apache / spark

Unified analytics engine for large-scale data processing with APIs in Scala, Java, Python, and R.

Paymenter / Paymenter

Open-source billing and webshop platform for hosting companies, handling subscriptions and customer services.

spree / spree

Open-source Ruby commerce platform with REST APIs, TypeScript SDKs, an admin dashboard, and a Next.js storefront.

apache / datafusion-comet

Apache DataFusion Comet is a plugin that accelerates Apache Spark queries by running operators and expressions natively on Arrow columnar data.

apache / gluten

Middleware plugin that offloads Spark SQL physical plan execution to native engines like Velox and ClickHouse.

Uniswap / v4-core

Core Solidity smart contracts for Uniswap v4, a singleton automated market maker with extensible pools and hooks.

mojolicious / mojo

Perl web framework with a built-in non-blocking HTTP/WebSocket server and client, plus MVC, routing, templates, and JSON/HTML parsing.