Open source

Invoice Ninja

Source-available invoicing, quotes, projects and time tracking.

Type: Open source
Solves: Run your books
Pricing: Free / open source
Repository: https://github.com/invoiceninja/invoiceninja

View on GitHub →

Workflows using this

Workflow recipe

Proposal to signature to invoice

Draft the proposal with your assistant from a template.
Send for signature with Documenso.
When signed, create the invoice in Invoice Ninja or Stripe automatically.

Open source Documenso Skill / MCP Stripe AI (agent toolkit)Open source Invoice Ninja

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