Showing 258 open source projects for "qr code system"

View related business solutions
  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Try It Free
  • Stop vibe-debugging. Icon
    Stop vibe-debugging.

    Plug Claude into your app's actual errors.

    AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
    Free 30 days.
  • 1
    Spectacle

    Spectacle

    A ReactJS based Presentation Library

    Spectacle is an open source presentation library based on React.js. It lets you create sleek presentations using JSX syntax, giving you the ability to live demo your code. Spectacle’s presentations are lively and interactive, with clickable elements, themes, custom backgrounds, animations, and many other fun and unique elements you can add to make your presentations pop. With Spectacle you can also live demo your code in real time without having to leave the presentation deck. Code blocks...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    libuv

    libuv

    Cross-platform asynchronous I/O

    ...It provides a consistent event-loop and I/O abstraction layer across a range of systems, making non-blocking operations portable and efficient. Full-featured event loop backed by epoll, kqueue, IOCP, event ports. Asynchronous TCP and UDP sockets. Asynchronous DNS resolution. Asynchronous file and file system operations. File system events, ANSI escape code-controlled TTY. IPC with socket sharing, using Unix domain sockets or named pipes (Windows).
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    Particle Firmware for the Electron, P1

    Particle Firmware for the Electron, P1

    Device OS (Firmware) for particle devices

    The Photon uses an ARM Cortex M3 CPU based microcontroller. All of the code is built around the GNU GCC toolchain offered and maintained by ARM. The build requires version 5.3.1 20160307 or newer of ARM GCC and will print an error message if the version is older than this. In order to turn your source code into binaries, you will need a tool called make. Windows users need to explicitly install make on their machines. Make sure you can use it from the terminal window. The entire Particle...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Apollo-11

    Apollo-11

    Original Apollo 11 Guidance Computer (AGC) source code

    Apollo-11 hosts the original Apollo 11 Guidance Computer (AGC) source code for the Command Module and Lunar Module, faithfully transcribed from historical listings. It is written in AGC assembly and reflects 1960s software engineering practices, complete with comments from the original programmers. The code is both a cultural artifact and a technical reference, illustrating how limited memory and processor constraints shaped algorithms and system design.
    Downloads: 0 This Week
    Last Update:
    See Project
  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • 5
    Pothos GraphQL

    Pothos GraphQL

    Pothos GraphQL is library for creating GraphQL schemas in typescript

    ...The core of Pothos adds 0 overhead at runtime, and has graphql as its only dependency. Pothos is the most type-safe way to build GraphQL schemas in typescript, and by leveraging type inference and typescript's powerful type system Pothos requires very few manual type definitions and no code generation. Pothos has a unique and powerful plugin system that makes every plugin feel like its features are built into the core library. Plugins can extend almost any part of the API by adding new options or methods that can take full advantage of the Pothos type system. ...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Better Auth

    Better Auth

    The most comprehensive authentication library for TypeScript

    Better Auth is framework-agnostic authentication (and authorization) library for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in a short amount of time. Whether you need 2FA, multi-tenant support, or other complex features. It lets you focus on building your actual application instead of reinventing the wheel.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    CodeGuide

    CodeGuide

    This repository is a collection of the author, Xiao Fuge

    ...The project serves as a structured and comprehensive learning path for developers who want to strengthen their understanding of Java fundamentals and core programming practices. It includes detailed explanations of design patterns, source code analysis, frameworks, algorithms, and real-world project cases. The repository emphasizes practical coding skills, providing examples that can be directly applied in professional software engineering. It also functions as a guide for both junior developers who want to grow into architects and experienced engineers who seek deeper mastery of system design. ...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    SWR

    SWR

    React Hooks library for remote data fetching

    The name “SWR” is derived from stale-while-revalidate, a HTTP cache invalidation strategy popularized by HTTP RFC 5861. SWR is a strategy to first return the data from cache (stale), then send the fetch request (revalidate), and finally come with the up-to-date data. With SWR, components will get a stream of data updates constantly and automatically. And the UI will be always fast and reactive. With just one single line of code, you can simplify the logic of data fetching in your project,...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 9
    spdlog

    spdlog

    Fast C++ logging library

    spdlog is a header only library. Just copy the files under include to your build tree and use a C++11 compiler. It provides a python like formatting API using the bundled fmt lib. spdlog takes the "include what you need" approach, your code should include the features that actually needed. For example, if you only need rotating logger, you need to include "spdlog/sinks/rotating_file_sink.h". spdlog provides various log targets, which are, rotating log files, daily log files, console logging...
    Downloads: 4 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 10
    Hello ImGui

    Hello ImGui

    Hello, Dear ImGui: unleash your creativity in app development

    hello_imgui is a cross-platform framework that simplifies the development of graphical applications using Dear ImGui. It abstracts away boilerplate code for window creation, input handling, and platform integration, allowing developers to focus on building user interfaces and interactive content quickly. Targeted at prototyping, tools, and GUI apps, hello_imgui works on Windows, macOS, Linux, iOS, and WebAssembly with minimal setup. Its plug-and-play nature makes it ideal for teaching,...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    AtlantaFX

    AtlantaFX

    Modern JavaFX CSS theme collection with additional controls

    Modern JavaFX CSS theme collection with additional controls.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 12
    Knowledge Work Plugins

    Knowledge Work Plugins

    Open source repository of plugins intended for knowledge workers

    Knowledge Work Plugins is Anthropic’s open-source repository of plugin-style Markdown packs for knowledge-work use cases in Claude Cowork and related Claude Code workflows. It is designed to give AI assistants structured domain instructions rather than relying on generic chat behavior. The repository includes plugins for practical office, research, legal, and business workflows, with each plugin stored as editable Markdown. This makes the system easy to inspect, fork, customize, and adapt to an organization’s own process. ...
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    reproc

    reproc

    A cross-platform (C99/C++11) process library

    reproc (Redirected Process) is a cross-platform C/C++ library that simplifies starting, stopping and communicating with external programs. The main use case is executing command line applications directly from C or C++ code and retrieving their output. reproc consists out of two libraries: reproc and reproc++. reproc is a C99 library that contains the actual code for working with external programs. reproc++ depends on reproc and adapts its API to an idiomatic C++11 API. It also adds a few...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    zag

    zag

    Finite state machines for building accessible design systems and UI

    ...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. Finite state machines for building accessible design systems and UI components. Works with React, Vue and Solid.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    My Python Eggs

    My Python Eggs

    Python Examples

    My Python Eggs, commonly associated with the geekcomputers Python repository, is a large collection of practical Python scripts and small programs created primarily for experimentation, automation, and educational purposes. Rather than being a single cohesive application, it functions as a repository of utilities that demonstrate how Python can be used to solve everyday problems and automate repetitive tasks. The scripts cover a wide range of topics, including file management, networking,...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    Coraza

    Coraza

    OWASP Coraza WAF is a golang modsecurity compatible firewall library

    Coraza is an open-source, enterprise-grade, high-performance Web Application Firewall (WAF) ready to protect your beloved applications. It is written in Go, supports ModSecurity SecLang rulesets and is 100% compatible with the OWASP Core Rule Set. Coraza is a drop-in alternative to replace the soon-to-be abandoned Trustwave ModSecurity Engine and supports industry-standard SecLang rule sets. Coraza runs the OWASP Core Rule Set (CRS) to protect your web applications from a wide range of...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    hello.js

    hello.js

    API library for connecting with OAuth2 services

    A client-side JavaScript SDK for authenticating with OAuth2 (and OAuth1 with an OAuth proxy) web services and querying their REST APIs. HelloJS standardizes paths and responses to common APIs like Google Data Services, Facebook Graph and Windows Live Connect. It’s modular, so that list is growing. No more spaghetti code! Compiled source, which combines all of the modules, can be obtained from GitHub, and source files can be found in Source. The Bower package shall install the aforementioned...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Gen.jl

    Gen.jl

    A general-purpose probabilistic programming system

    An open-source stack for generative modeling and probabilistic inference. Gen’s inference library gives users building blocks for writing efficient probabilistic inference algorithms that are tailored to their models, while automating the tricky math and the low-level implementation details. Gen helps users write hybrid algorithms that combine neural networks, variational inference, sequential Monte Carlo samplers, and Markov chain Monte Carlo. Gen features an easy-to-use modeling language...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    GOV.UK Vue

    GOV.UK Vue

    A Vue 3 component library for GOV.UK Frontend and the GOV.UK Design

    GOV.UK Vue is a Vue 3 component library for GOV.UK Frontend. It enables you to build Vue apps based on the GOV.UK Design System.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    MirageOS

    MirageOS

    MirageOS is a library operating system that constructs unikernels

    A programming framework for building type-safe, modular systems. MirageOS is a library operating system that constructs unikernels for secure, high-performance network applications across a variety of cloud computing and mobile platforms. Code can be developed on a normal OS such as Linux or macOS, and then compiled into a fully standalone, specialized unikernel that runs under a Xen or KVM hypervisor. This lets your services run more efficiently, securely and with finer control than with a full conventional software stack.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Cytoscape.js

    Cytoscape.js

    Graph theory library for visualization and analysis

    A fully featured graph library written in pure JS. Permissive open source license (MIT) for the core Cytoscape.js library and all first-party extensions. Used in commercial projects and open-source projects in production. Designed for users first, for both frontfacing app usecases and developer usecases. Highly optimized. Compatible with All modern browsers. Legacy browsers with ES5 and canvas support. ES5 and canvas support are required, and feature detection is used for optional...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Elasticsearch Node.js client

    Elasticsearch Node.js client

    Elasticsearch client library for Node.js

    Node.js client for Elasticsearch. The client versioning follows the Elastic Stack versioning, this means that major, minor, and patch releases are done following a precise schedule that often does not coincide with the Node.js release times. Language clients are forward compatible; meaning that clients support communicating with greater or equal minor versions of Elasticsearch. Elasticsearch language clients are only backwards compatible with default distributions and without guarantees...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    dockview

    dockview

    Zero dependency docking layout manager supporting tabs

    ...The system also supports theming and customization through CSS variables, allowing seamless integration into different design systems.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    baoyu-skills

    baoyu-skills

    Skills shared by Baoyu for improving daily work efficiency with Claude

    ...The system supports marketplace-style installation, where users can selectively install or update individual skills rather than a monolithic package. It integrates with various external services, including AI APIs and browser automation tools, to expand its capabilities beyond basic text processing.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    mobx-state-tree

    mobx-state-tree

    Full-featured reactive state management without the boilerplate

    Technically speaking, MobX-State-Tree (also known as MST) is a state container system built on MobX, a functional reactive state library. This may not mean much to you, and that’s okay. I’ll explain it like this: MobX is a state management "engine", and MobX-State-Tree gives it structure and common tools you need for your app. MST is valuable in a large team but also useful in smaller applications when you expect your code to scale rapidly.
    Downloads: 0 This Week
    Last Update:
    See Project
Auth0 Logo