Showing 447 open source projects for "runtime library"

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  • 1
    tree-sitter

    tree-sitter

    An incremental parsing system for programming tools

    Tree-sitter is a parser generator tool and an incremental parsing library. It can build a concrete syntax tree for a source file and efficiently update the syntax tree as the source file is edited. General enough to parse any programming language. Fast enough to parse on every keystroke in a text editor. Robust enough to provide useful results even in the presence of syntax errors. Dependency-free so that the runtime library (which is written in pure C) can be embedded in any application. ...
    Downloads: 106 This Week
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  • 2
    Byte Buddy

    Byte Buddy

    Runtime code generation for the Java virtual machine

    Byte Buddy is a code generation and manipulation library for creating and modifying Java classes during the runtime of a Java application and without the help of a compiler. Other than the code generation utilities that ship with the Java Class Library, Byte Buddy allows the creation of arbitrary classes and is not limited to implementing interfaces for the creation of runtime proxies.
    Downloads: 5 This Week
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  • 3
    crun

    crun

    A fast and lightweight fully featured OCI runtime and C library

    A fast and low-memory footprint OCI Container Runtime fully written in C. While most of the tools used in the Linux containers ecosystem are written in Go, I believe C is a better fit for a lower-level tool like container runtime. runc, the most used implementation of the OCI runtime specs written in Go, re-execs itself and uses a module written in C for setting up the environment before the container process starts. crun aims to be also usable as a library that can be easily included in programs without requiring an external process for managing OCI containers.
    Downloads: 1 This Week
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  • 4
    Node-RED

    Node-RED

    Low-code programming for event-driven applications

    Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click. Node-RED provides a browser-based flow editor that makes it easy to wire together flows using the wide range of nodes in the palette. Flows can be then deployed to the runtime in a single-click. JavaScript functions can be created within the editor using a rich text editor. A built-in library allows you to save useful functions, templates or flows for re-use. ...
    Downloads: 66 This Week
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  • 5
    ArkType

    ArkType

    TypeScript's 1:1 validator, optimized from editor to runtime

    ArkType is a high-performance runtime type validation library for TypeScript. It offers a 1:1 validator optimized from editor to runtime, enabling developers to define and enforce complex type constraints seamlessly.​
    Downloads: 0 This Week
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  • 6
    NVTX (NVIDIA Tools Extension Library)

    NVTX (NVIDIA Tools Extension Library)

    C-based Application Programming Interface (API)

    NVTX (NVIDIA Tools Extension) is a cross-platform API designed to annotate source code with rich metadata that can be consumed by developer profiling and debugging tools. It allows developers to insert markers, ranges, and events directly into their applications, providing contextual insight into how code executes on CPUs and GPUs. These annotations are visualized in tools such as NVIDIA Nsight Systems and Nsight Compute, enabling developers to identify performance bottlenecks, track...
    Downloads: 1 This Week
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  • 7
    runwasi

    runwasi

    Facilitates running Wasm / WASI workloads managed by containerd

    runwasi is a project developed within the containerd ecosystem that enables running WebAssembly workloads as first-class citizens in containerized environments. It provides a library and runtime components that integrate with containerd, allowing Wasm modules to be executed using familiar container orchestration workflows such as Kubernetes via the Container Runtime Interface. Unlike traditional containers that rely on operating system virtualization, runwasi focuses on lightweight, secure execution of WebAssembly modules, which can offer faster startup times and reduced resource overhead. ...
    Downloads: 19 This Week
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  • 8
    Runtime

    Runtime

    A Swift Runtime library for viewing type info

    A Swift Runtime library for viewing type info, and the dynamic getting and setting of properties. Runtime is a Swift library to give you more runtime abilities, including getting type metadata, setting properties via reflection, and type construction for native swift objects. TypeInfo exposes metadata about native Swift structs, protocols, classes, tuples and enums.
    Downloads: 1 This Week
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  • 9
    Apache log4net

    Apache log4net

    Apache Log4net is a versatile, feature-rich, efficient logging API

    The Apache log4net library is a tool to help the programmer output log statements to a variety of output targets. log4net is a port of the excellent Apache log4j™ framework to the Microsoft® .NET runtime. We have kept the framework similar in spirit to the original log4j while taking advantage of new features in the .NET runtime. The log4net framework is based on Apache log4j™, The log4net framework, source code, binaries, documentation, examples and related materials are published under the terms of the Apache License. ...
    Downloads: 8 This Week
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  • 10
    Proxy

    Proxy

    Proxy: Next Generation Polymorphism in C++

    ...We improved the theory and implemented it as a C++ library without sacrificing performance, proposing to merge it into the C++ standard.
    Downloads: 1 This Week
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  • 11
    dotenvx

    dotenvx

    A secure dotenv–from the creator of `dotenv`

    dotenvx is an enhanced environment variable loader and manager that builds on the original dotenv concept by adding strong encryption and cross-platform tooling, making it safer to work with .env files in development and production environments. Designed by the creator of the classic dotenv library, dotenvx preserves the familiar workflow while adding safeguards against one of the biggest risks with plain environment files: plaintext secrets exposure. It offers CLI commands that can encrypt and decrypt .env files, inject environment variables at runtime, and support conventions like layered environment file loading similar to Next.js or dotenv-flow. ...
    Downloads: 3 This Week
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  • 12
    Ow

    Ow

    Function argument validation for humans

    Ow is a TypeScript-based JavaScript library for validating function arguments and other runtime values with expressive predicates. It complements static TypeScript checking by catching invalid data that reaches an application after compilation. Developers can validate strings, numbers, objects, arrays, and many other values through a readable chainable API. Built-in predicates cover common constraints, while custom validators can handle application-specific requirements. ...
    Downloads: 0 This Week
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  • 13
    Tesla

    Tesla

    The flexible HTTP client library for Elixir

    The flexible HTTP client library for Elixir, with support for middleware and multiple adapters. Tesla is an HTTP client loosely based on Faraday. It embraces the concept of middleware when processing the request/response cycle. Define module with use Tesla and choose from a variety of middleware. Tesla is built around the concept of composable middlewares. This is very similar to how Plug Router works.
    Downloads: 12 This Week
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  • 14
    tsafe

    tsafe

    The missing TypeScript utils

    Tsafe is a lightweight TypeScript utility library designed to improve type safety and code clarity. It provides helpers for runtime type assertions, exhaustive type checking, and ensuring strict type constraints.
    Downloads: 0 This Week
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  • 15
    quickjs-emscripten

    quickjs-emscripten

    Safely execute untrusted Javascript in your Javascript

    ...The library abstracts the complexity of loading and initializing the WebAssembly module, offering convenient APIs to create and manage execution contexts. It allows seamless interaction between the host environment and the embedded QuickJS runtime, including passing values, objects, and functions across boundaries. This makes it suitable for building plugin systems, sandboxed scripting environments, and AI-related workflows where controlled execution is essential.
    Downloads: 6 This Week
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  • 16
    Google Highway

    Google Highway

    Performance-portable, length-agnostic SIMD with runtime dispatch

    ...Highway enables the same source code to run across different platforms and instruction sets, including architectures with scalable vector lengths, which are not known at compile time. This portability is achieved through dynamic or static dispatch mechanisms that select the best available instruction set at runtime or compile time. The library is designed for developers who need to maximize CPU performance in domains such as image processing, compression, cryptography, and scientific computing.
    Downloads: 6 This Week
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  • 17
    Cap'n Proto

    Cap'n Proto

    Serialization/RPC system - core tools and C++ library

    ...The repository contains the main compiler, C++ runtime, KJ library components, tests, style guidance, release tooling, and development branches. It is especially useful for systems programming, service communication, sandbox communication, and low-latency infrastructure.
    Downloads: 0 This Week
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  • 18
    Dominator

    Dominator

    Zero-cost ultra-high-performance declarative DOM library using FRP

    ...The library is designed to be “zero-cost,” meaning that abstractions compile down to highly optimized code with no unnecessary runtime overhead. Updates are handled in constant time regardless of application size, making it highly scalable for complex interfaces. Its API is inspired by component-based frameworks like React, but tailored to Rust’s ownership model and compiled to WebAssembly for browser execution.
    Downloads: 2 This Week
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  • 19
    CPU Features

    CPU Features

    A cross platform C99 library to get cpu features at runtime

    cpu_features is a cross-platform C library developed by Google that provides a simple and efficient way to detect available CPU features at runtime across a wide range of architectures and operating systems. It enables applications to determine which instruction sets (such as SSE, AVX, or NEON) are supported on the host machine, allowing developers to optimize performance dynamically.
    Downloads: 1 This Week
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  • 20
    SGDK 1.90

    SGDK 1.90

    A free and open development kit for the Sega Mega Drive

    SGDK library and custom tools are distributed under the MIT license (see license.txt file). GCC compiler and libgcc are under GNU license (GPL3) and any software build from it (as the SGDK library) is under the GCC runtime library exception license.
    Downloads: 27 This Week
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  • 21
    NetBeauty 2

    NetBeauty 2

    Move a .NET Framework/.NET Core app runtime components

    NetBeauty2 is a packaging and cleanup tool for .NET Framework and .NET Core applications that organizes runtime files and dependencies into a dedicated subdirectory. Its main purpose is to make published application folders cleaner, easier to browse, and easier to ship. The tool supports .NET Framework, .NET Core 3.0 and later, and multiple deployment models, including framework-dependent, self-contained, and framework-dependent executable outputs. It can reduce file clutter by moving...
    Downloads: 1 This Week
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  • 22
    bidict

    bidict

    The bidirectional mapping library for Python

    Depended on by Google, Venmo, CERN, Baidu, Tencent, and teams across the world since 2009. Familiar, Pythonic APIs that are carefully designed for safety, simplicity, flexibility, and ergonomics. Lightweight, with no runtime dependencies outside Python's standard library. Implemented in concise, well-factored, fully type-hinted Python code that is optimized for running efficiently as well as for long-term maintenance and stability. Extensively documented. 100% test coverage running continuously across all supported Python versions. Enterprise-level support for bidict can be obtained via the Tidelift subscription. ...
    Downloads: 6 This Week
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  • 23
    react-native-fast-tflite

    react-native-fast-tflite

    High-performance TensorFlow Lite library for React Native

    react-native-fast-tflite is a high-performance TensorFlow Lite library for React Native applications. It is built with Nitro Modules and uses the low-level C and C++ TensorFlow Lite core API for direct memory access. The library supports zero-copy ArrayBuffers, which helps reduce overhead when passing model inputs and outputs through React Native. It can load and swap TensorFlow Lite models at runtime, making it useful for apps that run multiple machine learning tasks. ...
    Downloads: 0 This Week
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  • 24
    EnTT

    EnTT

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

    EnTT is a header-only, tiny and easy to use library for game programming and much more written in modern C++. Among others, it's used in Minecraft by Mojang, the ArcGIS Runtime SDKs by Esri and the amazing Ragdoll. The entity-component-system (also known as ECS) is an architectural pattern used mostly in game development. This project started off as a pure entity-component system.
    Downloads: 5 This Week
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  • 25
    Python

    Python

    The Python programming language

    Python is a powerful, high-level programming language known for its readability, simplicity, and versatility. It supports multiple programming paradigms including procedural, object-oriented, and functional styles. CPython, the reference implementation, is developed and maintained by the Python Software Foundation and the global open-source community. The language includes a vast standard library that accelerates development by providing built-in modules for file handling, networking, data...
    Downloads: 26 This Week
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