Invoice Ninja

Invoice Ninja is a free, open-source platform that integrates time tracking with invoicing, expense tracking, and project management. It is particularly suited for freelancers and small businesses needing combined time tracking and billing features.

About this tool

Invoice Ninja

Invoice Ninja is a free, open-source platform for freelancers and small businesses to manage invoicing, time tracking, expenses, and project management. It provides a comprehensive suite of tools to streamline billing, payments, and workflow automation.

Features

  • Invoicing & Quotes: Create and send invoices and quotes, including real-time PDF previews and bulk emailing.
  • Payments: Accept online payments via multiple gateways (Stripe, PayPal, GoCardless, PayFast, Authorize.net, Mollie, BTCPay Server, and more).
  • Recurring Invoicing & Auto-Billing: Set up recurring invoices and automatic billing for clients.
  • Expense Tracking: Manage, re-invoice, and import expenses; track vendors and purchase orders.
  • Project Management: Organize projects, tasks, and track billable hours with Kanban boards and time-tracking.
  • Product & Inventory Management: Product library with inventory tracking and stock notifications.
  • Bank & Financial Integration: Sync transactions from bank, credit card, and PayPal accounts (via Yodlee integration on Enterprise plan).
  • Client Portal: Clients can view invoices, payment history, upload documents, and manage payment methods.
  • Multiple Contacts per Client: Send invoices/quotes to multiple contacts within a client organization.
  • Custom Fields & Branding: Add custom fields to invoices/quotes, upload company logo, customize invoice templates (4 free, 11 with Pro/Enterprise), and use custom domains/subdomains for client portals.
  • Localization: Supports multiple languages, currencies, and custom date/time formatting.
  • Automations: Integrate with Zapier, Make, Integrately, Pabbly, and more for workflow automation.
  • Purchase Orders: Create and manage purchase orders, convert approved POs to expenses.
  • Tax Management: Define taxes per invoice or per line item; supports inclusive/exclusive taxes.
  • Reporting: Robust reporting, accounts aging, client statements (advanced in Pro/Enterprise).
  • Notifications & Reminders: Custom email reminders for invoices, alerts for invoice views/payments, and late fee automation.
  • Custom Payment Instructions: Add instructions per invoice.
  • Deposits & Partial Payments: Accept deposits and partial payments with unique due dates.
  • Vendor & Client Document Uploads: (Enterprise) Allow document uploads on client/vendor portals.
  • API Access: REST API for integrations (Pro/Enterprise).
  • Team Collaboration: (Enterprise) Add up to 20 users, set permissions, and receive activity notifications.
  • Self-Hosting Option: Option to self-host on your own server.
  • Mobile & Desktop Apps: Available for Web, iOS, Android, macOS, Windows, Linux, and WordPress plugin.

Pricing

  • Forever Free:
    • Up to 5 clients
    • Unlimited invoices/quotes
    • 4 invoice templates
    • Core features included
  • Pro Plan (paid):
    • Unlimited clients
    • All 11 invoice templates
    • Advanced reporting
    • Custom reminders, email designs, number sequencing, late fees
    • Automated workflows and integrations
    • Custom client portal subdomain
    • Client subscriptions (recurring/auto-billing)
    • Custom fields, custom invoice/quote designs
    • Link up to 10 companies with one login
  • Enterprise Plan (paid):
    • All Pro features plus:
    • Up to 20 additional account users with permissions
    • Client/vendor document uploads
    • Banking & transaction sync (Yodlee)
    • Custom portal domain (e.g., billing.yourcompany.com)
    • Attach 3rd party files to invoices/expenses

For current pricing details and plan comparison, visit Invoice Ninja Pricing.

Category

  • Team Project & Time Tracking

Tags

  • Open-source, invoicing, expense-tracking, small-business

Information

PublisherFox
PublishedMay 13, 2025