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).
