Libraries for ChromeOS

  • Gemini 3 and 200+ AI Models on One Platform Icon
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  • 1
    reCAPTCHA

    reCAPTCHA

    PHP client library for reCAPTCHA, a free service

    reCAPTCHA is Google’s human-verification system that helps websites distinguish real users from automated abuse while keeping friction low for legitimate traffic. The project bundles client and server examples, language-specific helpers, and documentation patterns for integrating reCAPTCHA v2 and v3 flows into web forms and APIs. Its design philosophy is “risk-based”: most users pass silently based on behavioral signals, while higher-risk interactions may be challenged with an image, checkbox, or other verification step. Site owners register keys, embed a small client script, and verify tokens on the server to protect actions like sign-ups, logins, and form submissions. The ecosystem supports mobile and enterprise variants, but the repo focuses on common web integrations and best practices for verifying the token securely. Deployed correctly, reCAPTCHA reduces credential stuffing, bot sign-ups, and scraping without degrading the experience for typical users.
    Downloads: 2 This Week
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    rust_core

    rust_core

    A pure Dart implementation of patterns found in Rust's core library

    rust_core is a pure Dart implementation of patterns found in Rust's core library, bringing the power of Rust to Dart.
    Downloads: 2 This Week
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  • 3
    segyio

    segyio

    Fast Python library for SEGY files

    Segyio is a small LGPL-licensed C library for easy interaction with SEG-Y and Seismic Unix formatted seismic data, with language bindings for Python and Matlab. Segyio is an attempt to create an easy-to-use, embeddable, community-oriented library for seismic applications. Features are added as they are needed; suggestions and contributions of all kinds are very welcome.
    Downloads: 2 This Week
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  • 4
    spartan

    spartan

    Cutting-edge tools powering Angular full-stack development

    spartan is a modern, experimental full-stack toolkit designed to enhance Angular development by combining a flexible UI component system with a broader application stack. It is structured as a monorepo that includes both a UI library and a full-stack solution, enabling developers to build complete applications with consistent tooling and design patterns. One of its defining characteristics is its inspiration from libraries like shadcn/ui, emphasizing ownership of code rather than heavy abstraction, which allows developers to fully customize and extend their components. The UI layer is built on accessible, unstyled primitives that can be enhanced with styled layers, giving teams control over both accessibility and visual design without being locked into a rigid theme. Spartan integrates well with modern Angular tooling such as Nx and Tailwind CSS, making it suitable for scalable, enterprise-level projects.
    Downloads: 2 This Week
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  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
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  • 5
    templUI

    templUI

    A growing collection of beautifully designed UI components for Go

    templUI is a modern UI component library built specifically for Go applications using the templ templating language, offering a developer-first approach to building interfaces with strong type safety and performance. It provides a growing collection of beautifully designed, production-ready components styled with Tailwind CSS, allowing developers to construct modern web interfaces without relying on heavy frontend frameworks. One of its defining principles is code ownership, meaning developers can either import components directly or copy them into their projects using a CLI, ensuring full control over customization and long-term maintenance. The library avoids JavaScript frameworks entirely, instead relying on lightweight, vanilla implementations that prioritize speed and simplicity. templUI also emphasizes security and compliance, with features such as CSP-friendly rendering and no inline scripts, making it suitable for enterprise environments.
    Downloads: 2 This Week
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  • 6
    tobi try

    tobi try

    Fresh directories for every vibe

    try is a lightweight Ruby command-line tool for managing short-lived experiment directories. It is built for developers who constantly create quick tests, prototypes, proof-of-concepts, and late-night coding experiments that usually get lost across temporary folders. The tool gives every experiment a dated home, then makes it easy to find and reopen past work with fuzzy search. It favors simplicity, using a one-file Ruby script with no dependencies and very little setup. Smart sorting brings recently used experiments to the top, which helps users jump back into active ideas without remembering exact folder names. It is ideal for developers who want a low-friction workspace system for creative technical exploration without turning every experiment into a full project.
    Downloads: 2 This Week
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  • 7
    urllib3

    urllib3

    Python HTTP library with thread-safe connection pooling

    urllib3 is a powerful, user-friendly HTTP client for Python. Much of the Python ecosystem already uses urllib3 and you should too. Thread safety, connection pooling. Client-side TLS/SSL verification. File uploads with multipart encoding. Helpers for retrying requests and dealing with HTTP redirects. Support for gzip, deflate, brotli, and zstd encoding. Proxy support for HTTP and SOCKS. 100% test coverage. Professional support for urllib3 is available as part of the Tidelift Subscription. Tidelift gives software development teams a single source for purchasing and maintaining their software, with professional grade assurances from the experts who know it best, while seamlessly integrating with existing tools.
    Downloads: 2 This Week
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  • 8
    webgl-plot

    webgl-plot

    A high-Performance real-time 2D plotting library based on native WebGL

    webgl-plot is a high-performance plotting library for real-time data visualization in the browser using WebGL. Unlike traditional canvas or SVG-based charting libraries, webgl-plot is optimized for streaming and dynamic updates, making it ideal for oscilloscope-style data, biomedical signals, or any application where data updates hundreds of times per second. Its minimal memory footprint and GPU acceleration ensure excellent performance even with tens of thousands of data points, and its simple API allows developers to get started quickly.
    Downloads: 2 This Week
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  • 9
    The database access library for C++ programmers that provides the illusion of embedding SQL in regular C++ code, staying entirely within the C++ standard.
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    Downloads: 27 This Week
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  • Streamline Azure Security with Palo Alto Networks VM-Series Icon
    Streamline Azure Security with Palo Alto Networks VM-Series

    Centrally manage physical and virtualized firewalls with Panorama

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  • 10
    Fast Artificial Neural Network Library is a free open source neural network library, which implements multilayer artificial neural networks in C with support for both fully connected and sparsely connected networks. Cross-platform execution in both fixed and floating point are supported. It includes a framework for easy handling of training data sets. It is easy to use, versatile, well documented, and fast. Bindings to more than 15 programming languages are available. An easy to read introduction article and a reference manual accompanies the library with examples and recommendations on how to use the library. Several graphical user interfaces are also available for the library.
    Downloads: 10 This Week
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  • 11
    POCO C++ Libraries

    POCO C++ Libraries

    Cross-platform C++ libraries with a network/internet focus.

    NOTE: Current source code as well as bugs/patches are on GitHub: https://github.com/pocoproject/poco/ C++ class libraries for network-centric, portable applications, integrated perfectly with the C++ Standard Library. Includes network protocols (Sockets, HTTP, FTP, SMTP, POP3, etc.), SQL database access and XML parsing. Licensed under Boost license.
    Downloads: 7 This Week
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  • 12
    CSSBox

    CSSBox

    Pure Java HTML / CSS rendering engine

    CSSBox is an (X)HTML/CSS rendering engine written in pure Java. Its primary purpose is to provide a complete information about the rendered page suitable for further processing. However, it also allows displaying the rendered document.
    Downloads: 9 This Week
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  • 13

    libdxfrw

    library to read dwg & read/write dxf files

    c++ library to read/write DXF files in binary and ascii form and to read DWG from r14 to v2015 Continued at: https://github.com/LibreCAD/libdxfrw
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    Downloads: 16 This Week
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  • 14
    100 proyectos de JavaScript

    100 proyectos de JavaScript

    100 JavaScript projects with code and videos for free

    100 proyectos de JavaScript is a large collection of 100 JavaScript projects, each with source code and an accompanying video tutorial, offered entirely for free. The repository is tied to the website javascript100.dev, which presents the projects as a structured learning path so learners can progressively build their skills through practice.Each project lives in its own numbered folder (for example, 01-tinder-swipe), and the README explains how to run them via the VS Code Live Preview extension, making it easy for beginners to get them running without complex tooling. The projects cover a variety of small apps and UI experiments, such as swipe interactions, classic games, typing tests, and more, focusing on vanilla JavaScript with HTML and CSS to reinforce core skills. The contribution section invites the community to fork the repo, implement or improve projects, and open pull requests, turning the collection into a collaborative learning space.
    Downloads: 1 This Week
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  • 15
    21st.dev

    21st.dev

    Largest marketplace of shadcn/ui-based components

    21st is an open-source community-driven registry and marketplace for modern React UI components, designed to streamline the discovery, sharing, and installation of reusable interface elements. It functions similarly to a package manager for design engineers, allowing users to browse and install components built with Tailwind CSS and Radix UI directly into their projects. The platform emphasizes minimal, production-ready components that follow modern design and accessibility practices, making it easier to build high-quality interfaces without starting from scratch. Developers can publish their own components to the registry, where they go through a review process before being featured or widely distributed. Each component can include multiple demos, previews, and usage examples, helping users understand how to integrate and customize them. The system also supports TypeScript out of the box, ensuring strong typing and developer experience.
    Downloads: 1 This Week
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  • 16
    AS3 Utils

    AS3 Utils

    reusable package-level functions that solve common problems

    as3-utils is a collection of reusable utility functions and object extensions for ActionScript 3, meant to solve common programming tasks. It provides packages of functions for manipulating arrays, strings, dates, colors, events, HTML, conversion routines, validation, etc. The goal is to give AS3 developers a grab-bag of handy tools so they don’t have to reinvent boilerplate code. Many of these utilities are copied/pasted from open-source projects from around the web. We will attribute functions to their creators (it's on our list of things to do), and we hope function authors understand that we're not trying to take credit for their work.
    Downloads: 1 This Week
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  • 17
    AS3Libs

    AS3Libs

    A collection of AS3 libraries and sketches

    AS3Libs is a collection of ActionScript 3 libraries and sample sketches maintained by Grant Skinner. It includes many small independent libraries for things like collision detection, color matrices/filters, particle effects, random number utilities, path-finding, etc., as well as smaller visual/interactive sketch examples. It is intended as a resource/toolbox for developers building in AS3 (Flash / AIR). Simple library for breaking intensive tasks up across frames to maintain UI responsiveness (simple green threads). Provides common color adjustment methods for use with ColorMatrixFilter. Uses the same math/values as the Flash Pro IDE's "Adjust Color" filter.
    Downloads: 1 This Week
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  • 18
    AboutLibraries

    AboutLibraries

    AboutLibraries automatically collects all dependencies and licenses

    .. collects all dependency details including licenses at compile time, and offers simple APIs to visualize these in the app. No runtime overhead. Strong caching. Any gradle dependency is supported.
    Downloads: 1 This Week
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  • 19
    Acl

    Acl

    A powerful server and network library, including coroutine

    The Acl (Advanced C/C++ Library) project a is powerful multi-platform network communication library and service framework, supporting LINUX, WIN32, Solaris, FreeBSD, MacOS, AndroidOS, iOS. Many applications written by Acl run on these devices with Linux, Windows, iPhone and Android and serve billions of users. There are some important modules in Acl project, including network communcation, server framework, application protocols, multiple coders, etc. The common protocols such as HTTP/SMTP/ICMP//MQTT/Redis/Memcached/Beanstalk/Handler Socket are implemented in Acl, and the codec library such as XML/JSON/MIME/BASE64/UUCODE/QPCODE/RFC2047/RFC1035, etc., are also included in Acl. Acl also provides a unified abstract interface for popular databases such as Mysql, Postgresql, Sqlite. Using Acl library users can write database applications more easily, quickly and safely.
    Downloads: 1 This Week
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  • 20
    Adafruit Unified Sensor Driver

    Adafruit Unified Sensor Driver

    Common sensor library

    Many small embedded systems exist to collect data from sensors, analyze the data, and either take appropriate action or send that sensor data to another system for processing. One of the many challenges of embedded systems design is the fact that parts you used today may be out of production tomorrow, or system requirements may change and you may need to choose a different sensor down the road. Creating new drivers is a relatively easy task, but integrating them into existing systems is both error-prone and time-consuming since sensors rarely use the exact same units of measurement. By reducing all data to a single sensors_event_t 'type' and settling on specific, standardized SI units for each sensor family the same sensor types return values that are comparable with any other similar sensor. This enables you to switch sensor models with very little impact on the rest of the system, which can help mitigate some of the risks and problems of sensor availability.
    Downloads: 1 This Week
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  • 21
    Aeson

    Aeson

    A fast Haskell JSON library

    aeson is a high-performance Haskell library for JSON parsing and encoding, optimized for speed and ease of use. It serves as a foundational tool in the Haskell ecosystem for handling JSON data efficiently. High-performance optimized for real-world workloads. Widely used and well-maintained community library. Compatible with popular frameworks and the Haskell web ecosystem. Easy-to-use API (e.g., FromJSON, ToJSON typeclasses). Fast JSON parsing and serialization.
    Downloads: 1 This Week
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  • 22
    Agrona

    Agrona

    High Performance data structures and utility methods for Java

    Agrona provides a library of data structures and utility methods that are a common need when building high-performance applications in Java. Many of these utilities are used in the Aeron efficient reliable UDP unicast, multicast, and IPC message transport and provides high-performance buffer implementations to support the Simple Binary Encoding Message Codec.
    Downloads: 1 This Week
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  • 23
    Android Contacts, Reborn

    Android Contacts, Reborn

    Android Contacts API Library written in Kotlin

    This library provides a complete set of APIs to do everything you need with Contacts in Android. You no longer have to deal with the Contacts Provider, database operations, and cursors. Whether you just need to get all or some Contacts for a small part of your app (written in Kotlin or Java), or you are looking to create your own full-fledged Contacts app with the same capabilities as the AOSP Android Contacts app and Google Contacts app, this library is for you.
    Downloads: 1 This Week
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  • 24
    Android Developer Roadmap

    Android Developer Roadmap

    The Android Developer Roadmap offers comprehensive learning paths

    Android Developer Roadmap suggests learning paths to understanding Android development. The Android Developer Roadmap is designed to give you a comprehensive understanding of the current Android ecosystem and provides suggested learning paths along the way to help you grasp the concepts. Each node indicates concepts of Android systems, Android SDK, and generally used libraries. It would be helpful to refer to the Android Developers Reference or GitHub for the specific terminologies. In addition, you don't need to learn everything from this roadmap. So we recommend only reading the sections that would be helpful to you.
    Downloads: 1 This Week
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  • 25
    Anvil

    Anvil

    A Kotlin compiler plugin to make dependency injection with Dagger 2

    Anvil is a Kotlin compiler plugin to make dependency injection with Dagger easier by automatically merging Dagger modules and component interfaces. In a nutshell, instead of manually adding modules to a Dagger component and making the Dagger component extend all component interfaces, these modules and interfaces can be included in a component automatically.
    Downloads: 1 This Week
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