Open Source Linux Libraries - Page 24
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derive(Error)
derive(Error) for struct and enum error types
This is a Rust crate that provides a convenient derive macro (#[derive(Error)]) for implementing std::error::Error on your custom error types (structs or enums). 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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dnsjava
An implementation of the DNS protocol in Java
dnsjava is an implementation of DNS in Java. It supports almost all defined record types (including the DNSSEC types), and unknown types. Can be used for queries, zone transfers, and dynamic updates. Includes a cache that can be used by clients, and an authoritative-only server. It supports TSIG authenticated messages, DNSSEC verification, and EDNS0. -
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ffmpeg.wasm
FFmpeg for browser, powered by WebAssembly
ffmpeg.wasm is a pure WebAssembly (and JavaScript/TypeScript) port of FFmpeg that enables in-browser media recording, conversion, and streaming—letting developers perform video/audio processing entirely client-side without server uploads. Transpiled via Emscripten from FFmpeg and its codecs into WebAssembly. Supports both single-threaded and multi-threaded cores using web workers. Written in TypeScript for improved developer experience. -
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howler.js
Javascript audio library for the modern web
howler.js is an audio library for the modern web. It defaults to Web Audio API and falls back to HTML5 Audio. This makes working with audio in JavaScript easy and reliable across all platforms. Additional information, live demos and a user showcase are available at howlerjs.com. Single API for all audio needs, defaults to Web Audio API and falls back to HTML5 Audio, handles edge cases and bugs across environments, supports all codecs for full cross-browser support, automatic caching for improved performance, control sounds individually, in groups or globally, playback of multiple sounds at once. Easy sound sprite definition and playback, full control for fading, rate, seek, volume, etc. Easily add 3D spatial sound or stereo panning, modular - use what you want and easy to extend. No outside dependencies, just pure JavaScript. As light as 7kb gzipped. -
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iText Community for .NET
iText for .NET is the .NET version of the iText library
iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers who want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit, and enhance PDFs. -
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jCasbin
An authorization library that supports access control models
An authorization library that supports access control models like ACL, RBAC, ABAC for Golang, Java, C/C++, Node.js, Javascript, PHP, Laravel, Python, .NET (C#), Delphi, Rust, Ruby, Swift (Objective-C), Lua (OpenResty), Dart (Flutter) and Elixir. In Casbin, an access control model is abstracted into a CONF file based on the PERM metamodel (Policy, Effect, Request, Matchers). So switching or upgrading the authorization mechanism for a project is just as simple as modifying a configuration. Besides memory and file, Casbin policy can be stored into lots of places. Currently, dozens of databases are supported, from MySQL, Postgres, Oracle to MongoDB, Redis, Cassandra, AWS S3. jCasbin is a powerful and efficient open-source access control library for Java projects. It provides support for enforcing authorization based on various access control models. -
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jQuery MultiSelect
Turn a multiselect list into a nice and easy to use list with checkbox
Turn a multiselect list into a nice and easy to use list with checkboxes. This plugin is simply an alternative interface for the native select list element. When you check an option in the plugin the value is selected on the native list. This allows the value to be submitted in a form as well as retreived through normal POST/GET and javascript methods. -
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libpython-clj
Python bindings for Clojure
libpython-clj is a deep interop library enabling you to load and use Python modules from within Clojure as if they were native namespaces—and even extend Python objects from Clojure. It bridges to the Python C API, preserving REPL‑based workflows. Bridge between JVM objects and Python objects easily; use Python in your Java and use some Java in your Python. Python objects are linked to the JVM GC such that when they are no longer reachable from the JVM, their references are released. Scope-based resource contexts are also available. Finding the Python libraries is done dynamically, allowing one system to run on multiple versions of Python. -
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libreact
Collection of useful React components
libreact is a collection of reusable React components and utilities — described as a “standard library for React projects” — that aims to simplify and standardise common patterns in React development. The library is modular: you can import specific modules such as withState, withToggle, mock, loadable, lazy, flipflop, withValue, List, Map, sensors, toggles and more. Many components are isomorphic (work in browser and server) and some even support React Native. It comes with documentation and storybook examples, making it useful for developers who want ready-to-use building blocks instead of reinventing common hooks or patterns. The license is Unlicense, which means fully open and free to use. With ~2.6k stars, it has a fair level of traction. -
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mail-parser
Fast and robust e-mail parsing library for Rust
Stalwart Mail Parser is a high-performance Rust library designed for parsing and analyzing email messages. It efficiently handles complex MIME structures, supports various encodings, and is optimized for speed and robustness. The library is suitable for applications requiring detailed email processing and analysis. -
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nature-skills
Skill that conforms to the academic expression and scientific research
nature-skills is an open-source collection of AI agent skills and structured workflows designed to enhance autonomous reasoning and tool usage in AI assistants. The project organizes reusable “skills” that agents can invoke for different operational contexts, helping AI systems perform specialized tasks more consistently and effectively. It appears to focus on modularity and interoperability, allowing skills to be combined, extended, or integrated into broader agent ecosystems. The repository is designed to support experimentation with multi-step reasoning, task automation, and contextual tool orchestration for agentic AI systems. By standardizing reusable capabilities, the project helps developers build more maintainable and extensible AI workflows. Overall, nature-skills contributes to the growing ecosystem of modular AI agent tooling and structured automation frameworks. -
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next international
Type-safe internationalization (i18n) for Next.js
Type-safe internationalization (i18n) for Next.js. -
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node-google-spreadsheet
Google Sheets API wrapper for Javascript / Typescript
node-google-spreadsheet is a JavaScript library that provides a simple interface for reading and writing to Google Sheets, supporting both JavaScript and TypeScript. -
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nvim-config
A modern Neovim configuration with full battery
nvim-config is a personal, well-documented Neovim configuration maintained by jdhao, optimized for productivity and modern plugin ecosystems. It includes setups for language servers, autocompletion, syntax highlighting, fuzzy finding, and aesthetics. This configuration is a great starting point or reference for users setting up a performant and feature-rich Neovim environment. -
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prometheus-net
.NET library to instrument your code with Prometheus metrics
This is a .NET library for instrumenting your applications and exporting metrics to Prometheus. -
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ramsey/uuid
A PHP library for generating universally unique identifiers (UUIDs)
ramsey/uuid is a PHP library for generating and working with RFC 4122 version 1, 2, 3, 4, and 5 universally unique identifiers (UUID). ramsey/uuid also supports optional and non-standard features, such as version 6 UUIDs, GUIDs, and other approaches for encoding/decoding UUIDs. A universally unique identifier, or UUID, is a 128-bit unsigned integer, usually represented as a hexadecimal string split into five groups with dashes. The most widely-known and used types of UUIDs are defined by RFC 4122. The probability of duplicating a UUID is close to zero, so they are a great choice for generating unique identifiers in distributed systems. UUIDs can also be stored in binary format, as a string of 16 bytes. The JSON extension is normally enabled by default, but it is possible to disable it. Other required extensions include PCRE and SPL. These standard extensions cannot be disabled without patching PHP’s build system and/or C sources. -
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re2
Alternative to backtracking regular expression engines
RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library. This is the source code repository for RE2, a regular expression library. There is a fair amount of documentation (including code snippets) in the re2.h header file. Unless otherwise noted, the RE2 source files are distributed under the BSD-style license found in the LICENSE file. In POSIX mode, RE2 accepts standard POSIX (egrep) syntax regular expressions. In Perl mode, RE2 accepts most Perl operators. The only excluded ones are those that require backtracking (and its potential for exponential runtime) to implement. These include backreferences (submatching is still okay) and generalized assertions. The Syntax page documents the supported Perl-mode syntax in detail. The default is Perl mode. The constructor takes an optional second argument that can be used to change RE2's default options. -
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react-chat-elements
Reactjs chat elements chat UI, react chat components
react-chat-elements is a React-based UI library specifically designed for building chat and messaging interfaces with minimal effort. It provides a set of prebuilt components such as message bubbles, chat lists, input fields, avatars, and typing indicators, all styled to resemble modern messaging applications. The library is intended to accelerate development by offering ready-to-use elements that handle common chat interface requirements without requiring developers to design them from scratch. It supports customization through props and styling options, allowing developers to adapt the components to match their application’s branding and behavior. The components are designed to be modular and composable, enabling developers to build complex chat interfaces by combining smaller building blocks. It is particularly useful for applications that include messaging features, customer support chats, or real-time communication tools. -
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retry
Simple golang library for retry mechanism
Simple library for retry mechanism. Context allow to set context of retry default are Background context. Return the direct last error that came from the retried function default is false (return wrapped errors with everything) WithTimer provides a way to swap out timer module implementations. This primarily is useful for mocking/testing, where you may not want to explicitly wait for a set duration for retries. DelayTypeFunc is called to return the next delay to wait after the retriable function fails on err after n attempts. FixedDelay is a DelayType that keeps delay the same through all iterations. DelayTypeFunc accepts a new parameter err - this breaking change affects only your custom Delay Functions. RetryIf controls whether a retry should be attempted after an error (assuming there are any retry attempts remaining). -
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rust_cmd_lib
Common rust command-line macros and utilities
rust_cmd_lib is a Rust library designed to make it easier to write shell-script–style tasks in Rust, blending the power and safety of Rust with the expressiveness of shell pipelines. It provides macros and utilities that let you spawn external processes, redirect input/output, and pipe commands together, all without invoking a shell. You can write something like run_cmd!(ls -l | grep foo > out.txt) in a more declarative style, rather than manually wiring up file descriptors, handles, and child processes. The library also supports features like variable substitution, scoped environment settings, and defining custom commands (functions) that behave like built-ins. It hides much of the boilerplate of std::process::Command when you're doing simple task automations, but still allows full flexibility when needed. Because it avoids launching a shell, it reduces some classes of security and quoting errors, while improving readability of scripting logic inside a Rust binary. -
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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. -
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sarama
Sarama is a Go library for Apache Kafka 0.8, and up
Sarama is an MIT-licensed Go client library for Apache Kafka version 0.8 (and later). API documentation and examples are available via godoc. Sarama provides a “2 releases + 2 months” compatibility guarantee: we support the two latest stable releases of Kafka and Go, and we provide a two month grace period for older releases. This means we currently officially support Go 1.12 through 1.14, and Kafka 2.1 through 2.4, although older releases are still likely to work. Sarama follows semantic versioning and provides API stability via the gopkg.in service. You can import a version with a guaranteed stable API. -
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syncthing-android
Wrapper of syncthing for Android
Syncthing is a continuous file synchronization program. It synchronizes files between two or more computers in real time, safely protected from prying eyes. Your data is your data alone and you deserve to choose where it is stored, whether it is shared with some third party, and how it’s transmitted over the internet. None of your data is ever stored anywhere else other than on your computers. There is no central server that might be compromised, legally or illegally. All communication is secured using TLS. The encryption used includes perfect forward secrecy to prevent any eavesdropper from ever gaining access to your data. Every device is identified by a strong cryptographic certificate. Only devices you have explicitly allowed can connect to your other devices. -
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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. -
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timeago
The original jQuery plugin that makes it easy to support automatically
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago") from ISO 8601 formatted dates and times embedded in your HTML (à la microformats).
