{"data":[{"slug":"lnd","name":"lnd","tagline":"MIT Lightning Network node daemon in Go","category":"payments","url":"https://github.com/lightningnetwork/lnd","github":"https://github.com/lightningnetwork/lnd","pricing":"open-source","hook":"lnd is a full Lightning Network node implementation in Go: open and close channels, route payments, issue invoices, and expose it all over gRPC and REST so your app can send and receive bitcoin over Lightning.","whatsGood":"MIT (lightningnetwork/lnd), release v0.21.4-beta (2026-10-01), developed since 2016. Pluggable chain backends: btcd, bitcoind or the neutrino light client. Fully manages channel state, path finding and the channel graph, and ships many reusable Lightning libraries. It sits underneath a large share of Lightning wallets, exchanges and payment tools. ★~8.2k.","theCatch":"Running a Lightning node means managing liquidity, channel backups and hot-wallet risk yourself; this is infrastructure, not a checkout button. Releases still carry a beta tag. For simple merchant payments a hosted processor or BTCPay-style layer on top is easier.","verdict":"The reference choice when you want to run your own Lightning node.","addedAt":"2026-10-18","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["api","self-host","permissive","payments","active"],"capabilities":[],"surfaces":["API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":8201,"starsPerWeek":15,"access":"free","archived":false,"repo":{"createdAt":"2016-01-16","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/lnd","html":"/gems/lnd","markdown":"/gems/lnd.md"}},{"slug":"pay-rails","name":"Pay","tagline":"MIT payments engine for Ruby on Rails","category":"payments","url":"https://github.com/pay-rails/pay","github":"https://github.com/pay-rails/pay","pricing":"open-source","hook":"Pay is a Rails engine that gives your models one billing API on top of Stripe, Paddle, Braintree and Lemon Squeezy: customers, charges, subscriptions and webhooks stored in your own database.","whatsGood":"MIT (pay-rails/pay), release v12.3.0 (2026-10-06), maintained since 2017. One interface across Stripe (SCA-compatible), Paddle, Braintree and Lemon Squeezy, plus a fake processor for free plans and trials without cards. Syncs records through webhooks so you can query billing state with ActiveRecord. ★~2.3k.","theCatch":"Rails only. It wraps processor APIs instead of hiding them, so advanced Stripe features still need the Stripe gem directly. Switching processors later still involves real migration work.","verdict":"The obvious starting point for subscription billing in a Rails app.","addedAt":"2026-10-18","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["api","self-host","permissive","payments","active"],"capabilities":["api"],"surfaces":["API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":2262,"starsPerWeek":4,"access":"free","archived":false,"repo":{"createdAt":"2017-02-01","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/pay-rails","html":"/gems/pay-rails","markdown":"/gems/pay-rails.md"}},{"slug":"dj-stripe","name":"dj-stripe","tagline":"MIT Stripe data synced into Django models","category":"payments","url":"https://dj-stripe.dev","github":"https://github.com/dj-stripe/dj-stripe","pricing":"open-source","hook":"dj-stripe keeps your Stripe data in your own database as ready-made Django models, so you can query customers, subscriptions and invoices with the Django ORM instead of calling the Stripe API every time.","whatsGood":"MIT (dj-stripe/dj-stripe), release 2.11.0 (2026-06-26), around since 2013. Webhook handling keeps the local models in sync with Stripe, and sync commands backfill existing data. Fits naturally into Django admin and querysets. ★~1.8k.","theCatch":"Stripe only, and Django only. Model and Stripe API-version upgrades can require migrations and care. Releases are a few a year.","verdict":"Use it when a Django app needs to reason about Stripe state locally.","addedAt":"2026-10-18","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["api","self-host","permissive","payments","active"],"capabilities":["api","orm"],"surfaces":["API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":1794,"starsPerWeek":3,"access":"free","archived":false,"repo":{"createdAt":"2013-08-05","pushedAt":"2026-10-14","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/dj-stripe","html":"/gems/dj-stripe","markdown":"/gems/dj-stripe.md"}},{"slug":"meteroid","name":"Meteroid","tagline":"AGPL-3.0 usage-based pricing and billing platform","category":"payments","url":"https://meteroid.com","github":"https://github.com/meteroid-oss/meteroid","pricing":"open-source","hook":"Meteroid is an open-source billing platform for SaaS, infra and AI products: meter customer usage through an API, define plans and pricing, and generate invoices from what was actually used.","whatsGood":"AGPL-3.0 (meteroid-oss/meteroid), release v1.0.0-rc7 (2026-08-24). Built for usage-based and product-led pricing models. Self-host it, or use a free workspace on Meteroid Cloud with no credit card. ★~1.3k.","theCatch":"Still on release candidates before 1.0, so expect changes. AGPL matters if you modify and host it for others. Billing is high-stakes; compare it with Lago or Kill Bill before you commit.","verdict":"A promising self-hostable option for metered SaaS billing.","addedAt":"2026-10-18","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["api","self-host","copyleft","payments","active"],"capabilities":["api"],"surfaces":["API","Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"AGPL-3.0","githubStars":1337,"starsPerWeek":8,"access":"free","archived":false,"repo":{"createdAt":"2023-07-13","pushedAt":"2026-10-09","license":"AGPL-3.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/meteroid","html":"/gems/meteroid","markdown":"/gems/meteroid.md"}},{"slug":"fossbilling","name":"FOSSBilling","tagline":"Apache-2.0 billing and client management for hosts","category":"payments","url":"https://fossbilling.org","github":"https://github.com/FOSSBilling/FOSSBilling","pricing":"open-source","hook":"FOSSBilling is a free billing and client management system for online service businesses: automated invoices and reminders, a client area, payment gateways and provisioning for hosting-style products.","whatsGood":"Apache-2.0 (FOSSBilling/FOSSBilling), release 0.8.8 (2026-10-03), with commits landing daily. Popular with web hosting providers, but it also covers software licensing, digital downloads and subscriptions. Extension-friendly architecture for integrations. ★~1.7k.","theCatch":"The README says it is beta, with rough edges and limited support. It is PHP and aimed at the WHMCS-style hosting market, so it is not a general SaaS billing engine.","verdict":"The free WHMCS alternative to try if you sell hosting or similar services.","addedAt":"2026-10-18","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["self-host","permissive","payments","active"],"capabilities":[],"surfaces":["Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":1718,"starsPerWeek":7,"access":"free","archived":false,"repo":{"createdAt":"2022-05-18","pushedAt":"2026-10-18","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/fossbilling","html":"/gems/fossbilling","markdown":"/gems/fossbilling.md"}},{"slug":"bigcapital","name":"Bigcapital","tagline":"AGPL-3.0 self-hosted accounting and inventory app","category":"payments","url":"https://bigcapital.app","github":"https://github.com/bigcapitalhq/bigcapital","pricing":"open-source","hook":"Bigcapital is open-source accounting and inventory software for small and medium businesses, with invoices, bills, double-entry books and financial reports, which you can self-host with Docker.","whatsGood":"AGPL-3.0 (bigcapitalhq/bigcapital), release v0.25.44 (2026-10-15), with frequent releases. Self-host it with Docker Compose, or use Bigcapital Cloud. Covers financial statements and reports, inventory and sales/purchase documents. ★~3.9k.","theCatch":"Still pre-1.0. Accounting rules and tax features differ by country, so check that it covers yours before moving real books. AGPL applies if you modify and host it.","verdict":"A credible open-source QuickBooks-style app for small businesses.","addedAt":"2026-10-18","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["self-host","copyleft","payments","containers","active"],"capabilities":[],"surfaces":["Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"AGPL-3.0","githubStars":3945,"starsPerWeek":15,"access":"free","archived":false,"repo":{"createdAt":"2021-09-21","pushedAt":"2026-10-18","license":"AGPL-3.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/bigcapital","html":"/gems/bigcapital","markdown":"/gems/bigcapital.md"}},{"slug":"hyperswitch-prism","name":"Hyperswitch Prism","tagline":"Apache-2.0 stateless library: one payment API for Stripe, Adyen and more","category":"payments","url":"https://hyperswitch.io/prism","github":"https://github.com/juspay/hyperswitch-prism","pricing":"open-source","hook":"Prism is the connector layer pulled out of Juspay Hyperswitch as a standalone library: one request schema for authorize and other payment flows that works against Stripe, Adyen, Braintree and more, so switching processors is a config change rather than a rewrite.","whatsGood":"Apache-2.0 (juspay/hyperswitch-prism), release v0.6.0 (2026-10-15). Stateless: no database, and credentials and card data are not stored or logged, so you choose your own vault or the processor's. SDKs for Node.js (npm install hyperswitch-prism), Python, Java and Rust, a per-connector coverage table, and an e-commerce demo with Stripe and Adyen. The integrations come from years of production use inside Hyperswitch. ★~1.4k.","theCatch":"It is only the translation layer: retries, smart routing and vaulting live in the full Hyperswitch platform, by design. Connector coverage varies by processor and payment method, and some cells are marked in progress or needs validation, so check the coverage table for your exact flows. Pre-1.0. PCI scope still depends on whether card data passes through your servers.","verdict":"The easy way to avoid locking your code to one payment processor — check the coverage table first.","addedAt":"2026-10-19","featured":false,"domain":"Payments","subSpecialty":"Payments","subcategory":"Payments","tags":["api","sdk","self-host","permissive","payments","active"],"capabilities":["api","auth"],"surfaces":["API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":1394,"starsPerWeek":18,"access":"free","archived":false,"repo":{"createdAt":"2025-04-30","pushedAt":"2026-10-19","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/hyperswitch-prism","html":"/gems/hyperswitch-prism","markdown":"/gems/hyperswitch-prism.md"}}],"meta":{"total":7,"count":7,"offset":0,"limit":null,"sort":"curated","sorts":["curated","catalog","new","stars","trending","name"],"filters":{"subcategory":"payments"},"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"]}}