtering, visualization and analysis
  • Localization & globalization: multi-language, multi-currency, automatic exchange rates, multi-timezone, custom formats
  • Security: 2FA, login rate limiting, WebAuthn/PIN
  • Data Import/Export: CSV, OFX, QFX, QIF, IIF, Camt.053, MT940, GnuCash, Firefly III, Beancount, and more (github.com)

Use Cases

  • Personal budgeting and expense tracking for individuals. (github.com)
  • Self-hosted bookkeeping for freelancers/small businesses with receipts and categorization. (github.com)
  • Data-driven financial insights and reports for households or small teams. (github.com)

Limitations and Considerations

  • No standalone desktop or mobile app; ezBookkeeping is accessed via a web browser (with optional PWA) for mobile/home-screen use. (ezbookkeeping.mayswind.net)
  • It is a self-hosted solution requiring your own server/infrastructure (not a SaaS), with Docker binaries and setup steps described in the installation guide. (github.com)

Conclusion ezBookkeeping packages open-source, self-hosted personal finance and bookkeeping into a feature-rich web app with AI-assisted capabilities, strong data import/export options, and a mobile-friendly interface. It is designed for privacy, performance, and local control, suitable for individuals and small teams who manage finances on their own hardware. (github.com)

3.7kstars
385forks
#2
Rachoon

Rachoon

Rachoon is a modern self-hosted invoicing app for freelancers and small businesses, with client management, payment tracking, PDF export, and customizable templates.

Rachoon is a modern, self-hosted invoicing platform for freelancers and small businesses that want full control over billing data. It helps you create, manage, and track invoices and offers, and produce professional PDF documents.

Key Features

  • Create and manage invoices and quotations/offers
  • Client management with searchable customer details
  • Payment tracking, balances, and overdue invoice status
  • Customizable document templates and branding
  • Multi-currency billing with tax support
  • PDF export via an external PDF rendering service
  • Dashboard overview of revenue, pending payments, and client stats

Use Cases

  • Freelancers creating branded invoices and tracking paid vs. overdue items
  • Small businesses managing clients, offers, and multi-currency invoicing
  • Teams running invoicing in a private environment for data-control needs

Limitations and Considerations

  • PDF generation relies on an additional service (Gotenberg) that must be deployed and maintained
  • Requires a PostgreSQL database for persistence

Rachoon provides a clear, focused workflow for invoicing, client tracking, and document export while remaining deployable with common container tooling. It is well-suited for individuals or small organizations that want a modern invoicing UI without relying on third-party billing platforms.

895stars
62forks
#3
LedgerSMB

LedgerSMB

Open source web-based double-entry accounting and ERP with invoicing, order processing, inventory, projects, and robust PostgreSQL-backed reporting.

LedgerSMB screenshot

LedgerSMB is a web-based double-entry accounting and ERP application for small and mid-size businesses. It combines core general ledger functionality with sales, purchasing, and operational workflows, using PostgreSQL as its backend.

Key Features

  • Double-entry general ledger with receivables and payables
  • Sales workflow: quotations, orders, and invoicing
  • Purchasing workflow including RFQs and vendor management
  • Inventory management and shipping support
  • Fixed asset accounting with depreciation
  • Projects and timecards/time tracking
  • Customizable document templates with outputs such as PDF, HTML, and CSV
  • Built-in emailing of documents (for example invoices and orders)
  • Multi-currency accounting and multi-language support

Use Cases

  • Small businesses needing an integrated accounting and invoicing system
  • Service companies tracking projects and timecards alongside bookkeeping
  • Organizations managing inventory, purchasing, and sales orders in one system

Limitations and Considerations

  • Requires PostgreSQL and a properly configured web server/TLS setup for production use
  • Older LedgerSMB versions are strongly discouraged due to known security and data stability issues

LedgerSMB is designed to be scalable and data-integrity focused, while keeping advanced features configurable so smaller deployments can remain simple. It is well-suited for organizations wanting a full-featured accounting core with ERP-style workflows and customizable outputs.

518stars
164forks
#4
Invoicerr

Invoicerr

Open-source invoicing app for freelancers to create invoices and quotes, manage clients, and track payments with a self-hosted stack (React, NestJS, Prisma, SQLite, PostgreSQL).

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.

508stars
29forks

Why choose an open source alternative?

  • Data ownership: Keep your data on your own servers
  • No vendor lock-in: Freedom to switch or modify at any time
  • Cost savings: Reduce or eliminate subscription fees
  • Transparency: Audit the code and know exactly what's running