{"data":[{"slug":"invoiceshelf","name":"InvoiceShelf","tagline":"AGPL-3.0 self-host invoices, estimates, expenses, client portal","category":"payments","url":"https://invoiceshelf.com","github":"https://github.com/InvoiceShelf/InvoiceShelf","pricing":"open-source","hook":"InvoiceShelf is Crater continued — SMB invoices on your server, not a billing OS.","whatsGood":"AGPL-3.0. Self-host everything: invoices, estimates, expenses, client portal, Stripe on your box. No seats, no subscription, no upsell. Stable 2.4.2 (Jul 29 2026). Pitch is OSS on your infra.","theCatch":"SMB invoices/estimates/expenses/portal + Stripe on your server — not Kill Bill/Lago subscription orchestration or usage metering. Crater cut re-opened as InvoiceShelf. Distinct from Kill Bill and Lago.","verdict":"AGPL SMB invoicing you host. Free forever; not a metering engine.","addedAt":"2026-09-04","featured":false,"domain":"Payments","subSpecialty":"Invoicing","subcategory":"Invoicing","tags":["self-host","copyleft","payments","active"],"capabilities":["invoices","self-host"],"surfaces":["Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"AGPL-3.0","githubStars":1859,"starsPerWeek":13,"access":"free","archived":false,"repo":{"createdAt":"2024-01-26","pushedAt":"2026-10-16","license":"AGPL-3.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/invoiceshelf","html":"/gems/invoiceshelf","markdown":"/gems/invoiceshelf.md"}},{"slug":"inkvoice","name":"Inkvoice","tagline":"MIT freelancer invoicing; self-host primary, tiny Cloud Free","category":"payments","url":"https://inkvoice.app","github":"https://github.com/pigontech/inkvoice","pricing":"freemium","hook":"Inkvoice is freelancer invoicing you self-host when InvoiceShelf is SMB and Kill Bill is a billing OS.","whatsGood":"MIT self-host is the primary free path. Cloud Free: 1 user / 5 customers — pitch self-host for real use. Simple invoices for freelancers without Lago metering or Kill Bill orchestration.","theCatch":"Freelancer invoicing — not InvoiceShelf SMB suite, not Kill Bill subscription OS, not Lago usage metering. Distinct from InvoiceShelf, Kill Bill, and Lago.","verdict":"MIT freelancer invoices. Self-host free; Cloud Free is a teaser cap.","addedAt":"2026-09-04","featured":false,"domain":"Payments","subSpecialty":"Invoicing","subcategory":"Invoicing","tags":["self-host","free-tier","permissive","payments","active","young-repo"],"capabilities":["invoices","freelancer"],"surfaces":["Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":30,"starsPerWeek":2,"access":"free","archived":false,"repo":{"createdAt":"2026-06-10","pushedAt":"2026-10-18","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/inkvoice","html":"/gems/inkvoice","markdown":"/gems/inkvoice.md"}},{"slug":"solidinvoice","name":"SolidInvoice","tagline":"MIT Symfony invoicing; self-host free, Cloud trial paid","category":"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). 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","subcategory":"Invoicing","tags":["self-host","free-tier","permissive","payments","active"],"capabilities":["invoices","self-host"],"surfaces":["Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":979,"starsPerWeek":1,"access":"free","archived":false,"repo":{"createdAt":"2012-12-19","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/solidinvoice","html":"/gems/solidinvoice","markdown":"/gems/solidinvoice.md"}},{"slug":"invoice-ninja","name":"Invoice Ninja","tagline":"ELv2 source-available invoicing; self-host free, hosted Free 5 clients","category":"payments","url":"https://www.invoiceninja.com","github":"https://github.com/invoiceninja/invoiceninja","pricing":"source-available","hook":"Invoice Ninja is freelancer/SMB invoicing you can self-host when SolidInvoice is the PHP twin and Stripe Billing is the subscription engine.","whatsGood":"ELv2 source-available. Invoices, quotes, payments, expenses, timetracking, client portal. Self-host gets Pro/Enterprise feature set in the code. Hosted Free: 5 clients, unlimited invoices. White-label self-host ~$40/yr.","theCatch":"NOT OSI open source — ELv2 forbids offering it as competing hosted SaaS. Hosted Pro from ~$14/mo (2026 pricing). Vs Lago/Autumn: client invoicing, not usage metering/MoR. Attribution stays unless white-label.","verdict":"ELv2 invoicing. Self-host free for your biz; hosted Free 5 clients / Pro paid.","addedAt":"2026-09-04","featured":false,"domain":"Payments","subSpecialty":"Invoicing","subcategory":"Invoicing","tags":["self-host","source-available","license-unclear","payments","active"],"capabilities":["invoices","self-host","billing"],"surfaces":["Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Open-Core","githubStars":10294,"starsPerWeek":15,"access":"free","archived":false,"repo":{"createdAt":"2013-11-26","pushedAt":"2026-10-19","license":"NOASSERTION","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/invoice-ninja","html":"/gems/invoice-ninja","markdown":"/gems/invoice-ninja.md"}}],"meta":{"total":4,"count":4,"offset":0,"limit":null,"sort":"curated","sorts":["curated","catalog","new","stars","trending","name"],"filters":{"subcategory":"invoicing"},"next":null,"categories":["agents","nextjs","python","shopify","databases","devops","design","observability","rust","payments","comms","notifications","libraries"],"tags":["mcp","cli","tui","api","sdk","desktop-app","web-ui","editor-plugin","self-host","local-first","free-tier","paid-only","paid-led","permissive","copyleft","source-available","license-unclear","coding-agents","local-llm","rag","memory","evals","browser-automation","scraping","sandbox","skills","voice","security","auth","payments","realtime","postgres","vector","kubernetes","containers","observability","testing","workflows","graphics-3d","git","active","stale","archived","young-repo","fast-stars"]}}