Awesome GitHub RepositoriesTax Calculation Engines

Ce projet est un répertoire organisé par la communauté est un répertoire de points de terminaison de services REST et GraphQL conçu pour aider les développeurs à découvrir et intégrer des sources de données tierces. Il fonctionne comme un registre centralisé où les services externes sont organisés par domaine pour faciliter le prototypage rapide de logiciels et le développement d'applications. Le registre repose sur un modèle de contribution évalué par les pairs, utilisant le contrôle de version distribué pour gérer les mises à jour et garantir l'exactitude des points de terminaison répertoriés. Pour maintenir une qualité de données élevée, le projet utilise une validation basée sur le schéma pour toutes les soumissions entrantes et compile les données structurées dans un site web statique consultable pour une récupération efficace. Le répertoire couvre un large spectre de capacités d'intégration, notamment la récupération de données financières, les services de géolocalisation et diverses API utilitaires pour des tâches telles que la détection de langue, le traitement multimédia et la vérification d'identité. En fournissant un index centralisé de ces services, le projet aide les développeurs à identifier des fournisseurs de données fiables pour diverses exigences fonctionnelles.

Odoo is an integrated enterprise resource planning suite designed to manage core organizational processes, including accounting, inventory, manufacturing, and human resources, within a single platform. It functions as a modular business application framework that allows for the development and deployment of specialized modules, supported by a low-code environment that provides visual tools for creating custom workflows and data-driven interfaces. The platform distinguishes itself through a highly extensible architecture that enforces strict multi-tenant data isolation, ensuring that records r

Reaction is an event-driven, headless commerce platform designed to decouple backend business logic from the frontend presentation layer. It utilizes an API-first architecture with a GraphQL data layer to manage online sales and retail operations. The platform supports multi-tenant resource sharing, allowing multiple independent storefronts to be hosted and managed within a single installation. It features a plugin-based extension system that enables the integration of third-party services and custom business logic through composable workflows. The system covers core retail capabilities incl

This project is a comprehensive equity compensation guide and financial planning resource designed to help employees evaluate stock options, restricted stock units, and vesting schedules. It serves as an employee equity handbook and a financial modeling framework for calculating ownership percentages, dilution impacts, and the value of private stock. The resource provides a compensation negotiation framework to help individuals balance cash salary against equity grants and optimize total job offer value. It includes specialized guidance on navigating liquidity events, such as initial public o

WooCommerce is a comprehensive eCommerce framework for WordPress that transforms websites into fully functional online stores for physical and digital goods. It serves as a digital storefront manager for product catalogs, inventory, and customer orders across retail and wholesale business models. The system functions as a payment gateway integrator, connecting shops to diverse processors for credit cards, digital wallets, and subscriptions. It also operates as an order fulfillment system for calculating shipping rates, generating labels, and coordinating delivery via third-party couriers, whi

EverShop is a TypeScript-first, modular e-commerce platform built with GraphQL and React. It provides a full-featured online store system for managing products, orders, customers, and site content through a React-based administrative interface, with a GraphQL API layer that serves both the admin panel and storefront. The platform is designed around a module-based extension architecture, where core functionality is split into independent modules that can be added, removed, or overridden without modifying the core codebase. Storefront appearance and behavior are controlled through a theme syste

Lago is an open-source billing platform designed for managing subscriptions, usage-based metering, and automated invoicing. It functions as a comprehensive system for defining pricing plans, tracking real-time consumption via a metering engine, and controlling feature entitlements based on active customer subscriptions. The platform differentiates itself through a dynamic billing engine that supports hybrid pricing models and a credit-based wallet system for managing prepaid funds. It includes specialized tools for multi-tenant entitlement mapping, allowing operators to tie specific product p

Invoice Ninja is a professional billing and invoicing platform designed for managing clients, projects, and financial records. It serves as a multi-currency billing system and time tracker available as both a cloud-based application and a self-hosted suite. The platform distinguishes itself through comprehensive support for regional taxes, diverse currency formats, and automated exchange rate updates. It includes dedicated cross-platform mobile and desktop applications to manage business data across different operating systems. The software covers the end-to-end financial lifecycle, includin

Akaunting is a modular business enterprise resource planning system and self-hosted accounting software. It provides a comprehensive platform for small business financial management, centering on a double-entry bookkeeping system with a general ledger and chart of accounts. The platform is designed for extensibility through a module-based architecture and a dedicated marketplace for procuring third-party applications. It supports multi-tenant data isolation and utilizes role-based access control to manage granular user permissions. Its capability surface covers a wide range of business opera

aimeos-laravel is a comprehensive e-commerce framework for building online stores and B2B marketplaces using the Laravel PHP framework. It functions as a digital storefront engine and multi-tenant e-commerce platform, providing the core logic for managing product catalogs, shopping baskets, and payment processing. The project is distinguished by its ability to support complex business models, including multi-vendor marketplaces and professional B2B commerce suites with tiered pricing and procurement workflows. It also provides a headless commerce API, allowing store data and business logic to

Idurar is an integrated system combining Customer Relationship Management and Enterprise Resource Planning. It functions as a headless business API that generates secure REST endpoints and administrative panels from configuration files to connect business logic with external applications. The platform supports multi-tenant SaaS management, isolating data and configurations for multiple companies or branches within a single installation. It is designed for international business accounting, featuring a multi-currency financial engine that processes transactions and manages regional tax rules a

Solidtime is time tracking software designed for freelancers and agencies to record work durations, manage billable hours, and monitor labor allocation. It serves as a professional services automation tool that organizes work into clients and projects while managing team member assignments. The system features a billable rate manager that defines hourly costs at the organizational, member, and project levels using hierarchical overrides to calculate total billing. It includes a project management tool for organizing clients and tasks into hierarchies with role-based access permissions. The p

Dawarich is a self-hosted location history manager and travel journaling platform. It functions as a personal travel archive that collects GPS coordinates and movement data, providing a private alternative to proprietary tracking services. The system utilizes a PostgreSQL geospatial database to store coordinates, visits, and custom geofence boundaries. The project distinguishes itself as a geospatial data converter and visualization tool, capable of transforming location history between formats such as GPX, KML, and GeoJSON. It allows users to organize GPS tracks and geotagged photos into nam

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

Tigshop is a multi-tenant e-commerce framework designed to support single-merchant, multi-merchant, and cross-border retail configurations. It functions as a B2B2C marketplace platform that connects suppliers, store owners, and customers through integrated storefronts and vendor portals. The system is distinguished by an automated revenue splitting engine that divides transaction payments between platforms, merchants, and suppliers based on defined service fee rules. It includes a tiered affiliate distribution system for tracking multi-level commissions and an omnichannel retail manager that

Dinero.js is a TypeScript-first library for creating, calculating, and formatting monetary values. It provides immutable money objects that represent amounts in the smallest currency subdivision as integers, ensuring precision and preventing floating-point errors. The library enforces same-currency rules on arithmetic operations and validates currency codes against ISO 4217 definitions at creation time. The library distinguishes itself through a calculator plugin architecture that delegates arithmetic operations to interchangeable backends, supporting number, bigint, or custom precision libra

996.Leave is an open-source, community-maintained guide that helps tech workers compare work conditions, salaries, cost of living, and legal protections across different countries to inform international relocation decisions. The project stores each country's information as a Markdown file, which is rendered into a pre-built HTML page through static site generation, making the content fast to load and simple to host. The guide provides structured comparisons across a wide range of factors that matter to tech professionals considering a move abroad. These include annual leave entitlements, tax

Django Oscar is a domain-driven e-commerce framework built on Django for constructing custom online stores. It provides a purpose-built admin dashboard for managing e-commerce operations including products, orders, customers, and promotions, replacing the default Django admin interface. The framework includes a flexible promotions engine for creating multi-buy, bundle, and percentage discounts with custom conditions and benefits, along with a configurable order status and transition system that supports split payments, multi-batch shipping, and deferred payment capture. The framework is desig

Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev

FlexSlider est un plugin jQuery de slider d'images utilisé pour créer des carrousels de contenu réactifs et des sliders d'images multi-éléments. Il permet la construction de galeries séquentielles pour des images et du contenu vidéo qui ajustent automatiquement la mise en page et la visibilité en fonction de la taille et de l'orientation de l'écran. Le système prend en charge les mises en page de slider synchronisées, permettant à plusieurs instances de slider d'être liées afin qu'elles partagent les états d'animation, de lecture et de pause. Il fournit également une prise en charge des mises en page de droite à gauche et des directions d'animation personnalisables. Le plugin couvre la navigation interactive de contenu via des balayages tactiles, des entrées clavier et le défilement à la molette de la souris. Il permet l'intégration de lecteurs vidéo tiers et l'implémentation de contrôles de navigation directionnelle et de pagination personnalisés.