Showing 2068 open source projects for "backend"

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  • 1
    Svelte Commerce

    Svelte Commerce

    The open-source storefront for any ecommerce

    Svelte Commerce is an open-source storefront framework built with SvelteKit that enables developers to create fast, modern eCommerce frontends using a headless architecture. The platform functions as a progressive web application storefront that can connect to various backend commerce systems through APIs. Because it is headless, the frontend can integrate with different eCommerce engines such as Medusa, Litekart, or other REST-based platforms. The project includes many core commerce features such as product browsing, shopping carts, checkout flows, authentication, and search capabilities. Built with a modern JavaScript stack, it emphasizes performance and responsiveness by leveraging Svelte’s reactive architecture and server-side rendering capabilities. ...
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  • 2
    Diffrax

    Diffrax

    Numerical differential equation solvers in JAX

    Diffrax is a numerical differential equation solving library built for the JAX ecosystem, with a strong focus on composability, differentiability, and high-performance scientific computing. The project provides tools for solving ordinary differential equations, stochastic differential equations, controlled differential equations, and related systems in a way that fits naturally into modern machine learning and differentiable programming workflows. Because it is written to work closely with...
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  • 3
    AgentDock

    AgentDock

    Build Anything with AI Agents

    AgentDock is an open-source framework designed to simplify the development, orchestration, and deployment of AI agents capable of executing complex automated workflows. The platform provides a backend-first architecture that allows developers to create sophisticated agent systems while maintaining flexibility in model providers and infrastructure choices. It consists of two main components: a core framework that handles agent logic and orchestration, and a reference client application that demonstrates how agents can be deployed and interacted with through a web interface. ...
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  • 4
    Qualify

    Qualify

    Claude code to help you do lead research and qualification

    Qualify is a lightweight micro-CRM prototype and automation framework geared toward helping small teams and individual users manage leads, tasks, customer interactions, and simple sales pipelines without the overhead of traditional enterprise platforms. Rather than trying to replicate every feature of a full CRM suite, it focuses on core workflows like capturing leads, tracking stages, logging interactions, and generating reminders or alerts for follow-ups so that users spend more time...
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  • 5
    Go Katas

    Go Katas

    A collection of daily coding challenges

    ...Implementations can be tested locally, graded automatically with included test suites, and iterated on so that learners get rapid feedback and measurable progress. Because Go is widely used for backend services, cloud tooling, and systems programming, this repository helps participants build confidence in writing reliable, idiomatic, and maintainable code in real environments.
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  • 6
    1Code

    1Code

    Best UI for Claude Code

    ...Instead of manually bootstrapping similar projects from scratch, developers can choose from curated templates that include best practices for tooling, folder structure, configuration, and integrations for languages and frameworks spanning frontend, backend, and full-stack workflows. The templates in 1code are opinionated but configurable, giving teams a consistent baseline while still allowing customization to match specific technical requirements. It also provides utilities for code generation, linting, formatting, and local dev automation so developers can focus on writing domain logic rather than maintaining boilerplate. ...
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  • 7
    Counter

    Counter

    Web Analytics made simple

    counter.dev is a minimal web analytics server that prioritizes simplicity, speed, and privacy. The backend is designed to be resource-light while still providing the essential metrics teams care about, such as page views, referrers, and basic geography. Rather than storing everything in a monolithic database, it combines a fast in-memory store for hot data with archival to a traditional SQL store for long-term retention. The client snippet is tiny and cookieless, which helps reduce layout shift and keeps page performance high. ...
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  • 8
    Deep Research

    Deep Research

    Use any LLMs (Large Language Models) for Deep Research

    ...The project emphasizes privacy: processing and storage happen locally, avoiding server-side retention of your queries and notes. A simple web UI lets you enter topics and configure models, while the backend streams progress as sources are fetched and arguments are weighed. It offers MCP server support and SSE APIs, so IDEs and agent clients can drive the same workflow programmatically. The result is a repeatable process for scoping questions, collecting evidence, and producing a concise report with citations and reasoning steps.
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  • 9
    CodeWorld

    CodeWorld

    Educational computer programming environment using Haskell

    CodeWorld is an educational programming environment that uses a Haskell-inspired language to teach computational thinking through graphics and interactive animation. The web-based IDE provides immediate visual feedback: students write code that draws shapes, composes pictures, and responds to events to build simple games and simulations. Its API emphasizes mathematics and geometry rather than low-level UI details, making it approachable for classrooms and self-learners. Projects run in the...
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  • 10
    Meteor

    Meteor

    Meteor, the JavaScript App Platform

    Meteor is a full-stack JavaScript framework that streamlines building real-time web and mobile applications from a single codebase. It couples a Node.js backend with a reactive data system so UI updates propagate automatically when data changes. The framework popularized DDP (a lightweight pub/sub protocol) and a client cache (Minimongo) to mirror server collections on the client for latency-compensated interactions. A batteries-included build system, package ecosystem, and opinionated project structure reduce setup time for accounts, methods, publications, and UI integration. ...
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  • 11
    Mobility

    Mobility

    Pluggable Ruby translation framework

    Mobility is a gem for storing and retrieving translations as attributes on a class. These translations could be the content of blog posts, captions on images, tags on bookmarks, or anything else you might want to store in different languages. Storage of translations is handled by customizable "backends" which encapsulate different storage strategies. The default way to store translations is to put them all in a set of two shared tables, but many alternatives are also supported, including...
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  • 12
    SurrealDB

    SurrealDB

    A scalable, distributed, collaborative, document-graph database

    With an SQL-style query language, real-time queries with highly-efficient related data retrieval, advanced security permissions for multi-tenant access, and support for performant analytical workloads, SurrealDB is the next generation serverless database. SurrealDB is the ultimate cloud database for tomorrow's applications. SurrealDB is an innovative NewSQL cloud database, suitable for serverless applications, jamstack applications, single-page applications, and traditional applications. It...
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  • 13
    CrossUI

    CrossUI

    CrossUI is a free Cross-Browser Javascript framework

    ...Prototype, develop and package the exactly same code into Web Apps, Native Desktop (Windows, Linux and Mac) Apps, as well as Mobile Apps. Rich client-side API, works with any backend or static HTML pages. Web services (JSON/XML/SOAP) can be directly bound. More than 100 components, including Tabs, Dialog, TreeGrid, SVG Shapes, Chart and many other web GUI components. Support reusable modules. Wide cross-browser compatibility, IE6+, firefox3+, opera9+, safari3+ and Google Chrome. Full API Documentation with tons of samples. ...
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  • 14
    Flask-Caching

    Flask-Caching

    A caching extension for Flask

    Flask-Caching is an extension to Flask that adds caching support for various backends to any Flask application. By running on top of cachelib it supports all of werkzeug’s original caching backends through a uniformed API. It is also possible to develop your own caching backend by subclassing flask_caching.backends.base.BaseCache class. Flask’s pluggable view classes are also supported. To cache them, use the same cached() decorator on the dispatch_request method. Using the same @cached decorator you are able to cache the result of other non-view related functions. The only stipulation is that you replace the key_prefix, otherwise it will use the request.path cache_key. ...
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  • 15
    Tambo

    Tambo

    Add generative UI components to your AI assistant, copilot, or agent

    ...It acts as the bridge between an AI assistant and the React front end, letting your AI agent not only send text responses, but also generate interactive UI elements (forms, charts, dashboards, etc.). The library includes tools to scaffold a Tambo app, manage state, and integrate with its backend protocol (Model Context Protocol, or MCP). Developers use Tambo to shift UI logic toward the AI model: instead of hardcoding UI flows, the AI can decide what component to show next. Tambo also supports streaming updates (i.e. progressively rendering UI) and embedding interactions between LLM outputs and front-end state.
    Downloads: 1 This Week
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  • 16
    Blurhash

    Blurhash

    Library to show colorful blurry placeholders while your content loads

    ...The implementations are small and easy to port to new languages, and the end result is a smooth and interesting experience for your users. In short, BlurHash takes an image and gives you a short string (only 20-30 characters!) that represents the placeholder for this image. You do this on the backend of your service and store the string along with the image.
    Downloads: 1 This Week
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  • 17
    Alan AI

    Alan AI

    In-App assistant SDK to build a multimodal conversational UX websites

    ...It offers all the necessary tools to design, embed, and host your voice solutions. A powerful web-based IDE where you can write, test and debug dialog scenarios for your voice assistant or chatbot. Alan's AI-backend powered by the industry’s best Automatic Speech Recognition (ASR), Natural Language Understanding (NLU) and Speech Synthesis. The Alan Cloud provisions and handles the infrastructure required to maintain your voice deployments and perform all the voice processing tasks. To voice enable your app, you only need to get the Alan Client SDK and drop it to your app. ...
    Downloads: 1 This Week
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  • 18
    AIClient-2-API

    AIClient-2-API

    Simulates Gemini CLI, Antigravity, Qwen Code, and Kiro client

    AIClient-2-API is a developer-focused tool that acts as a compatibility layer, simulating multiple AI client interfaces and translating them into standardized API requests compatible with OpenAI-style endpoints. It enables developers to connect various AI tools and clients, such as Gemini CLI, Qwen Code, or other proprietary interfaces, into a unified backend without needing to rewrite integrations. The system is designed to support high-throughput usage, handling large volumes of requests while maintaining compatibility across different AI ecosystems. It also provides access to alternative models, including built-in support for certain Claude-based functionalities, expanding flexibility for developers working with multiple providers. ...
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  • 19
    DeepReasoning

    DeepReasoning

    High-performance API combining reasoning and creative AI models

    ...DeepReasoning provides both an API and a chat interface, allowing developers and users to interact with the combined models in a streamlined way. It emphasizes real-time streaming responses, where reasoning and final answers can be delivered efficiently in a single flow. Built with Rust, the backend focuses on performance, low latency, and efficient resource usage for demanding workloads. It follows a bring-your-own-key approach, giving users full control over their API credentials and data privacy. Additionally, it supports self-hosting and extensive configuration, making it suitable for developers who want flexibility and control.
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  • 20
    shadcn Taxonomy

    shadcn Taxonomy

    An open source application built using the new router

    ...The application uses a modern development stack including TypeScript, Tailwind CSS, and UI components based on Radix UI to build accessible and responsive interfaces. It also integrates backend functionality through Prisma ORM and database services while supporting API routes and middleware for server-side logic.
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  • 21
    lms

    lms

    LM Studio CLI

    ...By exposing model management capabilities through command-line commands, the tool enables developers to integrate local LLM operations into development pipelines and backend services. As a result, LMS acts as a bridge between interactive local AI tools and automated software development workflows.
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  • 22
    bitnet.cpp

    bitnet.cpp

    Official inference framework for 1-bit LLMs

    bitnet.cpp is the official open-source inference framework and ecosystem designed to enable ultra-efficient execution of 1-bit large language models (LLMs), which quantize most model parameters to ternary values (-1, 0, +1) while maintaining competitive performance with full-precision counterparts. At its core is bitnet.cpp, a highly optimized C++ backend that supports fast, low-memory inference on both CPUs and GPUs, enabling models such as BitNet b1.58 to run without requiring enormous compute infrastructure. The project’s focus on extreme quantization dramatically reduces memory footprint and energy consumption compared with traditional 16-bit or 32-bit LLMs, making it practical to deploy advanced language understanding and generation models on everyday machines. ...
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  • 23
    RSC Explorer

    RSC Explorer

    A tool for people curious about the React Server Components protocol

    RSC Explorer is an educational, experiment-friendly tool for understanding the React Server Components (RSC) protocol by making the streaming process visible and inspectable. It runs both the “server” and “client” sides of RSC in the browser, removing the need to set up a full backend just to learn how the protocol behaves. The core experience is the ability to step through the RSC stream incrementally, seeing what data arrives at each moment and how that data maps to the React tree being constructed. It includes a set of curated examples that demonstrate how server and client features can interoperate, helping you develop intuition for boundaries, references, and progressive rendering. ...
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  • 24
    ralph-loop-agent

    ralph-loop-agent

    Continuous Autonomy for the AI SDK

    ralph-loop-agent is an experimental autonomous agent framework from Vercel Labs that brings continuous autonomy to the AI SDK, enabling AI solutions to perform long-running, iterative tasks without manual stop/start intervention. Rather than simply answering a single request and stopping, Ralph Loop implements a loop control architecture that allows an agent to repeatedly evaluate its progress, adjust its approach, and continue working toward a defined completion criteria until tasks are...
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  • 25
    Weft

    Weft

    Task management, but AI agents do your tasks

    ...Instead of just listing to-dos, Weft lets users describe work and attach intelligent agents that read context, perform actions, and request approvals before committing state changes, making task execution partly automated without sacrificing control. It runs entirely on Cloudflare’s platform using Workers, Durable Objects, and Workflows, enabling scalable and persistent task state with minimal backend overhead. Users can set up parallel agents to handle multiple tasks at once and even schedule recurring jobs that trigger daily or weekly to keep workflows on track. Notifications inform the user when tasks are completed or when agent approvals are required, keeping oversight within reach.
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