{"data":{"slug":"solidinvoice","name":"SolidInvoice","tagline":"MIT Symfony invoicing; self-host free, Cloud trial paid","category":"payments","categoryName":"Payments","url":"https://solidinvoice.co/open-source","github":"https://github.com/SolidInvoice/SolidInvoice","pricing":"freemium","hook":"SolidInvoice is Symfony/PHP freelancer+SMB invoicing when InvoiceShelf is the Laravel cousin.","whatsGood":"MIT (3.1.x LICENSE). Self-Hosted free forever — solidinvoice.co/open-source confirms $0 software self-host. Quotes→invoices, payments, API/MCP.","theCatch":"Vs InvoiceShelf/Inkvoice: Symfony/PHP freelancer+SMB invoicing (quotes→invoices, payments, API/MCP). LOUD: solidinvoice.co leads with 14-day Cloud trial / from $9/mo — free path is self-host ONLY.","verdict":"MIT Symfony invoicing. Self-host $0; Cloud trial/from $9 is paid.","addedAt":"2026-09-04","featured":false,"domain":"Payments","subSpecialty":"Invoicing","capabilities":["invoices","self-host"],"surfaces":["Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":965},"related":[{"slug":"stripe-cli","name":"Stripe CLI","tagline":"Official Stripe terminal for webhooks, events, and API objects"},{"slug":"polar","name":"Polar","tagline":"Apache-2.0 merchant-of-record billing for indie and AI products"},{"slug":"hyperswitch","name":"Hyperswitch","tagline":"Apache-2.0 payment orchestrator you can self-host"},{"slug":"killbill","name":"Kill Bill","tagline":"Apache-2.0 in-house subscriptions and payments, no % take-rate"},{"slug":"lago","name":"Lago","tagline":"AGPLv3 usage and entitlements metering you self-host"}],"links":{"self":"/api/gems/solidinvoice","html":"/gems/solidinvoice","markdown":"/gems/solidinvoice.md","category":"/api/gems?category=payments","categoryPage":"/stacks/payments"}}