Showing 1055 open source projects for "using"

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  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

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  • 1
    Eclipse Collections

    Eclipse Collections

    Eclipse Collections is a collections framework for Java

    ...Check out the Eclipse Collections Kata, a fun way to help you learn idiomatic Eclipse Collections usage. This particular kata is set up as a series of unit tests that fail. Your task is to make them pass, using Eclipse Collections.
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  • 2
    emotion

    emotion

    CSS-in-JS library designed for high performance style composition

    ...It provides powerful and predictable style composition in addition to a great developer experience with features such as source maps, labels, and testing utilities. Both string and object styles are supported. There are two primary methods of using Emotion. The first is framework agnostic and the second is for use with React. Similar to the style prop, but also has support for auto vendor-prefixing, nested selectors, and media queries. Allows developers to skip the styled API abstraction and style components and elements directly. The css prop also accepts a function that is called with your theme as an argument allowing developers easy access to common and customizable values. ...
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  • 3
    Compiled

    Compiled

    A familiar and performant compile time CSS-in-JS library for React

    A familiar and performant compile-time CSS-in-JS library for React. Using APIs and behavior you may already be familiar with, write your styles in JavaScript with the full power of CSS, leveraging the language to create expressive & dynamic experiences. Build with your bundler of choice or just Babel, resulting in very performant components that have their styles built ahead of time. Turn on extraction and all components styled in your app and sourced through NPM will have their runtime stripped and styles extracted to an atomic style sheet. ...
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  • 4
    NGX-Translate

    NGX-Translate

    The internationalization (i18n) library for Angular

    ...You can also extract the strings from your code with the extractor. This makes it really easy to start and maintain your translations. By default, there is no loader available. You can add translations manually using setTranslation but it is better to use a loader. You can write your own loader, or import an existing one.
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  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

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  • 5
    Binaryen

    Binaryen

    Compiler infrastructure and toolchain library for WebAssembly

    ...It accepts input in WebAssembly-like form but also accepts a general control flow graph for compilers that prefer that. Binaryen's internal IR uses compact data structures and is designed for completely parallel codegen and optimization, using all available CPU cores. Binaryen's IR also compiles down to WebAssembly extremely easily and quickly because it is essentially a subset of WebAssembly. Binaryen's optimizer has many passes (see an overview later down) that can improve code size and speed. These optimizations aim to make Binaryen powerful enough to be used as a compiler backend by itself.
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  • 6
    Doctrine Collections

    Doctrine Collections

    Collections abstraction library

    Doctrine Collections is a library that contains classes for working with arrays of data. Doctrine Collections provides an interface named Doctrine\Common\Collections\Collection that resembles the nature of a regular PHP array. That is, it is essentially an ordered map that can also be used like a list. A Collection has an internal iterator just like a PHP array. In addition, a Collection can be iterated with external iterators, which is preferable. To use an external iterator simply use the...
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  • 7
    DeepSeed

    DeepSeed

    Deep learning optimization library making distributed training easy

    ...DeepSpeed delivers extreme-scale model training for everyone, from data scientists training on massive supercomputers to those training on low-end clusters or even on a single GPU. Using current generation of GPU clusters with hundreds of devices, 3D parallelism of DeepSpeed can efficiently train deep learning models with trillions of parameters. With just a single GPU, ZeRO-Offload of DeepSpeed can train models with over 10B parameters, 10x bigger than the state of arts, democratizing multi-billion-parameter model training such that many deep learning scientists can explore bigger and better models. ...
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  • 8
    factory_bot

    factory_bot

    A library for setting up Ruby objects as test data

    factory_bot is a fixtures replacement with a straightforward definition syntax, support for multiple build strategies (saved instances, unsaved instances, attribute hashes, and stubbed objects), and support for multiple factories for the same class (user, admin_user, and so on), including factory inheritance. factory_bot provides a framework and DSL for defining and using factories - less error-prone, more explicit, and all-around easier to work with than fixtures. Each factory has a name and a set of attributes. The name is used to guess the class of the object by default. It is recommended that you have one factory for each class that provides the simplest set of attributes necessary to create an instance of that class. ...
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  • 9
    hyper for Rust

    hyper for Rust

    An HTTP library for Rust

    ...Both are built on top of this library. A Service lets you define how to respond to incoming requests. While it is possible to implement the trait directly, there are a few patterns that are common when using Hyper. We’ve included some helpers for when these patterns fit our needs. An echo server will listen for incoming connections and send back the request body as the response body on POST requests.
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  • Rezku Point of Sale Icon
    Rezku Point of Sale

    Designed for Real-World Restaurant Operations

    Rezku is an all-inclusive ordering platform and management solution for all types of restaurant and bar concepts. You can now get a fully custom branded downloadable smartphone ordering app for your restaurant exclusively from Rezku.
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  • 10
    zpdf

    zpdf

    Zero-copy PDF text extraction library written in Zig

    ...It leans heavily on memory-mapped file reading and zero-copy patterns where possible, so it can scan large PDFs without repeatedly copying data around in memory. The library supports streaming extraction using efficient arena allocation, making it well suited for workloads that need to process big documents quickly or in batches. It implements multiple PDF decompression filters and handles common font encoding pathways, which are essential for turning raw PDF content streams into readable text. It also understands both classic cross-reference tables and newer cross-reference streams, including PDF 1.5+ features, and it offers configurable strict vs permissive error handling depending on whether you prioritize correctness or robustness.
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  • 11
    derive(Error)

    derive(Error)

    derive(Error) for struct and enum error types

    ...The goal is to enable library authors to build expressive, typed error types, with readable Display implementations (via #[error("...")] annotations) as well as From conversions (#[from]), source tracking (#[source]), and optionally backtraces. It is designed so that switching from handwritten error implementation to using this error is not a breaking change: you retain the same API. The README shows examples: an enum with variants annotated by #[error("…")] and #[from] fields to derive the appropriate trait impls. The crate expects rustc ≥ 1.68+. The README also outlines how you choose; use thiserror if you care about designing your own error-types (e.g., for libraries) vs anyhow for applications.
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  • 12
    Node.js Best Practices

    Node.js Best Practices

    The Node.js best practices list (July 2024)

    ...Each guideline is phrased as a practical recommendation with motivation and trade-offs, not just a rule, which makes it easier to reach team consensus. The content aims to be technology-agnostic within the Node ecosystem, providing patterns that work whether you’re using Express, Fastify, Nest, or custom frameworks. It is designed for real-world constraints: production deployment, observability, CI/CD, containerization, and cross-functional collaboration. Because it’s continuously updated, the guide helps keep engineering standards aligned with evolving Node versions and tooling, turning tribal knowledge into a shared, documented baseline for teams.
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  • 13
    996.ICU

    996.ICU

    Repo for counting stars and contributing

    ...The project also fostered translations and international outreach, turning a regional issue into a worldwide conversation about humane work standards. Its simplicity—a README-driven campaign—showed how developer communities can advocate collectively. Beyond code, it stands as an example of using open repositories to coordinate social action in tech.
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  • 14
    Double Conversion

    Double Conversion

    Efficient binary-decimal & decimal-binary conversion routines for IEEE

    ...It is optimized for both speed and correctness, making it ideal for numerical computation libraries, serialization systems, and scripting engines. The codebase includes detailed documentation and comprehensive unit tests to validate correctness across various platforms. With flexible build options using SCons, CMake, or Bazel, Double Conversion integrates seamlessly into modern C++ development workflows.
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  • 15
    RE2/J

    RE2/J

    linear time regular expression matching in Java

    ...Unlike traditional regex engines such as Java’s java.util.regex, PCRE, or Perl’s implementation—which rely on backtracking and can suffer from catastrophic exponential runtimes—RE2/J guarantees linear-time matching relative to input size. It achieves this efficiency by simulating all possible matches in a single pass using a nondeterministic finite automaton (NFA), ensuring predictable and safe performance even with complex patterns. This makes RE2/J ideal for applications that must handle user-supplied regular expressions securely without the risk of denial-of-service through regex backtracking. While it omits some advanced features like backreferences and certain Java regex options, it supports the vast majority of practical expressions used in production code. ...
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  • 16
    Tunix

    Tunix

    A JAX-native LLM Post-Training Library

    ...Tunix also leans into research ergonomics: logging, checkpointing, and metrics are built in, and the code is written to be hackable rather than monolithic. Overall it aims to shorten the path from an off-the-shelf base model to a well-aligned, task-ready model using scalable JAX primitives.
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  • 17
    Google API JavaScript Client

    Google API JavaScript Client

    Google APIs Client Library for browser JavaScript, aka gapi

    This library (often used via gapi) provides a browser-friendly way to call Google APIs using OAuth 2.0 and generated discovery documents. It abstracts discovery, auth, and HTTP details so developers can focus on domain calls like Drive file operations, Calendar events, or YouTube data. The client can load APIs dynamically at runtime, which keeps bundles small and allows late-binding to specific services and versions. It includes helpers for incremental auth, token refresh, and scopes so apps can request only what they need when they need it. ...
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  • 18
    BTree implementation for Go

    BTree implementation for Go

    BTree provides a simple, ordered, in-memory data structure for Go

    This package is a high-performance, in-memory B-tree for Go that implements an ordered set/map with efficient insert, delete, and range iteration. It’s parameterized by tree degree so callers can tune cache behavior and memory overhead for their workload. Instead of relying on Go’s built-in maps—which are hash-based and unordered—btree preserves sorted order and provides rich traversal APIs like ascending, descending, and range scans. The implementation favors minimal allocations and...
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  • 19
    LangExtract

    LangExtract

    A Python library for extracting structured information

    ...LangExtract supports a wide range of models, including Google Gemini, OpenAI GPT, and local LLMs via Ollama, making it adaptable to different deployment environments and compliance needs. The system excels at handling long documents using optimized chunking, multi-pass extraction, and parallel processing to ensure both high recall and structured consistency.
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  • 20
    MuJoCo Playground

    MuJoCo Playground

    An open source library for GPU-accelerated robot learning

    ...MuJoCo Playground supports both the MJX JAX implementation and the Warp physics engine, enabling flexible use across research pipelines. The environments are designed for fast training, compatibility with reinforcement learning libraries, and real-time trajectory visualization using rscope.
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  • 21
    Pundit

    Pundit

    Minimal authorization through OO design and pure Ruby classes

    ...It centers around policy classes—one policy per model or resource—that define what actions a given user is permitted to perform (e.g., show?, update?, destroy?). Each policy method returns a boolean, and can be structured using combinators or shared logic to keep things DRY. In controllers and views, Pundit provides helpers like authorize, policy_scope, and policy to enforce those rules cleanly and consistently. The policy_scope feature is especially helpful—it restricts index or list queries to only the records the current user can see by applying scopes defined in the policy class. ...
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  • 22
    Brick

    Brick

    A declarative Unix terminal UI library written in Haskell

    ...Unlike most GUI toolkits which require you to write a long and tedious sequence of widget creations and layout setup, brick just requires you to describe your interface using a set of declarative layout combinators. Event-handling is done by pattern-matching on incoming events and updating your application state. Under the hood, this library builds upon vty, so some knowledge of Vty will be necessary to use this library. Brick depends on vty-crossplatform, so Brick should work anywhere Vty works (Unix and Windows). ...
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  • 23
    Runeset

    Runeset

    Fast UTF-8 codepoint sets for Zig

    ...There may be prior art, it's remarkably difficult to search for "UTF-8 character sets" and find papers on set data structures, so I can't say with high confidence that it's truly novel; in a sense, it's an obvious extension of the widespread practice of using a pair of u64 bitmasks to detect a set of ASCII values. What I can say is: it's effective. The RuneSet struct is just a slice of u64, offering a few variations on set membership tests, depending on how confident you are that the string it's testing is valid UTF-8, and what you would like the test to do in the event that it isn't.
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  • 24
    Relay Library for GraphQL.js

    Relay Library for GraphQL.js

    A library to help construct a graphql-js server supporting react-relay

    A library to help construct a graphql-js server supporting react-relay. This is a library to allow the easy creation of Relay-compliant servers using the GraphQL.js reference implementation of a GraphQL server. A basic understanding of GraphQL and of the GraphQL.js implementation is needed to provide context for this library. This library is designed to work with the GraphQL.js reference implementation of a GraphQL server. An overview of the functionality that a Relay-compliant GraphQL server should provide is in the GraphQL Relay Specification on the Relay website. ...
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  • 25
    GraphQL Kotlin

    GraphQL Kotlin

    Libraries for running GraphQL in Kotlin

    ...As your schema scales to hundreds of types and many different resolvers, it can get more difficult to track what code needs to be changed if you want to add a new field, deprecate or delete an existing one, or fix a bug in the resolver code. graphql-kotlin-schema-generator aims to simplify this process by using Kotlin reflection to generate the schema for you. All you need to do is write your schema code in a Kotlin class.
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