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Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API. The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend. The engine covers a broad range o

Beancount is a plain-text double-entry accounting system. It enforces zero-sum transactions, organizes accounts into a hierarchical five-type tree, and verifies balances at specific dates using precision-derived tolerances. Transactions are recorded in plain-text files with a strict syntax that supports currency-specific rounding, automatic interpolation of missing amounts, and comprehensive metadata including tags, links, and payee annotations. Beyond core bookkeeping, Beancount offers investment portfolio tracking with lot-based cost basis management, configurable booking strategies (FIFO,

big.js ist eine Bibliothek für Dezimalzahlen mit beliebiger Genauigkeit für JavaScript, die für exakte Dezimalarithmetik entwickelt wurde. Sie bietet eine Reihe von Tools für hochpräzise Addition, Subtraktion, Multiplikation und Division, um Rundungsfehler zu vermeiden, die bei binären Gleitkommadarstellungen üblich sind. Die Bibliothek ermöglicht die Erstellung benutzerdefinierter Zahlenkonstruktoren, um Genauigkeitseinstellungen und Rundungsregeln für verschiedene Zahlengruppen zu isolieren. Sie unterstützt konfigurierbare globale Genauigkeit und spezifische Rundungsverhalten, wie z. B. Abschneiden oder Runden auf die nächste gerade Zahl, für Divisions- und Potenzoperationen. Der Funktionsumfang deckt grundlegende Arithmetik, Vergleichslogik sowie die Berechnung von Quadratwurzeln und ganzzahligen Potenzen ab. Sie enthält zudem hochpräzise Formatierungstools, um numerische Werte in Festkomma-, Exponential- oder signifikante Ziffern-Strings zu konvertieren.

rippled is a peer-to-peer node implementation for the XRP Ledger. It serves as a distributed ledger consensus engine and a blockchain API gateway, allowing servers to validate transactions and maintain a shared, immutable sequence of ledger state. The project features a built-in decentralized exchange engine capable of executing atomic cross-currency payments and managing order books. It includes an on-chain asset management system for issuing and controlling fungible tokens and NFTs, as well as a Byzantine Fault Tolerant system for coordinating validators. The platform provides comprehensiv

hledger is a plain text accounting tool and double-entry ledger manager that stores financial transactions in human-readable text files. It functions as a financial reporting engine for generating balance sheets and income statements, and as a multi-currency investment tracker for managing commodity lots and capital gains. The project distinguishes itself by providing multi-interface data access, allowing users to interact with their financial data via a command line interface, a terminal user interface, and a web server. It features a market-price valuation system to calculate the current va