Showing 918 open source projects for "utility"

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  • 1
    Prometheus JVM Client

    Prometheus JVM Client

    Prometheus instrumentation library for JVM applications

    It supports Java, Clojure, Scala, JRuby, and anything else that runs on the JVM. If you use Maven, you can simply reference the assets below. The latest version can be found on in the maven repository for io.prometheus. By default, counters, histograms, and summaries export an additional series suffixed with _created and a value of the unix timestamp for when the metric was created. Building the repository needs Java 11 (The project the project still supports Java 6 and Java versions > 11...
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  • 2
    httpexpect

    httpexpect

    End-to-end HTTP and REST API testing for Go

    Concise, declarative, and easy-to-use end-to-end HTTP and REST API testing for Go (golang). Basically, httpexpect is a set of chainable builders for HTTP requests and assertions for HTTP responses and payload, on top of net/http and several utility packages. URL path construction, with simple string interpolation provided by go-interpol package. URL query parameters (encoding using go-querystring package). Headers, cookies, payload: JSON, urlencoded or multipart forms (encoding using form package), plain text. Custom reusable request builders and request transformers. Type-specific assertions, supported types: object, array, string, number, boolean, null, datetime. ...
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  • 3
    Oruga UI

    Oruga UI

    Oruga is a lightweight library of UI components without CSS framework

    ...Lightweight: no other internal dependency and import only components that you need. Oruga doesn't depend on any specific style or CSS framework (like Bootstrap, Bulma, TailwindCSS etc...) and it doesn't provide any grid system or CSS utility, it just offer a set of components easy to customize. Oruga wants you to focus only on UI/UX aspects of your application and be totally flexible to future changes without having to touch a line of JavaScript.
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  • 4
    grex

    grex

    A command-line tool and library for generating regular expressions

    grex is a library as well as a command-line utility that is meant to simplify the often complicated and tedious task of creating regular expressions. It does so by automatically generating a single regular expression from user-provided test cases. The resulting expression is guaranteed to match the test cases which it was generated from. This project has started as a Rust port of the JavaScript tool regexgen written by Devon Govett.
    Downloads: 0 This Week
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  • 5
    Enums.NET

    Enums.NET

    Enums.NET is a high-performance type-safe .NET enum utility library

    Enums.NET is a high-performance type-safe .NET enum utility library that provides many operations as convenient extension methods. It is compatible with .NET Framework 4.5+ and .NET Standard 1.0+. To help you migrate your code to using the new methods I have created the C# roslyn analyzer Enums.NET.Analyzer which provides a code fix to migrate your usage of the non-generic and unsafe methods to the new methods.
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  • 6
    FengNiao

    FengNiao

    A command line tool for cleaning unused resources in Xcode

    The FengNiao project is a lightweight command-line utility designed to help iOS/macOS developers clean up their Xcode projects by detecting and removing unused image resource files. As projects evolve, image assets often accumulate — many of which may no longer be referenced in code, storyboards, or asset catalogs; FengNiao scans the project directory (and subfolders) to identify those orphaned resources and optionally delete them, helping to reduce project bloat and potential app size. ...
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  • 7
    react-error-boundary

    react-error-boundary

    Simple reusable React error boundary component

    react-error-boundary is a tiny, well-tested utility that makes React’s error boundaries practical and ergonomic for everyday apps. It wraps React’s error-handling primitives in a single <ErrorBoundary> component with a predictable API for rendering fallbacks when descendant components throw during render, lifecycle, or event handlers. The library emphasizes recovery, not just failure: you can reset the error state programmatically or when certain “reset keys” change, returning the subtree to a healthy state without a full page refresh. ...
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  • 8
    Design Resources for Developers

    Design Resources for Developers

    Curated list of design and UI resources from stock photos

    ...It groups tools and libraries into practical categories—color palettes, icons, illustrations, fonts, UI kits, stock photos, mockups, CSS frameworks, design inspiration, accessibility, and more—so you can jump straight to what you need. Each entry typically includes a short label and link, emphasizing utility over long descriptions and making the list easy to scan. The collection favors free and high-quality options, which is helpful for solo developers, students, and small teams working on tight budgets. Because categories are broad and technology-agnostic, the list works whether you build in React, Vue, vanilla HTML/CSS, or mobile stacks. ...
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  • 9
    fvcore

    fvcore

    Collection of common code shared among different research projects

    fvcore is a lightweight utility library that factors out common performance-minded components used across Facebook/Meta computer-vision codebases. It provides numerics and loss layers (e.g., focal loss, smooth-L1, IoU/GIoU) implemented for speed and clarity, along with initialization helpers and normalization layers for building PyTorch models. Its common modules include timers, logging, checkpoints, registry patterns, and configuration helpers that reduce boilerplate in research code. ...
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  • 10
    AppDevKit

    AppDevKit

    AppDevKit is an iOS development library

    ...Yahoo’s Taiwan based iOS app development team has been using this development kit for the past three years, and we plan future apps to use AppDevKit as well. Our use of this code in many apps helped improve its stability and utility. We find these libraries help address some incompatibility issues found in different iOS versions, and overall make app development easier and our apps operate more consistently. AppDevKit has five major parts that include command, user interfaces, animations, image view, and list view support libraries. AppDevKit could be installed by CocoaPods. ...
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  • 11
    EnTT

    EnTT

    A fast and reliable entity component system (ECS) and much more

    ...Over time the codebase has grown as more and more classes and functionalities were added. Statically generated integer identifiers for types (assigned either at compile-time or at runtime). A constexpr utility for human readable resource names. An incredibly fast entity-component system based on sparse sets, with its own pay for what you use policy to adjust performance and memory usage according to the users' requirements. Offers a minimal configuration system built using the monostate pattern.
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  • 12
    Console Component

    Console Component

    Create testable command line interfaces

    The Console component eases the creation of beautiful and testable command line interfaces. The Console component allows you to create command-line commands. Your console commands can be used for any recurring task, such as cronjobs, imports, or other batch jobs. If you install this component outside of a Symfony application, you must require the vendor/autoload.php file in your code to enable the class autoloading mechanism provided by Composer. The Symfony framework provides lots of...
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  • 13
    Inquirer.js

    Inquirer.js

    A collection of common interactive command line user interfaces

    ...Inquirer.js should ease the process of providing error feedback, asking questions, parsing input, validating answers, and managing hierarchical prompts. Inquirer.js provides the user interface and the inquiry session flow. If you're searching for a full blown command line program utility, then check out commander, vorpal or args. Create a self contained inquirer module. If you don't want to affect other libraries that also rely on inquirer when you overwrite or add new prompt types. Internally, Inquirer uses the JS reactive extension to handle events and async flows. This mean you can take advantage of this feature to provide more advanced flows. ...
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  • 14
    why-is-node-running

    why-is-node-running

    For when Node is running but you don't know why

    ...In complex asynchronous code — with timers, open handles, network sockets, file watchers, or unfulfilled promises — it can be tricky to figure out what is preventing the event loop from exiting. This utility inspects the active handles and resources in the runtime, prints a breakdown of open callbacks, sockets, timers, and other tasks, and explains what’s keeping Node running, helping you track down leaks or unintended resource retention. It’s particularly useful during testing, when you expect Node to exit after tests finish, or in long-running servers when you're debugging resource leaks or shutdown logic. ...
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  • 15
    sqlite-utils

    sqlite-utils

    Python CLI utility and library for manipulating SQLite databases

    sqlite-utils is both a Python library and a command-line tool for creating, inspecting, and transforming SQLite databases with minimal boilerplate. It focuses on making common tasks like importing CSV/JSON, exploring tables, and running ad-hoc queries feel ergonomic and scriptable. As a CLI, it lets you build databases from structured data in one line, run queries against local files or in-memory databases, output results as JSON, CSV, or pretty tables, and configure full-text search. As a...
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  • 16
    go-wkhtmltopdf

    go-wkhtmltopdf

    Golang commandline wrapper for wkhtmltopdf

    We needed a way to generate PDF documents from Go. These vary from invoices with highly customizable layouts to reports with tables, graphs and images. In our opinion, the best way to do this was by using HTML/CSS templates as a source for our PDFs. Using CSS print media types and millimeters instead of pixel units we can generate very accurate PDF documents using wkhtmltopdf. It takes care of setting the correct order of options as these can become very long with multiple pages where you...
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  • 17
    ember-cli

    ember-cli

    The Ember.js command line utility

    Ember.js is a productive, battle-tested JavaScript framework for building modern web applications. It includes everything you need to build rich UIs that work on any device. Some of the best development teams in the world have been iterating on their products for years with Ember. With scalable UI architecture baked-in from the start, you'll be working with the same patterns these organizations use every step of the way. Ember’s out-of-the-box experience has everything you need to start...
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  • 18
    subconverter

    subconverter

    Utility to convert between various subscription format

    Utility to convert between various subscription format. Shadowrocket users should use ss, ssr or v2ray as target. You can add &remark= to Telegram-liked HTTP/Socks 5 links to set a remark for this node. Add a Personal Access Token into gistconf.ini in the root directory, then add &upload=true to the local subscription link, then when you access this link, the program will automatically update the content to Gist repository.
    Downloads: 18 This Week
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  • 19
    utility-types

    utility-types

    Utility types, complementing TypeScript built-in mapped types

    Providing a set of Common Types for TypeScript projects that are idiomatic and complementary to existing TypeScript Mapped Types so you don't need to copy them between the projects. Providing a set of Additional Types compatible with Flow's Utility Types to allow much easier migration to TypeScript. Quality, thoroughly tested for type correctness with type-testing library dts-jest. Utility-Types is an open-source project created by people investing their time for the benefit of our community.
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  • 20
    Basecy

    Basecy

    A tool for encoding/decoding to basecy

    Encode/Decode files to UTF-8 text filled with printable ASCII and Cyrillic characters.
    Downloads: 0 This Week
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  • 21
    clsx

    clsx

    A tiny utility for constructing `className` strings conditionally

    clsx is a tiny JavaScript utility (roughly a few hundred bytes) for constructing className strings conditionally, commonly used in React and other component frameworks. It is intended as a faster and smaller drop-in replacement for the popular classnames package, but with a minimalistic API and implementation. The function accepts any number of arguments in a variety of forms: strings, numbers, arrays, and objects where truthy values indicate which classes to include.
    Downloads: 0 This Week
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  • 22
    Scala Parser Combinators

    Scala Parser Combinators

    simple combinator-based parsing for Scala

    scala-parser-combinators is a library that offers simple combinator-based parsing for Scala. Originally part of the Scala standard library, it allows developers to construct parsers using combinators directly in Scala code. ​
    Downloads: 0 This Week
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  • 23
    A free OpenGL utility toolkit, the open-sourced alternative to the GLUT library.
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    Downloads: 1,196 This Week
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  • 24
    RHash
    RHash (Recursive Hasher) is a console utility for computing and verifying hash sums of files. It supports CRC32, CRC32C, MD4, MD5, SHA1, SHA256, SHA512, SHA3, AICH, ED2K, DC++ TTH, BTIH, Tiger, GOST R 34.11-2012, RIPEMD-160, HAS-160, EDON-R, and Whirlpool.
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    Downloads: 1,085 This Week
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  • 25
    JEDI Code Library
    The JEDI Code Library (JCL) consists of a set of thoroughly tested and fully documented utility functions and non-visual classes which can be instantly reused in your Delphi and C++ Builder projects.
    Downloads: 41 This Week
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