Showing 446 open source projects for "java open source"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    react-jsonschema-form

    react-jsonschema-form

    A React component for building Web forms from JSON Schema

    A simple React component capable of using JSON Schema to declaratively build and customize web forms.
    Downloads: 10 This Week
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  • 2
    JSON Hero

    JSON Hero

    JSON Hero is an open-source, beautiful JSON explorer for the web

    JSON Hero is a beautiful and powerful JSON viewer designed for developers who work with large and complex JSON files. It runs as a web-based interface (and as a standalone app) that provides semantic, interactive rendering of JSON content, helping users understand the structure and meaning of data at a glance. JSON Hero automatically detects data types such as URLs, dates, colors, and base64 images, and presents them in meaningful ways. It’s designed for productivity and readability, with...
    Downloads: 9 This Week
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  • 3
    JSON diff and patch

    JSON diff and patch

    JSON diff and patch

    jd is a command line utility and Go library for diffing and patching JSON and YAML values. It supports a native jd format (similar to a unified format) as well as JSON Merge Patch (RFC 7386) and a subset of JSON Patch (RFC 6902).
    Downloads: 8 This Week
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  • 4
    jsoniter-scala

    jsoniter-scala

    Scala macros for compile-time generation of safe and ultra-fast JSON

    Scala macros for compile-time generation of safe and ultra-fast JSON codecs. This library had started from macros that reused jsoniter (json-iterator) for Java reader and writer but then the library evolved to have its own core of mechanics for parsing and serialization. The idea to generate codecs by Scala macros and main details was borrowed from Kryo Macros and adapted for the needs of the JSON domain. Validate parsed values safely with the fail-fast approach and clear reporting, provide...
    Downloads: 1 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 5
    ArduinoJson

    ArduinoJson

    JSON library for Arduino and embedded C++. Simple and efficient

    ArduinoJson is a C++ JSON library for Arduino and IoT (Internet Of Things). ArduinoJson has a simple and intuitive syntax to handle objects and arrays. ArduinoJson supports both JSON serialization and deserialization. ArduinoJson uses a fixed memory allocation, allowing to work on devices with very little RAM. ArduinoJson can filter large inputs to keep only fields that are relevant to your application, thereby saving a lot of memory. ArduinoJson can parse directly from an input Stream or...
    Downloads: 16 This Week
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  • 6
    Universal-Updater

    Universal-Updater

    An easy to use app for installing and updating 3DS homebrew

    Universal-Updater is a homebrew application for the Nintendo 3DS with the intention to make downloading other homebrew simple and easy. No need to manually copy files or go through installation processes, as it does that all for you.
    Downloads: 9 This Week
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  • 7
    D++

    D++

    C++ Discord API Bot Library - D++ is Lightweight and scalable

    D++ is a lightweight and simple library for Discord written in modern C++. It is designed to cover as much of the API specification as possible and to have an incredibly small memory footprint, even when caching large amounts of data. It is created by the developer of TriviaBot and contributed to by a dedicated team of developers.
    Downloads: 9 This Week
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  • 8
    sq data wrangler

    sq data wrangler

    sq data wrangler

    sq is a command line tool that provides jq-style access to structured data sources: SQL databases, or document formats like CSV or Excel. sq executes jq-like queries, or database-native SQL. It can join across sources: join a CSV file to a Postgres table, or MySQL with Excel. sq outputs to a multitude of formats including JSON, Excel, CSV, HTML, Markdown and XML, and can insert query results directly to a SQL database. sq can also inspect sources to view metadata about the source structure...
    Downloads: 10 This Week
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  • 9
    JSON Crack

    JSON Crack

    Innovative and open-source visualization application

    JSON Crack is a free, open-source data visualization app capable of visualizing data formats such as JSON, YAML, XML, CSV and more, into interactive graphs. With its intuitive and user-friendly interface, JSON Crack makes it easy to explore, analyze, and understand even the most complex data structures. Whether you're a developer working on a large-scale project or a data enthusiast looking to uncover hidden insights, JSON Crack has the tools and features you need to unlock the full potential of your data.
    Downloads: 5 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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  • 10
    Express Zod API

    Express Zod API

    A Typescript library to help you get an API server up and running

    Start your API server with I/O schema validation and custom middlewares in minutes. I made this library because of the often repetitive tasks of starting a web server API with the need to validate input data. It integrates and provides the capabilities of popular web servers, logger, validation, and document solutions. Therefore, many basic tasks can be accomplished faster and easier.
    Downloads: 8 This Week
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  • 11
    TOML

    TOML

    Tom Preston-Werner's obvious, minimal language

    Tom's Obvious, Minimal Language. By Tom Preston-Werner, Pradyun Gedam, et al. TOML aims to be a minimal configuration file format that's easy to read due to obvious semantics. TOML is designed to map unambiguously to a hash table. TOML should be easy to parse into data structures in a wide variety of languages. TOML shares traits with other file formats used for application configuration and data serialization, such as YAML and JSON. TOML and JSON both are simple and use ubiquitous data...
    Downloads: 12 This Week
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  • 12
    FreeTAKServer

    FreeTAKServer

    Situational Awareness Server compatible with TAK clients

    FTS is a Python3 implementation of a TAK Server for devices like ATAK, WinTAK, and ITAK, it is cross-platform and runs from a multi-node installation on AWS down to the Android edition. It's free and open source (released under the Eclipse Public License. FTS allows you to connect ATAK clients to share geo-information, to chat with all the connected clients, exchange files and more. It intends to support all the major use cases of the original TAK server.
    Downloads: 6 This Week
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  • 13
    Remarshal

    Remarshal

    Convert between CBOR, JSON, MessagePack, TOML, and YAML

    Convert between CBOR, JSON, MessagePack, TOML, and YAML. When installed, provides the command-line command remarshal as well as the short commands {cbor,json,msgpack,toml,yaml}2{cbor,json,msgpack,toml,yaml}. You can perform format conversion, reformatting, and error detection using these commands. CBOR, MessagePack, and YAML with binary fields cannot be converted to JSON or TOML. Binary fields are converted between CBOR, MessagePack, and YAML.
    Downloads: 8 This Week
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  • 14
    fast-json-stringify

    fast-json-stringify

    2x faster than JSON.stringify()

    fast-json-stringify is significantly faster than JSON.stringify() for small payloads. Its performance advantage shrinks as your payload grows. It pairs well with flatstr, which triggers a V8 optimization that improves performance when eventually converting the string to a Buffer.
    Downloads: 6 This Week
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  • 15
    jql

    jql

    A JSON Query Language CLI tool

    jql is a JSON Query Language tool built with Rust.
    Downloads: 5 This Week
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  • 16
    Editor.js

    Editor.js

    A block-style editor with clean JSON output

    Editor.js is an open-source text editor offering a variety of features to help users create and format content efficiently. It has a modern, block-style interface that allows users to easily add and arrange different types of content, such as text, images, lists, quotes, etc. Each Block is provided via a separate plugin making Editor.js extremely flexible.
    Downloads: 4 This Week
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  • 17
    JSONView

    JSONView

    A web extension that helps you view JSON documents in the browser

    A web extension that helps you view JSON documents in the browser. Normally when encountering a JSON document (content type application/json), Firefox simply prompts you to download the view. With the JSONView extension, JSON documents are shown in the browser similar to how XML documents are shown. The document is formatted, highlighted, and arrays and objects can be collapsed. Even if the JSON document contains errors, JSONView will still show the raw text. JSONView is a Web extension...
    Downloads: 7 This Week
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  • 18
    Glaze

    Glaze

    Extremely fast, in memory, JSON and interface library for modern C++

    One of the fastest JSON libraries in the world. Glaze reads and writes from C++ memory, simplifying interfaces and offering incredible performance. Glaze also supports binary messages via BEVE and CSV support. And, the library has many more useful features for building APIs.
    Downloads: 5 This Week
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  • 19
    JsonCpp

    JsonCpp

    A C++ library for interacting with JSON

    JSON is a lightweight data-interchange format. It can represent numbers, strings, ordered sequences of values, and collections of name/value pairs. JsonCpp is a C++ library that allows manipulating JSON values, including serialization and deserialization to and from strings. It can also preserve existing comment in unserialization/serialization steps, making it a convenient format to store user input files. The branch 00.11.zis a new branch, its major version number 00 is to show that it is...
    Downloads: 8 This Week
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  • 20
    json_serializable

    json_serializable

    Generates utilities to aid in serializing to/from JSON.

    Provides Dart Build System builders for handling JSON.
    Downloads: 4 This Week
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  • 21
    ojg

    ojg

    Optimized JSON for Go

    Optimized JSON for Go is a high-performance parser with a variety of additional JSON tools. OjG is optimized to processing huge data sets where data does not necessarily conform to a fixed structure.
    Downloads: 4 This Week
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  • 22
    Canmatrix

    Canmatrix

    Converting Can (Controller Area Network) Database Formats

    Canmatrix is a Python package to read and write several CAN (Controller Area Network) database formats. Canmatrix implements a "Python Can Matrix Object" which describes the can-communication and the needed objects (Board units, Frames, Signals, Values, ...) Canmatrix also includes two Tools (can convert and can compare) for converting and comparing CAN databases.
    Downloads: 4 This Week
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  • 23
    Alcinoe

    Alcinoe

    Alcinoe Component Library For Delphi

    Alcinoe is a library of visual and non-visual components for Delphi. These components can be used in commercial, shareware, freeware, and open-source projects at no cost. Alcinoe is compatible with Delphi Alexandria 11.3 (Patch #1). If you find this project useful, please consider giving it a 'star' on GitHub. It doesn't cost anything, but it helps to promote the code. To set up Alcinoe, first execute CompileAll.bat. This batch file handles a series of tasks: it retrieves and patches the original Delphi source code, downloads the necessary iOS/Android libraries, constructs the Alcinoe JAR files, builds the BPL (Borland Package Library), compiles tools from the {alcinoe}\Tools directory, and finally compiles all demos in the {alcinoe}\Demos directory. ...
    Downloads: 3 This Week
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  • 24
    jsondiff

    jsondiff

    Diff JSON and JSON-like structures in Python

    Diff JSON and JSON-like structures in Python.
    Downloads: 2 This Week
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  • 25
    fast-xml-parser

    fast-xml-parser

    Validate XML, Parse XML and Build XML rapidly

    Validate XML, Parse XML to JS Object, or Build XML from JS Object without C/C++ based libraries and no callback.
    Downloads: 3 This Week
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