SolidInvoice

What SolidInvoice is

SolidInvoice is invoicing software for businesses that need to bill clients, accept online payments, schedule recurring invoices, send payment reminders, and invoice in multiple currencies. It runs on the web, Linux, and macOS. A free self-hosted option is available under the MIT license for users who run it on their own server, with no per-client limits. The hosted plans include Solo at $9 a month, with 10 active clients, unlimited invoices, one seat, online payments, recurring invoices, and multi-currency support. Pro costs $19 a month and includes unlimited clients and invoices, three seats, automated reminders, custom branding, and REST API and MCP Server access. Business is $39 a month, with 10 team seats, invoice and quote templates, a custom domain, and dedicated support. The listed pricing note includes a 14-day trial, and the maker was founded in 2013.