* [Lago v1.47.0](https://github.com/getlago/lago) – Programmable API for usage-based billing designed for product-led SaaS.

* [xbbg v1.2.6](https://github.com/xbbg-org/xbbg) – Bloomberg client for Python and Node with a Rust engine, offering request helpers, sync/async APIs, and multiple output backends.

* [PayKit v0.0.6](https://github.com/getpaykit/paykit) – Embedded TypeScript billing framework that defines code-first plans, syncs with Stripe, gates features, and tracks usage.

* [superfluid protocol-monorepo subgraph@v2.3.0](https://github.com/superfluid-org/protocol-monorepo) – Ethereum contracts and JavaScript SDK enabling real-time financial transactions between user accounts.

* [Blnk Finance v0.14.3](https://github.com/blnkfinance/blnk) – Developer-focused financial ledger toolkit for building compliant fintech workflows, reconciliation, and identity management.