Open Source Linux Libraries - Page 37
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Negroni
Idiomatic HTTP Middleware for Golang
Negroni is a middleware-focused library for Go with an idiomatic approach. It is similar to Martini, but comes in a small, non-intrusive package. Negroni is not a framework. It is designed to work directly with net/http. It is also BYOR (Bring Your Own Router), and plays well with most http routers available in the Go community by fully supporting net/http. Negroni is currently translated in a number of different languages, and comes with some default middleware that can be used for most applications and makes getting started with some of Negroni’s features a lot easier. -
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Nelmio Alice
Expressive fixtures generator
Nelmio Alice is a PHP library designed to generate complex data fixtures for testing and development environments. It uses YAML, XML, or PHP files to define fixture templates, making it easy to create realistic and varied data sets. Alice integrates well with Doctrine ORM, allowing developers to quickly populate databases with test data, making it especially useful for automated testing and staging environments. -
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NelmioCorsBundle
Adds CORS (Cross-Origin Resource Sharing) headers support
NelmioCorsBundle is a Symfony bundle that manages Cross-Origin Resource Sharing (CORS) headers, allowing controlled access to resources across different domains. It simplifies enabling and configuring CORS policies for APIs and web applications, ensuring secure and flexible cross-origin interactions with minimal configuration. -
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Node Binance API
Node Binance API is an asynchronous node.js library
This project is designed to help you make your own projects that interact with the Binance API. You can stream candlestick chart data, market depth, or use other advanced features such as setting stop losses and iceberg orders. This project seeks to have complete API coverage including WebSockets. -
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Notifme SDK
A Node.js library to send all kinds of transactional notifications
A unified messaging API that enables sending notifications via multiple channels such as email, SMS, push, and chat. -
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OWASP Find Security Bugs
The SpotBugs plugin for security audits of Java web applications
The SpotBugs plugin for security audits of Java web applications. Find Security Bugs is the SpotBugs plugin for security audits of Java web applications. It can detect 141 different vulnerability types with over 823 unique API signatures. Cover popular frameworks including Spring-MVC, Struts, Tapestry and many more. Plugins are available for Eclipse, IntelliJ / Android Studio and NetBeans. Command line integration is available with Ant and Maven. Can be used with systems such as Jenkins and SonarQube. Extensive references are given for each bug patterns with references to OWASP Top 10 and CWE. -
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Oboe
Oboe is a C++ library that makes it easy to build high-performance
oboe is a C++ library for building high-performance audio apps on Android, providing a unified, low-latency API over AAudio and OpenSL ES. It abstracts device and API-version differences so developers can focus on audio processing instead of platform quirks. The library emphasizes minimal latency and glitch-free playback/recording via tuned buffer strategies and callback-driven I/O. It supports features like floating-point audio, channel configuration, sample-rate negotiation, and stream sharing to match device capabilities. Example apps and utilities demonstrate best practices for thread priority, audio mixing, and underrun handling. By aligning with the native audio stack, oboe enables professional music apps, real-time communications, and games to achieve consistent audio performance across a wide range of devices. -
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Open Food Facts
Native version of Open Food Facts on Android
Open Food Facts is a collaborative food products database made by everyone, for everyone. Open Food Facts contributors gather information and data on food products from around the world, using mobile apps. Open Food Facts is a database of food products with ingredients, allergens, and nutrition facts… which allow us to compute scores like Nutri-Score, NOVA groups, and Eco-Score. Open Food Facts is a non-profit association of volunteers. 25,000+ contributors like you have added 3M+ products from 150 countries using our Android or iPhone apps to scan barcodes and upload pictures of products and their labels. Data about food is of public interest and has to be open. The complete database is published as open data and can be reused by anyone. -
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Open Source iOS Apps
Collaborative List of Open-Source iOS Apps
A community-maintained directory of real-world, open-source iOS applications. It showcases a variety of apps (mostly written in Swift or Objective-C) covering utilities, UI examples, games, and more—as a learning reference or starting point for iOS developers. Help analyse individuals’ travel and trace their movements when cases of infection arise. Helps developers learn architecture patterns like MVVM, Combine, and SwiftUI. Regularly updated with projects reflecting current iOS development trends. -
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OpenAI Cookbook
Examples and guides for using the OpenAI API
openai-cookbook is a repository containing example code, tutorials, and guidance for how to build real applications on top of the OpenAI API. It covers a wide range of use cases: prompt engineering, embeddings and semantic search, fine-tuning, agent architectures, function calling, working with images, chat workflows, and more. The content is primarily in Python (notebooks, scripts), but the conceptual guidance is applicable across languages. The repository is kept up to date and often expanded, and its examples are intended to serve both beginners and intermediate users of the API. It also includes deployment recipes, integration snippets (e.g. with GitHub Actions), and production considerations. Because OpenAI’s API evolves rapidly, the Cookbook acts as a living, community-curated reference to show “how to do X with the API” rather than only reprinting documentation. -
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Orchestra
Collection of Jetpack Compose libraries to build tooltips and spinners
A collection of Jetpack Compose libraries, which are compatible with custom views for Android. Orchestra ColorPicker allows you to build color picker for getting colors from any images by tapping on the desired color for Jetpack Compose. This is a Jetpack Compose compatible package of ColorPickerView. -
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OxyPlot
A cross-platform plotting library for .NET
OxyPlot is a cross-platform plotting library for .NET. The code is licensed under the MIT license. This is a very permissive and corporate-friendly license. See open source and tl;dr for more details. The core library is a Portable Class Library that can be used on different platforms. Custom controls are implemented for WPF, Windows 8, Windows Phone, Windows Phone Silverlight, Windows Forms, Silverlight, GTK#, Xwt, Xamarin.iOS, Xamarin.Android, Xamarin.Forms and Xamarin.Mac. OxyPlot contains many different types of axes and series. If you need some functionality that is not included in the library, you can also create a derived class and override the rendering implementation. Make sure you reference and initialize the OxyPlot platform renderers, otherwise you will see nothing. The latest pre-release packages are pushed by AppVeyor CI to myget.org. To install these packages, set the myget.org package source https://www.myget.org/F/oxyplot and remember the "-pre" flag. -
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PHP-SVG-Lib
SVG file parsing / rendering library
php-svg-lib is a PHP library designed for parsing and rendering SVG files. It provides functionalities to rasterize SVG content to various surfaces, such as images or PDFs, and is utilized by projects like Dompdf for SVG rendering within PDF documents. -
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Parser for Rust source code
Parser for Rust source code
Parser for Rust source code is a major Rust crate for parsing Rust source code (token streams) into a syntax tree (AST) that procedural macros can inspect or transform. The primary target is macro authors: you can parse TokenStreams into syn::File, syn::Item, syn::Expr, syn::Type, etc. It offers rich data structures, fine-grained parsing, span tracking (for error reporting), traversal and mutation APIs (visit, fold, visit_mut), printing back to tokens, and strong feature-gating so you only compile what you need. The documentation emphasises that while the crate is geared for procedural macros (and custom derives), some of the APIs may be of more general use. Using syn you can effectively write code that analyzes or generates Rust code at compile time. -
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Phaser Raycaster
Raycasting plugin for Phaser 3
Phaser Raycaster is a plugin for Phaser 3 that implements raycasting functionality, enabling developers to simulate visibility, lighting, and field-of-view mechanics in their games. -
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PhotoView
Implementation of ImageView for Android that supports zooming
PhotoView is an Android library that extends the ImageView widget to support zooming, panning, and scaling gestures with ease. Designed to be lightweight and intuitive, PhotoView provides advanced image manipulation features without requiring complex configuration. It integrates seamlessly into Android apps and is commonly used in galleries, document viewers, and photo browsers where pinch-to-zoom and drag gestures are needed. -
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PhpMetrics
Beautiful and understandable static analysis tool for PHP
PhpMetrics is a powerful static analysis tool for PHP code that provides metrics on code quality, complexity, maintainability, and architecture. It generates comprehensive reports in HTML format, visualizing metrics like cyclomatic complexity, lines of code, and coupling between classes. PhpMetrics helps developers identify potential code issues, optimize performance, and maintain high-quality codebases. -
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Pidgin
A lightweight and fast parsing library for C#
Pidgin is a lightweight and fast parser combinator library for C#. It allows developers to construct parsers using a declarative approach, facilitating the creation of complex parsers without external tools. -
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PixieDust
Python Helper library for Jupyter Notebooks
PixieDust is an open source Python helper library that works as an add-on to Jupyter notebooks to improve the user experience of working with data. It also fills a gap for users who have no access to configuration files when a notebook is hosted on the cloud. -
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Polysemy
Higher-order, no-boilerplate monads
Polysemy is a high-performance, zero-boilerplate effect system for Haskell, designed to simplify the handling of side effects in functional programs. Unlike traditional monad transformer stacks, Polysemy uses a modern approach based on freer monads and interpreters, allowing developers to define, compose, and interpret effects in a more modular and testable way. It aims to offer both flexibility and performance without sacrificing type safety or expressiveness. -
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Pushy jQuery
Pushy is a responsive off-canvas navigation menu using CSS transforms
Pushy is a responsive off-canvas navigation menu using CSS transforms & transitions. This project was inspired by the off-canvas navigation menu seen on Medium. Pushy has been implemented on many sites, check them out! Feel free to contact me if you use Pushy in one of your websites. Pushy has been featured on the Treehouse Show and in a book. -
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PyJNIus
Access Java classes from Python
Pyjnius is a Python library for accessing Java classes. A Python module to access Java classes as Python classes using the Java Native Interface (JNI). Warning: the pypi name is now pyjnius instead of jnius. When you use autoclass, it will discover all the methods and fields of the class and resolve them. You can use the signatures method of JavaMethod and JavaMultipleMethod, to inspect the discovered signatures of a method of an object. -
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Pyparsing
Python library for creating PEG parsers
pyparsing is a Python library that facilitates the creation of parsers using a parsing expression grammar (PEG) approach. It allows developers to construct grammars directly in Python code, offering an alternative to traditional parsing methods. -
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Pysheeet
Python Cheat Sheet
Pysheeet is a community-driven collection of Python code snippets covering common patterns and tasks like sockets, file I/O, data structures, and more. Each snippet is concise and battle-tested, designed to save coding time and reduce boilerplate. With documentation hosted on Read the Docs and an active GitHub repo, it’s a go-to resource for Python developers. -
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QOI
The “Quite OK Image Format” for fast, lossless image compression
QOI, short for “Quite OK Image,” is a minimalist lossless image compression format designed to achieve extremely fast encoding and decoding speeds while maintaining compression ratios comparable to PNG. The project was created as a simpler alternative to complex legacy image formats, using an intentionally lightweight specification that can be implemented in only a few hundred lines of code. QOI focuses on predictable O(n) performance and efficient pixel encoding strategies without relying on heavyweight compression algorithms like DEFLATE. The format supports RGB and RGBA images while remaining easy to port across programming languages and hardware environments. Its simplicity and speed have made it popular among game developers, embedded systems engineers, graphics programmers, and experimental software projects. Overall, qoi demonstrates how streamlined design can achieve practical high-performance image compression with dramatically reduced implementation complexity.
