Open Source Libraries - Page 99
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Hero iOS
Elegant transition library for iOS & tvOS
Hero is a library for building iOS view controller transitions. It provides a declarative layer on top of the UIKit’s cumbersome transition APIs—making custom transitions an easy task for developers. Hero is similar to Keynote’s Magic Move. It checks the heroID property on all source and destination views. Every matched view pair is then automatically transitioned from its old state to its new state. Hero can also construct animations for unmatched views. It is easy to define these animations via the heroModifiers property. Hero will run these animations alongside the Magic Move animations. All of these animations can be interactively controlled by user gestures. By default, Hero provides dynamic duration based on the Material Design Motion Guide. Duration is automatically determined by changes to distance and size—saving you the hassle, while providing consistent and delightful animations. -
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A Java component which displays bytes in Hex- and ASCII-format. The component is designed as a standalone lib. A complete interface which provides the function of an HexEditor based on this lib exisits under the Fork of this project.
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HexMUD
A generic C++ MUD server featuring a strategy-style hexagon map
Sourceforge is no longer being updated! While not specifically a MUD project, this project's basic concept has merged into another that can be found here: https://github.com/nicrohobak/Toolbox Along with an additional, related project of extreme interest: https://github.com/nicrohobak/AnsiGL ------------------------------------------------------------ HexMUD aims to be a fully-featured, game-system agnostic MUD server with a centrally focused feature of an added top-down hexagon-based map (dynamically generated and drawn in ANSI/ASCII art) giving a basic visual representation of your immediate surroundings in addition to traditional descriptions. Many (most?) MUD servers hard-code a specific game system, or a specific game setting within their code, but HexMUD strives to be as generic as possible in this area, allowing each separate administrator to easily build a custom code base while also gaining access to all of the core features HexMUD provides. -
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HexNET
A simple telnet (and possibly SSH) server
Sourceforge is no longer being updated! This project has merged into another that can be found here: https://github.com/nicrohobak/Toolbox ------------------------------------------------------------ A simple telnet server originally developed as a foundation to a MUD server project called HexMUD. These project should be maintained alongside each other, but this particular project should be a very generic telnet/SSH server and nothing more. The game logic belongs in the HexMUD project. -
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HeyUI.ext
UI Toolkit for Web, Vue3.0
HeyUI.ext is a comprehensive UI component library built for Vue.js that provides a wide range of reusable components and tools for developing modern web applications with efficiency and consistency. Designed as a full UI toolkit rather than a minimal component set, it includes elements for forms, tables, modals, navigation, and data handling, making it suitable for building complex interfaces such as dashboards and admin panels. The library emphasizes simplicity and speed, allowing developers to quickly assemble functional interfaces while maintaining scalability as projects grow. It supports modern development workflows through npm installation as well as CDN usage, enabling both lightweight experimentation and full-scale application integration. HeyUI also includes features such as validation, internationalization, and advanced components like trees, selectors, and date pickers, which help streamline common frontend tasks. -
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A data supporter library for developing hibernate ready applications with an easy to write dao code preventing session problems
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Library of annotations and boiler plate code to connection hibernate annotated objects that represent data tables with SWT Widgets; with the goal of rapid CRUD operation capabilities through an SWT GUI. The project goals maybe expanded in the future.
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Hibersap
A Java library to communicate with SAP
Hibersap helps developers of Java applications to call business logic in SAP backends. It defines a set of Java annotations to map SAP function modules to Java classes as well as a small, clean API to execute these function modules and handle transaction and security aspects. Hibersap's programming model is quite similar to those of modern O/R mappers, significantly speeding up the development of SAP interfaces and making it much more fun to write the integration code. Under the hood, Hibersap either uses the SAP Java Connector (JCo) or a JCA compatible resource adapter to communicate with the SAP backend. While retaining the benefits of JCo and JCA like transactions, security, connection pooling, etc., developers can focus on writing business logic because the need for boilerplate code is largely reduced. -
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* Import pnp4nagios rrd data to Highcharts. * Highcharts is a charting library written in pure JavaScript, offering intuitive, interactive charts to your web site or web application.
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Higher
higher is a pytorch library
higher is a specialized library designed to extend PyTorch’s capabilities by enabling higher-order differentiation and meta-learning through differentiable optimization loops. It allows developers and researchers to compute gradients through entire optimization processes, which is essential for tasks like meta-learning, hyperparameter optimization, and model adaptation. The library introduces utilities that convert standard torch.nn.Module instances into “stateless” functional forms, so parameter updates can be treated as differentiable operations. It also provides differentiable implementations of common optimizers like SGD and Adam, making it possible to backpropagate through an arbitrary number of inner-loop optimization steps. By offering a clear and flexible interface, higher simplifies building complex learning algorithms that require gradient tracking across multiple update levels. Its design ensures compatibility with existing PyTorch models. -
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Highland
High-level streams library for Node.js and the browser
Highland is a JavaScript library designed to simplify working with streams and asynchronous data flows by providing a functional programming interface on top of Node.js streams. It allows developers to process data in a declarative and composable way, treating streams as sequences that can be transformed using familiar functional patterns such as map, filter, reduce, and flatMap. The library abstracts away much of the complexity of handling backpressure and asynchronous callbacks, enabling developers to focus on data transformation logic rather than low-level stream management. Highland supports both synchronous and asynchronous sources, including arrays, events, promises, and Node streams, making it highly versatile. It also emphasizes lazy evaluation, meaning that data is processed only when needed, improving performance and efficiency in large data pipelines. -
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Highlight Library
A library for app directivity highlighting
Highlight is an Android onboarding and guidance library that draws an overlay to visually emphasize specific UI elements and attach tip content, helping users discover features inside an app. It works by placing a translucent mask over a chosen “anchor” area (often the activity content view) and then “cutting out” or spotlighting target views so they stand out clearly. Developers can define one or more highlighted targets, supply a custom tip layout (for example, an arrow plus text), and position that tip precisely using layout callbacks that provide measurements like margins and bounding rectangles. This makes it well-suited for guided tours, feature callouts after an update, or contextual help flows that need accurate placement across different screen sizes. The library supports highlighting within partial regions as well as full-screen overlays, letting you scope the effect to a specific container when needed. -
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Highway
Highway - A Modern Javascript Transitions Manager
Highway is a lightweight (2.5ko gzipped), easy-to-use, flexible, and modern library to create AJAX navigations with animations on websites. Don't bother about all the processes behind the scenes and focus on creative animations. -
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HighwayHash
Fast strong hash functions: SipHash/HighwayHash
HighwayHash is a fast, keyed hash function intended for scenarios where you need strong, DoS-resistant hashing without the full overhead of a general-purpose cryptographic hash. It’s designed to defeat hash-flooding attacks by mixing input with wide SIMD operations and a branch-free inner loop, so adversaries can’t cheaply craft many colliding keys. The implementation targets multiple CPU families with vectorized code paths while keeping a portable fallback, yielding high throughput across platforms. It exposes simple one-shot and streaming APIs, so you can hash short keys or long byte streams with the same function. Typical uses include protecting hash tables that store untrusted keys and authenticating short-lived messages or records in storage systems. Although not a replacement for collision-resistant digests like SHA-2/3, it strikes a pragmatic balance of speed, simplicity, and resistance to common abuse patterns seen in production backends. -
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Himotoki
A type-safe JSON decoding library purely written in Swift
Himotoki is a type-safe JSON decoding library written purely in Swift. This library is highly inspired by the popular Swift JSON parsing libraries: Argo and ObjectMapper. -
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Hiring Without Whiteboards
Companies that don't have a broken hiring process
Hiring-without-whiteboards is a curated list of companies and teams that avoid traditional "whiteboard" interviews, instead focusing on realistic and practical evaluation methods. In this context, "whiteboards" symbolizes outdated or unhelpful computer science trivia questions often criticized in technical interviews. The project highlights organizations that emphasize interviewing techniques more aligned with actual day-to-day work, such as collaborative problem-solving, pair programming, or take-home assignments. It encourages a shift away from brainteasers, riddles, or puzzle-based interviews, which can create unnecessary barriers for candidates. The repository not only provides a resource for job seekers looking for fairer interview processes but also offers guidance for companies seeking to improve their hiring practices. With community contributions, it continues to grow as a reference for employers and applicants who value practical, respectful, & effective technical evaluation. -
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Hittest.js (PNG Collision Detection)
Javascript hitTest on tranparent PNG with collision game sample
Javascript hitTest on tranparent PNG with collision detection game sample -
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Hoa\Ruler
The Hoa\Ruler library.
Hoa is a modular, extensible, and structured set of PHP libraries. Moreover, Hoa aims to be a bridge between the industrial and research worlds. This library allows to manipulate a rule engine. Rules can be written by using a dedicated language, very close to SQL. Therefore, they can be written by a user and saved in a database. -
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Hobbit Engine is an easy to use engine focusing on sound affected graphics. It is based on SDL and FMOD. It is module based, meaning you can make smaller executables.
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Homemade Machine Learning
Python examples of popular machine learning algorithms
homemade-machine-learning is a repository by Oleksii Trekhleb containing Python implementations of classic machine-learning algorithms done “from scratch”, meaning you don’t rely heavily on high-level libraries but instead write the logic yourself to deepen understanding. Each algorithm is accompanied by mathematical explanations, visualizations (often via Jupyter notebooks), and interactive demos so you can tweak parameters, data, and observe outcomes in real time. The purpose is pedagogical: you’ll see linear regression, logistic regression, k-means clustering, neural nets, decision trees, etc., built in Python using fundamentals like NumPy and Matplotlib, not hidden behind API calls. It is well suited for learners who want to move beyond library usage to understand how algorithms operate internally—how cost functions, gradients, updates and predictions work. -
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Honggfuzz
Security oriented software fuzzer
honggfuzz is a general-purpose, high-performance fuzzer that mixes coverage feedback with practical crash triage to uncover memory-safety and logic bugs. It supports multiple fuzzing modes—stdin, file, and networking—so targets can be exercised the same way they run in production. Instrumentation via compiler hooks or hardware/perf counters guides mutations toward previously unseen edges, while persistent mode keeps the target process alive to amortize startup costs. The tool integrates tightly with sanitizers and can attach to already running processes, making it convenient for both white-box and black-box fuzzing. When it finds a crash, honggfuzz captures detailed context, minimizes the input, and can pin reproducibility by controlling CPU affinity and resource limits. Its small footprint and straightforward CLI make it easy to drop into CI or long-running campaigns across many cores. -
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Hoodland Toolbox
An assorted miscellany of tools and toys.
Hoodland Toolbox (formerly known as the Rockabilly Common Libraries) An assorted miscellany of tools and toys used by all other Hoodland Open Source Projects (formerly Rockabilly Software). This project has been rewritten in Kotlin for the JVM. Its new home is here: https://github.com/william-hood/toolbox-kotlin Available in Maven Central Repository... Kotlin: https://central.sonatype.com/artifact/io.github.william-hood/toolbox-kotlin Java: https://central.sonatype.com/artifact/io.github.william-hood/toolbox-java -
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Hoplite
Boilerplate-free Kotlin config library for loading configuration files
Hoplite is a Kotlin library for loading configuration files into typesafe classes in a boilerplate-free way. Define your config using Kotlin data classes, and at startup Hoplite will read from one or more config files, mapping the values in those files into your config classes. Any missing values, or values that cannot be converted into the required type will cause the config to fail with detailed error messages. -
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Horizon
a Java class library for database application development
Horizon is a Java class library that helps developers write applications using relational database technology. You can use Horizon in plain old Java applications, Java EE applications, and Spring framework applications. And it also provides a JavaScript library to help write HTML pages using data from back-end components written using Horizon classes.
