SolidInvoice
Invoicing software for freelancers and small businesses. Plans from $9 a month.
SolidInvoice is an open source invoicing and quote application for freelancers, consultants, and small businesses. It handles branded invoices and quotes, online payments through Stripe and PayPal, offline payments such as bank transfer and cash, recurring billing, and automated payment reminders, with multi-currency support for international clients. Client records, contacts, and billing history are kept in one place, and data can be exported as CSV or PDF.
Core capabilities include invoice and quote templates, custom branding and a custom domain on higher tiers, team seats with role permissions, two-factor authentication, and Google OAuth login. Developers can connect Claude, ChatGPT, Cursor, or other MCP-compatible assistants through the MCP Server to manage invoicing in plain language, and integrate via a REST API, GraphQL, and webhooks. Instant full-text search covers clients, invoices, quotes, and payments.
SolidInvoice is packaged as three seat-based plans: Solo (1 seat, 10 active clients), Pro (3 seats, unlimited clients, automated reminders, custom branding, API and MCP access), and Business (10 seats, invoice and quote templates, custom domain). Each plan includes a 14-day free trial with monthly or annual billing.
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