Showing 33917 open source projects for "java open source"

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  • Cloud tools for web scraping and data extraction Icon
    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
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  • 1
    ffmpeg.wasm

    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.
    Downloads: 7 This Week
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  • 2
    Pyparsing

    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.​
    Downloads: 3 This Week
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  • 3
    Article Extractor

    Article Extractor

    To extract main article from given URL with Node.js

    A Node.js library for extracting main content from web articles, removing unnecessary clutter like ads and navigation elements.
    Downloads: 3 This Week
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  • 4
    OpenAPI-TS

    OpenAPI-TS

    The OpenAPI to TypeScript codegen. Generate clients, SDKs, validators

    A TypeScript utility for generating and manipulating OpenAPI definitions, making it easier to work with API schemas in TypeScript projects.
    Downloads: 3 This Week
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  • Smart Business Texting that Generates Pipeline Icon
    Smart Business Texting that Generates Pipeline

    Create and convert pipeline at scale through industry leading SMS campaigns, automation, and conversation management.

    TextUs is the leading text messaging service provider for businesses that want to engage in real-time conversations with customers, leads, employees and candidates. Text messaging is one of the most engaging ways to communicate with customers, candidates, employees and leads. 1:1, two-way messaging encourages response and engagement. Text messages help teams get 10x the response rate over phone and email. Business text messaging has become a more viable form of communication than traditional mediums. The TextUs user experience is intentionally designed to resemble the familiar SMS inbox, allowing users to easily manage contacts, conversations, and campaigns. Work right from your desktop with the TextUs web app or use the Chrome extension alongside your ATS or CRM. Leverage the mobile app for on-the-go sending and responding.
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  • 5
    Notifme SDK

    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.
    Downloads: 3 This Week
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  • 6
    BuilderBot

    BuilderBot

    Build automated conversation flows agnostic to the WhatsApp provider

    With this library, you can build automated conversation flows agnostic to the WhatsApp provider, set up automated responses for frequently asked questions, receive and respond to messages automatically, and track interactions with customers. Additionally, you can easily set up triggers to expand functionalities limitlessly.
    Downloads: 3 This Week
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  • 7
    Icestudio

    Icestudio

    Visual editor for open FPGA boards

    Visual editor for open FPGA boards. Built on top of the Icestorm project using Apio.
    Downloads: 2 This Week
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  • 8
    Top Go Web Frameworks

    Top Go Web Frameworks

    Web frameworks for Go, most starred on GitHub

    go-web-framework-stars is a curated list of popular Go web framework projects ranked automatically by their star counts on GitHub. The repository generates a markdown table that includes each framework’s name, star and fork counts, open issue counts, a short description, and the timestamp of the last commit, making it a quick way to compare ecosystem maturity and activity. It includes well-known frameworks and toolkits such as Gin, Fiber, Beego, Echo, go-zero, chi, Kratos, and many more, giving Go developers a broad overview of their options. The data is derived from a simple source file (list.txt) and rendered via a Go utility (list2md.go), so contributors can update the list with minimal friction. ...
    Downloads: 5 This Week
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  • 9
    Kubernetes Python Client

    Kubernetes Python Client

    Official Python client library for kubernetes

    Official Python client library for Kubernetes. Kubernetes supports three minor releases at a time. "Support" means we expect users to be running that version in production, though we may not port fixes back before the latest minor version. For example, when v1.3 comes out, v1.0 will no longer be supported. In consistent with the Kubernetes support policy, we expect to support three GA major releases (corresponding to three Kubernetes minor releases) at a time.
    Downloads: 6 This Week
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  • Total Network Visibility for Network Engineers and IT Managers Icon
    Total Network Visibility for Network Engineers and IT Managers

    Network monitoring and troubleshooting is hard. TotalView makes it easy.

    This means every device on your network, and every interface on every device is automatically analyzed for performance, errors, QoS, and configuration.
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  • 10
    Petastorm

    Petastorm

    Petastorm library enables single machine or distributed training

    Petastorm library enables single machine or distributed training and evaluation of deep learning models from datasets in Apache Parquet format. It supports ML frameworks such as Tensorflow, Pytorch, and PySpark and can be used from pure Python code. Petastorm is an open-source data access library developed at Uber ATG. This library enables single machine or distributed training and evaluation of deep learning models directly from datasets in Apache Parquet format. Petastorm supports popular Python-based machine learning (ML) frameworks such as Tensorflow, PyTorch, and PySpark. It can also be used from pure Python code. ...
    Downloads: 5 This Week
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  • 11
    Pulumi

    Pulumi

    Developer-first infrastructure as code. Your cloud, your language

    ...Simply write code in your favorite language and Pulumi automatically provisions and manages your AWS, Azure, Google Cloud Platform, and/or Kubernetes resources, using an infrastructure-as-code approach. Skip the YAML, and use standard language features like loops, functions, classes, and package management that you already know and love. Pulumi is open source under the Apache 2.0 license, supports many languages and clouds, and is easy to extend. This repo contains the pulumi CLI, language SDKs, and core Pulumi engine, and individual libraries are in their own repos. Walk through end-to-end workflows for creating containers, serverless functions, and other cloud services and infrastructure.
    Downloads: 4 This Week
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  • 12
    Skiko

    Skiko

    Kotlin Multiplatform bindings to Skia

    Skiko is an open-source graphics library from JetBrains that provides lightweight, cross-platform bindings for the Skia graphics engine tailored specifically for Kotlin Multiplatform and Compose applications. It serves as the low-level rendering backbone for Kotlin UI frameworks like Compose for Desktop and Compose for Web, enabling smooth, GPU-accelerated 2D graphics across Windows, macOS, Linux, and other supported targets without writing native code.
    Downloads: 6 This Week
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  • 13
    Gatling

    Gatling

    Modern Load Testing as Code

    Gatling is a high-performance load testing tool built on the JVM that emphasizes realism, scalability, and developer ergonomics. Test scenarios are scripted in a concise Scala-based DSL, allowing you to model user journeys with think times, feeders (dynamic data), checks, and assertions all in code. Its asynchronous, non-blocking engine (backed by Netty) can drive very high concurrency from a single injector, reducing the need for large injector farms. Gatling supports HTTP out of the box as...
    Downloads: 11 This Week
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  • 14
    GitHub Dark

    GitHub Dark

    Dark GitHub style

    GitHub-Dark is a userstyle that transforms GitHub’s interface into a coherent dark theme, covering repositories, issues, pull requests, gists, and profile pages. Distributed as a CSS stylesheet intended for the Stylus browser extension, it applies a comprehensive palette, rebalances contrast, and refines syntax colors for code views to ensure readability in low-light settings. The project goes beyond simple inversion by thoughtfully adjusting backgrounds, borders, badges, and diff highlights...
    Downloads: 10 This Week
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  • 15
    Orange ORM

    Orange ORM

    The ultimate ORM for Node and Typescript

    Orange ORM is a lightweight, reflection-free ORM for Go that emphasizes performance and direct control. It provides a SQL-like fluent API and struct tagging system to map Go structs to database tables. Orange ORM supports PostgreSQL, MySQL, and SQLite, making it suitable for fast, embedded, or minimal-dependency applications.
    Downloads: 5 This Week
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  • 16
    Apx

    Apx

    Apx (/à·peks/) is the default package manager in Vanilla OS

    Apx is the default package manager for Vanilla OS, designed to manage software installations within isolated subsystems. It acts as a wrapper around multiple package managers, allowing users to install and run packages from various Linux distributions in a containerized environment. This approach ensures system stability and security by preventing direct modifications to the host system.​
    Downloads: 4 This Week
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  • 17
    GuardDog

    GuardDog

    GuardDog is a CLI tool to Identify malicious PyPI and npm packages

    guarddog is an open-source security tool by DataDog designed to detect risks in open-source dependencies. It helps developers analyze software supply chain risks and prevent malicious or vulnerable packages from being used.
    Downloads: 2 This Week
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  • 18
    NestJS CLI

    NestJS CLI

    CLI tool for Nest applications

    The Nest CLI is a command-line interface tool that helps you to initialize, develop, and maintain your Nest applications. It assists in multiple ways, including scaffolding the project, serving it in development mode, and building and bundling the application for production distribution. It embodies best-practice architectural patterns to encourage well-structured apps.
    Downloads: 5 This Week
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  • 19
    mp-units

    mp-units

    The quantities and units library for C++

    mp-units is a compile-time enabled feature-rich Modern C++ modular/header-only library that provides compile-time dimensional analysis and unit/quantity manipulation. Its key strengths include safety, performance, and developer experience.
    Downloads: 5 This Week
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  • 20
    PdfPig

    PdfPig

    Read and extract text and other content from PDFs in C#

    This project allows users to read and extract text and other content from PDF files. In addition the library can be used to create simple PDF documents containing text and geometrical shapes.
    Downloads: 5 This Week
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  • 21
    ToolJet

    ToolJet

    Extensible low-code framework for building business applications

    ...Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc and build apps using drag and drop application builder. Built using JavaScript/TypeScript. Everything you need to build internal tools. Open-source low-code application development platform for building and deploying business applications. Build complicated frontends without any experience in React, CSS or event HTML. Drag and drop 35+ in-built UI components to build even complicated frontends. Adding new components, resizing them, adjusting position, changing colors etc can be done using the visual app editor. ...
    Downloads: 6 This Week
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  • 22
    Catch2

    Catch2

    A modern, C++-native, test framework for unit-tests, TDD and BDD

    A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch). Catch2 is mainly a unit testing framework for C++, but it also provides basic micro-benchmarking features and simple BDD macros. Catch2's main advantage is that using it is both simple and natural. Test names do not have to be valid identifiers, assertions look like normal C++ boolean expressions, and sections provide a nice and...
    Downloads: 11 This Week
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  • 23
    axe-core

    axe-core

    Accessibility engine for automated Web UI testing

    Axe is an accessibility testing engine for websites and other HTML-based user interfaces. It's fast, secure, lightweight, and was built to seamlessly integrate with any existing test environment so you can automate accessibility testing alongside your regular functional testing. Axe-core has different types of rules, for WCAG 2.0 and 2.1 on level A and AA, as well as a number of best practices that help you identify common accessibility practices like ensuring every page has an h1 heading,...
    Downloads: 10 This Week
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  • 24
    Locust

    Locust

    Scalable open source load testing tool

    Locust is an open source user load testing tool written in Python. The idea behind Locust is to swarm your web site or other systems with attacks from simulated users during a test, with each user behavior defined by you using Python code. This swarming process is then monitored from a web UI in real-time, and will help identify any bottlenecks in your code before real users can come in.
    Downloads: 4 This Week
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  • 25
    Kodus

    Kodus

    AI code reviews, just like your senior dev would do

    Kodus-AI is a framework for building, training, and deploying intelligent agents and models, especially focusing on practical AI workflows for businesses and automation. It provides a structured set of tools and abstractions that help teams design agent behaviors, orchestrate data pipelines, optimize inference, and integrate AI capabilities with applications or services. The platform often includes model management, scalable training workflows, and orchestration patterns that help teams move...
    Downloads: 8 This Week
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