Showing 6289 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
    Cockpit Content Platform

    Cockpit Content Platform

    Cockpit Core - Content Platform

    Cockpit is a flexible, API-first content management system (CMS) designed for developers who need a headless CMS to manage structured content for websites and applications.
    Downloads: 2 This Week
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  • 2
    PHP-CRUD-API

    PHP-CRUD-API

    Single file PHP script that adds a REST API to a SQL database

    Single file PHP script that adds a REST API to a MySQL/MariaDB, PostgreSQL, SQL Server or SQLite database. Howto: Upload "api.php" to your webserver, configure it to connect to your database, have an instant full-featured REST API. This is the TreeQL reference implementation in PHP. This is a single file application! Upload "api.php" somewhere and enjoy! For local development you may run PHP's built-in web server. All configuration options are also available as environment variables. Write...
    Downloads: 6 This Week
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  • 3
    River SQL

    River SQL

    Fast and reliable background jobs in Go

    River is a durable background job system for Ruby on Rails, designed for reliability, observability, and simplicity. It provides persistent queues, native Active Job support, automatic retries, and real-time job monitoring through its admin interface. River focuses on clear diagnostics, performance, and minimal configuration, making it ideal for production-ready job handling in Rails apps.
    Downloads: 4 This Week
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  • 4
    PGManage

    PGManage

    Web tool for database management

    pgManage is an open-source, cross-platform desktop GUI for managing PostgreSQL databases. It provides a tabbed interface for browsing schemas, writing queries, and managing server configurations. Designed for both developers and DBAs, pgManage aims to be a user-friendly yet powerful alternative to pgAdmin.
    Downloads: 2 This Week
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  • Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution Icon
    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

    K-12 Schools, Higher Education, Businesses, Restaurants

    Rise Vision is the #1 digital signage company, offering easy-to-use cloud digital signage software compatible with any player across multiple screens. Forget about static displays. Save time and boost sales with 500+ customizable content templates for your screens. If you ever need help, get free training and exceptionally fast support.
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  • 5
    IvorySQL

    IvorySQL

    Open Source Oracle Compatible PostgreSQL

    IvorySQL is an open-source PostgreSQL-compatible database that extends core Postgres with Oracle compatibility features. It adds support for PL/SQL, Oracle-style functions, and procedural syntax, making it easier for teams migrating Oracle workloads to open-source environments. IvorySQL retains PostgreSQL's performance and ecosystem while broadening compatibility.
    Downloads: 1 This Week
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  • 6
    pgstream

    pgstream

    PostgreSQL replication with DDL changes

    pgstream is an open source CDC command-line tool and library that offers Postgres replication support with DDL changes to any provided output. One of the main differentiators of pgstream is the fact that it tracks and replicates schema changes automatically. It relies on SQL triggers that will populate a Postgres table (pgstream.schema_log) containing a history log of all DDL changes for a given schema.
    Downloads: 4 This Week
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  • 7
    PeerDB

    PeerDB

    Fast, Simple and a cost effective tool to replicate data from Postgres

    PeerDB is an open-source platform for real-time replication and transformation of data from PostgreSQL to analytical warehouses like BigQuery and Snowflake. It supports Change Data Capture (CDC) and provides seamless syncing and transformation logic with low latency. PeerDB is ideal for teams building real-time data pipelines without relying on expensive proprietary solutions.
    Downloads: 2 This Week
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  • 8
    Digoal Blog

    Digoal Blog

    Opensource, Database, AI, Business

    Digoal Blog is a comprehensive collection of articles, tutorials, and resources focused on open-source databases, particularly PostgreSQL. Maintained by Digoal Zhou, the blog covers a wide range of topics including database optimization, architecture, and best practices, serving as a valuable resource for database administrators and developers.
    Downloads: 2 This Week
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  • 9
    SQL Studio

    SQL Studio

    SQL Database Explorer [SQLite, libSQL, PostgreSQL, MySQL/MariaDB

    SQL Studio is a database explorer supporting multiple databases like SQLite, libSQL, PostgreSQL, MySQL/MariaDB, DuckDB, and ClickHouse.
    Downloads: 2 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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  • 10
    Hasura GraphQL Engine

    Hasura GraphQL Engine

    Blazing fast, instant realtime GraphQL APIs on your DB

    Hasura is an open-source product that accelerates API development by 10x by giving you GraphQL or REST APIs with built-in authorization on your data, instantly. Run Hasura, locally or in the cloud, and connect it to your new or existing databases to instantly get a production-grade GraphQL API. Developers and architects love Hasura because it takes no time to get started, doesn’t need them to be a GraphQL expert upfront, and saves their teams months of recurring effort in building, shipping, and maintaining their APIs. ...
    Downloads: 3 This Week
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  • 11
    Koillection

    Koillection

    Self-hosted service allowing users to manage collection

    Koillection is a self-hosted web app for managing personal collections such as books, video games, electronics, and more. It allows users to track items, add metadata, upload images, and categorize collections by tags and types. Built with Symfony and Vue.js, Koillection is perfect for hobbyists and collectors seeking a customizable, private cataloging tool.
    Downloads: 3 This Week
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  • 12
    EMAGNET

    EMAGNET

    Automated hacking tool to find leaked databases with 97.1% accuracy

    Automated hacking tool that will find leaked databases with 97.1% accurate to grab mail + password. Before using Emagnet, please remember that with great power comes great responsibility. Pastebin patched the vulnerability I previously used in order to get recent uploads, so at the moment it is not possible to get recently uploaded files, you are now limited to all syntaxes exempt the default one (95% get's uploaded as 'text' and this is removed from all recent upload lists). Bruteforce...
    Downloads: 7 This Week
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  • 13
    Dynein

    Dynein

    DynamoDB CLI written in Rust

    Dynein is an open-source command-line interface (CLI) for AWS DynamoDB that provides advanced querying, data management, and administrative operations for NoSQL workloads.
    Downloads: 1 This Week
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  • 14
    SQLpage

    SQLpage

    Fast SQL-only data application builder

    SQLPage is a rapid application development tool that enables developers to build data-driven web applications using only SQL queries. By writing simple .sql files, users can create interactive web pages that display data as text, lists, grids, plots, and forms, streamlining the process of developing data applications without extensive frontend coding.
    Downloads: 2 This Week
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  • 15
    dbatools

    dbatools

    SQL Server automation and instance migrations have never been safer

    Instance migrations and best practice implementations have never been safer, faster or freer. dbatools is PowerShell module that you may think of like a command-line SQL Server Management Studio. The project initially started out as just Start-SqlMigration.ps1, but has now grown into a collection of over 500 commands that help automate SQL Server tasks and encourage best practices. dbatools now works on PowerShell Core (aka PowerShell 6+). This means that you can run a large majority of our...
    Downloads: 3 This Week
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  • 16
    Sequin

    Sequin

    Postgres change data capture to streams and queues like Kafka

    Sequin is a change data capture (CDC) system that replicates API data to Postgres in real time. It syncs services like Stripe, Salesforce, and GitHub into PostgreSQL tables, enabling developers to query third-party data with standard SQL. Sequin is ideal for building data-driven applications that need immediate visibility into external SaaS platforms.
    Downloads: 3 This Week
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  • 17
    Antares

    Antares

    A modern, fast and productivity driven SQL client with a focus in UX

    Antares is a modern, cross-platform SQL client built with Electron and Vue.js. It offers a clean and intuitive UI for managing databases like MySQL, PostgreSQL, SQLite, and more. Designed for developers and DBAs, Antares supports tabbed browsing, query editing with syntax highlighting, and visual schema exploration, making it a powerful alternative to heavier database tools.
    Downloads: 3 This Week
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  • 18
    ParadeDB

    ParadeDB

    ParadeDB is a modern Elasticsearch alternative built on Postgres

    ParadeDB is an open-source search and analytics engine built on top of PostgreSQL. It serves as a modern alternative to Elasticsearch, offering real-time search capabilities for update-heavy workloads. By leveraging PostgreSQL's robustness, ParadeDB provides a scalable and efficient solution for full-text search and analytics.
    Downloads: 1 This Week
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  • 19
    AriaNg

    AriaNg

    A modern web frontend making aria2 easier to use

    AriaNg is a modern web frontend making aria2 easier to use. AriaNg is written in pure html & javascript, thus it does not need any compilers or runtime environment. You can just put AriaNg in your web server and open it in your browser. AriaNg uses responsive layout, and supports any desktop or mobile devices. Sort tasks (by name, size, progress, remaining time, download speed, etc.), files, bittorrent peers. Search tasks, and retry tasks. Adjust task order by dragging. More information of...
    Downloads: 4 This Week
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  • 20
    ROM

    ROM

    Data mapping and persistence toolkit for Ruby

    A flexible, Ruby-based data-mapping and persistence toolkit, designed as an alternative to traditional ORMs.
    Downloads: 1 This Week
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  • 21
    RavenDB

    RavenDB

    ACID Document Database

    A NoSQL document database designed for high-performance, real-time applications with built-in distributed capabilities.
    Downloads: 1 This Week
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  • 22
    SQL Explorer

    SQL Explorer

    Easily share data across your company via SQL queries

    SQL Explorer aims to make the flow of data between people fast, simple, and confusion-free. It is a Django-based application that you can add to an existing Django site, or use as a standalone business intelligence tool. Quickly write and share SQL queries in a simple, usable SQL editor, preview the results in the browser, share links, download CSV, JSON, or Excel files (and even expose queries as API endpoints, if desired), and keep the information flowing! Comes with support for multiple...
    Downloads: 6 This Week
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  • 23
    DataScript

    DataScript

    Immutable database and Datalog query engine for Clojure, ClojureScript

    An immutable in-memory database and Datalog query engine in Clojure and ClojureScript. DataScript is meant to run inside the browser. It is cheap to create, quick to query and ephemeral. You create a database on page load, put some data in it, track changes, do queries and forget about it when the user closes the page. DataScript databases are immutable and based on persistent data structures. In fact, they’re more like data structures than databases (think Hashmap). Unlike querying a real...
    Downloads: 6 This Week
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  • 24
    migrate

    migrate

    Database migrations, CLI and Golang library

    Database migrations are written in Go. Use as CLI or import as a library. Migrate reads migrations from sources and applies them in correct order to a database. Drivers are "dumb", migrate glues everything together and makes sure the logic is bulletproof. (Keeps the drivers lightweight, too.) Database drivers don't assume things or try to correct user input. When in doubt, fail. Package migrate reads migrations from sources and runs them against databases. Sources are defined by the...
    Downloads: 3 This Week
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  • 25
    GlueSQL

    GlueSQL

    GlueSQL is quite sticky. It attaches to anywhere

    An embedded SQL database engine written in Rust, designed for lightweight, in-memory, and persistent storage use cases.
    Downloads: 1 This Week
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