Showing 877 open source projects for "logic"

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  • 1
    core.logic

    core.logic

    A logic programming library for Clojure & ClojureScript

    core.logic brings logic programming to Clojure and ClojureScript through an implementation of miniKanren, enabling relational, constraint-based, and nominal logic programming. It allows complex reasoning and declarative problem-solving directly in Clojure. core.unify provides a la carte unification facilities that are not deeply tied into the operation of a logic engine.
    Downloads: 0 This Week
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  • 2
    Workflow

    Workflow

    A Swift and Kotlin library for making composable state machines

    ...A unidirectional data flow library that uses immutable data within each Workflow. Data flows in a single direction from the source to the UI, and events in a single direction from the UI to the business logic. Each logical component area is separated into a Workflow with a finite set of states and the logic to transition between them.
    Downloads: 0 This Week
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  • 3
    Mongoose

    Mongoose

    Elegant mongodb object modeling for node.js

    ...It's designed to work in an asynchronous environment, providing a simple, straightforward approach to object modeling that skips out on the tedious tasks of writing MongoDB validation, casting and business logic boilerplate. Mongoose offers an uncomplicated schema-based solution, and comes with nifty features like type casting, validation, query building, and business logic hooks right out of the box. Mongoose also has a rich set of plugins made by the community and you can write your own to make Mongoose an even better solution for your needs.
    Downloads: 9 This Week
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  • 4
    RIBs

    RIBs

    Uber's cross-platform mobile architecture framework

    ...This framework is designed for mobile apps with a large number of engineers and nested states. Shared architecture across iOS and Android. Build cross-platform apps that have similar architecture, enabling iOS and Android teams to cross-review business logic code. Testability and Isolation. Classes must be easy to unit test and reason about in isolation. Individual RIB classes have distinct responsibilities like routing, business, view logic, creation. Plus, most RIB logic is decoupled from child RIB logic. This makes RIB classes easy to test and reason about independently. Tooling for developer productivity. ...
    Downloads: 0 This Week
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  • 5
    migrate

    migrate

    Database migrations, CLI and Golang library

    ...Use as CLI or import as a library. Migrate reads migrations from sources and applies them in correct order to a database. Drivers are "dumb", migrate glues everything together and makes sure the logic is bulletproof. (Keeps the drivers lightweight, too.) Database drivers don't assume things or try to correct user input. When in doubt, fail. Package migrate reads migrations from sources and runs them against databases. Sources are defined by the `source.Driver` and databases by the `database.Driver` interface. The driver interfaces are kept "dump", all migration logic is kept in this package.
    Downloads: 41 This Week
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  • 6
    Smarty

    Smarty

    Smarty is a template engine for PHP

    Smarty is a robust and widely-used templating engine for PHP that separates logic from presentation. It allows developers to create clean, maintainable, and reusable templates using its simple syntax. Smarty supports features like caching, custom plugins, and template inheritance, making it suitable for both small and complex applications that require flexible and efficient frontend rendering.
    Downloads: 10 This Week
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  • 7
    zag

    zag

    Finite state machines for building accessible design systems and UI

    A collection of framework-agnostic UI components patterns like an accordion, menu, and dialog that can be used to build design systems for React, Vue, and Solid.js. Simple, resilient component logic. Write component logic once and use it anywhere. Built-in adapters that connect machine output to DOM semantics in a WAI-ARIA-compliant way. Component logic is largely JavaScript code and can be consumed in any JS framework. Zag machine APIs are completely headless and unstyled. Use your favorite styling solution and get it matching your design system. ...
    Downloads: 0 This Week
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  • 8
    Decompose

    Decompose

    Kotlin Multiplatform lifecycle-aware business logic components

    Decompose is a Kotlin Multiplatform library for breaking down your code into tree-structured lifecycle-aware business logic components (aka BLoC), with routing functionality and pluggable UI (Jetpack/Multiplatform Compose, Android Views, SwiftUI, Kotlin/React, etc.).
    Downloads: 0 This Week
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  • 9
    Middy

    Middy

    The stylish Node.js middleware engine for AWS Lambda

    ...If you have used web frameworks like Express, then you will be familiar with the concepts adopted in Middy and you will be able to get started very quickly. A middleware engine allows you to focus on the strict business logic of your Lambda and then attach additional common elements like authentication, authorization, validation, serialization, etc. in a modular and reusable way by decorating the main business logic. One of the main strengths of serverless and AWS Lambda is that, from a developer perspective, your focus is mostly shifted toward implementing business logic. ...
    Downloads: 0 This Week
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  • 10
    Control logic

    Control logic

    Realtime PC-based control and simulator of control systems

    Control logic Java package is a set of Java classes aimed at: - Implementation of a real-time PC-based control - Simulation of control systems Setting up a control system involves working with so-called triggers. See project Wiki for detailed information and examples.
    Downloads: 1 This Week
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  • 11
    Writer Framework

    Writer Framework

    No-code in the front, Python in the back. An open-source framework

    ...The system is designed to support rapid prototyping, enabling developers to iterate on UI and backend logic independently and deploy changes quickly.
    Downloads: 0 This Week
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  • 12
    QFramework

    QFramework

    Unity3D System Design Architecture

    ...The IController interface is responsible for the performance when receiving input and state changes. In general, MonoBehaviour is the presentation layer. System layer: System layer. The ISystem interface helps IController undertake part of the logic, logic shared in multiple presentation layers, such as timing system, mall system, achievement system, etc. Data layer: Model layer. The IModel interface is responsible for the definition of data and the provision of methods for adding, deleting, checking and modifying data.
    Downloads: 1 This Week
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  • 13
    node.js-clean-architecture

    node.js-clean-architecture

    A use case of Clean Architecture in Node.js comprising of Express.js

    ...The structure allows teams to adapt or replace technologies without affecting core logic, which is essential for long-term projects. It also includes testing strategies that align with the architecture, ensuring that each layer can be validated independently.
    Downloads: 0 This Week
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  • 14
    django-viewflow

    django-viewflow

    Reusable workflow library for Django

    Viewflow is a lightweight reusable workflow library that helps to organize people collaboration business logic in Django applications. In conjunction with Django-material, they could be used as the framework to build ready-to-use business applications in minutes. Django web framework solves only technical problems related to the client-server interaction on top of the stateless HTTP protocol. Model-View-Template separation pattern helps to maintain simple CRUD-based logic. ...
    Downloads: 0 This Week
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  • 15
    Steedos Platform

    Steedos Platform

    The AI-Native Infrastructure for Enterprise Apps

    ...The platform uses a metadata-driven model similar in spirit to Salesforce, but with a stronger focus on prompt-based app generation and open deployment. ObjectQL defines data, logic, and UI in a standard format that AI tools can generate and modify. ObjectOS provides the runtime layer for APIs, authentication, permissions, workflow automation, and business logic. Object UI turns metadata into responsive React and Tailwind interfaces, while still allowing custom components and pro-code extension. Steedos is built for teams that need enterprise-grade apps with low-code speed, AI assistance, and flexible backend architecture.
    Downloads: 11 This Week
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  • 16
    MoonZoon

    MoonZoon

    Rust Fullstack Framework

    ...On the backend, MoonZoon provides a server component that integrates seamlessly with the frontend, enabling efficient communication and shared logic across the application. It emphasizes simplicity and productivity by offering a cohesive architecture that minimizes boilerplate and promotes clear data flow.
    Downloads: 0 This Week
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  • 17
    SideStore

    SideStore

    SideStore is a fork of AltStore that doesn't require an AltServer

    ...It's a community-driven fork of AltStore, and has already implemented some of the community's most-requested features. SideStore is a just regular, sandboxed iOS application. The AltStore app target contains the vast majority of SideStore's functionality, including all the logic for downloading and updating apps through SideStore. SideStore makes heavy use of standard iOS frameworks and technologies most iOS developers are familiar with.
    Downloads: 234 This Week
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  • 18
    ARK

    ARK

    Unstyled, accessible UI components for your design System

    Ark is a headless UI component library designed to provide the foundational logic required to build scalable and accessible design systems for modern web applications. The project focuses on separating component behavior from visual styling so developers can implement their own design language without being constrained by predefined styles. Built on top of Zag.js state machines, Ark delivers predictable and robust component logic that works consistently across multiple JavaScript frameworks. ...
    Downloads: 0 This Week
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  • 19
    Trellis AI

    Trellis AI

    All-in-one AI framework & toolkit for Claude Code & Cursor

    ...The platform can integrate with external services, databases, and model endpoints, making it suitable for automation, ETL pipelines, AI-driven processes, and business logic orchestration.
    Downloads: 0 This Week
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  • 20
    Draper

    Draper

    Decorators/view-models for Rails applications

    Draper adds an object-oriented layer of presentation logic to your Rails application. Without Draper, this functionality might have been tangled up in procedural helpers or adding bulk to your models. With Draper decorators, you can wrap your models with presentation-related logic to organize and test this layer of your app much more effectively. Imagine your application has an Article model.
    Downloads: 0 This Week
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  • 21
    Liquid

    Liquid

    Liquid markup language. Safe, customer facing template language

    Liquid is a secure, open-source templating language created by Shopify in Ruby. It enables embedding logic (loops, conditionals, filters) within safe, customer-editable templates. Commonly used for rendering storefronts, emails, and static site generation in Shopify and Jekyll-based systems.
    Downloads: 0 This Week
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  • 22
    Pydantic-Core

    Pydantic-Core

    Core validation logic for pydantic written in rust

    pydantic-core is the Rust-based core validation logic for Pydantic, a widely used data validation library in Python. It offers significant performance improvements over its predecessor, enabling faster and more efficient data parsing and validation.​
    Downloads: 0 This Week
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  • 23
    QRCoder

    QRCoder

    A pure C# Open Source QR Code implementation

    QRCoder is a simple library, written in C#.NET, which enables you to create QR codes. It hasn't any dependencies on other libraries and is available as .NET Framework and .NET Core PCL version on NuGet. Feel free to grab-up/fork the project and make it better! QRCoder is a .NET library, completely written in C#, which enables you to generate QR Codes as defined by ISO/IEC 18004. The main target of the QRCoder library is to deliver a small and easy-to-use solution, which has no dependencies...
    Downloads: 13 This Week
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  • 24
    IPNetwork

    IPNetwork

    IPNetwork command line and C# library take care of complex network

    ...It also supports containment and overlap checks, which are useful for validation, routing tools, firewall rules, and network planning. The project provides a clean API and is fully unit-tested. It is especially helpful when applications need reliable IP math without custom networking logic.
    Downloads: 42 This Week
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  • 25
    Orchid

    Orchid

    Rapid application development of back-office applications

    Orchid is a free Laravel package that abstracts standard business logic and allows code-driven rapid application development of back-office applications, admin/user panels, and dashboards. Focus on PHP development and don't lose time with HTML, CSS, or JavaScript. Build application logic, not admin panels. Try our quick start guide and kick-start your application's development. Prevent reinventing the wheel or forms.
    Downloads: 4 This Week
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