Showing 4729 open source projects for "java open source"

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    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
    ioredis

    ioredis

    A performance-focused Redis client for Node.js

    ioredis is a robust, full-featured Redis client that is used in the world's biggest online commerce company Alibaba and many other awesome companies. Full-featured. It supports Cluster, Sentinel, Streams, Pipelining and of course Lua scripting & Pub/Sub (with the support of binary messages). High performance. Delightful API. It works with Node callbacks and Native promises. Transformation of command arguments and replies. Transparent key prefixing. Abstraction for Lua scripting, allowing you...
    Downloads: 3 This Week
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  • 2
    Greenmask

    Greenmask

    PostgreSQL database anonymization and synthetic data generation tool

    Greenmask is a powerful open-source utility that is designed for logical database backup dumping, obfuscation, and restoration. It offers extensive functionality for backup, anonymization, and data masking. Greenmask is written in pure Go and includes ported PostgreSQL libraries that allows for platform independence. This tool is stateless and does not require any changes to your database schema.
    Downloads: 2 This Week
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  • 3
    Dgraph

    Dgraph

    The Only Native GraphQL Database With A Graph Backend

    Dgraph is a horizontally scalable and distributed GraphQL database, the only native GraphQL database to have a graph backend. Dgraph is able to do things that other graph DBs can’t. It provides consistent replication, automatic data movement for shard balancing, distributed ACID transactions, as well as native support for full text search, regular expressions and geo search. If you have over 10 SQL tables interconnected via foreign keys, or sparse data that don’t fit neatly into SQL...
    Downloads: 2 This Week
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  • 4
    pg_squeeze

    pg_squeeze

    A PostgreSQL extension for automatic bloat cleanup

    pg_squeeze is a PostgreSQL extension that reclaims space in bloated tables without blocking read or write access. It provides a non-intrusive alternative to VACUUM FULL by creating a new compacted copy of the table in the background. It’s particularly useful for maintaining performance in large, heavily updated databases.
    Downloads: 1 This Week
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  • Lightspeed golf course management software Icon
    Lightspeed golf course management software

    Lightspeed Golf is all-in-one golf course management software to help courses simplify operations, drive revenue and deliver amazing golf experiences.

    From tee sheet management, point of sale and payment processing to marketing, automation, reporting and more—Lightspeed is built for the pro shop, restaurant, back office, beverage cart and beyond.
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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: 0 This Week
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  • 6
    HypoPG

    HypoPG

    Hypothetical Indexes for PostgreSQL

    HypoPG is a PostgreSQL extension that allows you to create hypothetical indexes without actually building them on disk. It helps developers and DBAs test the impact of potential indexes on query performance before committing resources. By simulating indexes, HypoPG assists in query optimization and index strategy planning without any performance or storage cost.
    Downloads: 1 This Week
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  • 7
    WhoDB

    WhoDB

    A lightweight next-gen data explorer

    WhoDB is a lightweight audit logging extension for PostgreSQL that helps track who accessed what data and when. It uses logical decoding and hooks into PostgreSQL internals to log query metadata, user identities, and timestamps in a separate audit schema. WhoDB is useful for compliance, security monitoring, and debugging in multi-user environments.
    Downloads: 1 This Week
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  • 8
    mongo-express

    mongo-express

    Web-based MongoDB admin interface, written with Node.js

    A web-based MongoDB admin interface written with Node.js, Express, and Bootstrap 5.
    Downloads: 1 This Week
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  • 9
    etcd

    etcd

    Distributed reliable key-value store for the most critical data

    A distributed, reliable key-value store for the most critical data of a distributed system. etcd is a strongly consistent, distributed key-value store that provides a reliable way to store data that needs to be accessed by a distributed system or cluster of machines. It gracefully handles leader elections during network partitions and can tolerate machine failure, even in the leader node. etcd is a consistent distributed key-value store. Mainly used as a separate coordination service, in...
    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

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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: 1 This Week
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  • 11
    SQL Notebook

    SQL Notebook

    SQL Notebook — Casual data exploration in SQL

    SQL Notebook is a free Windows application for querying and analyzing data across multiple sources, including SQLite, PostgreSQL, Excel, and CSV files. It combines a SQL editor with a notebook interface, allowing for data exploration, transformation, and visualization in one place. SQL Notebook is ideal for analysts and data enthusiasts.
    Downloads: 1 This Week
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  • 12
    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: 1 This Week
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  • 13
    Pongo

    Pongo

    Pongo - Mongo but on Postgres and with strong consistency benefits

    Pongo is a developer tool for running isolated Postgres environments in Docker with one command. It's built to help engineers quickly spin up clean PostgreSQL instances for testing, debugging, or local development without needing global database installations. Pongo also handles version pinning and supports extensions, making it great for repeatable workflows.
    Downloads: 1 This Week
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  • 14
    pg_mooncake

    pg_mooncake

    Real-time analytics on Postgres tables

    pg_mooncake is a PostgreSQL extension that brings observability and performance insights to your database by exposing low-level metrics and analytics. It provides developers with enhanced visibility into query execution, memory usage, and system behavior. Ideal for fine-tuning Postgres performance, pg_mooncake is designed for those who need actionable insights without external tools.
    Downloads: 1 This Week
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  • 15
    Martin

    Martin

    Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server

    Martin is a fast and lightweight tile server for serving vector and raster tiles from PostGIS-enabled PostgreSQL databases. Written in Rust, it is optimized for performance and low memory usage, making it suitable for production geospatial applications. Martin supports modern web mapping standards and integrates seamlessly with MapLibre and other mapping libraries.
    Downloads: 1 This Week
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  • 16
    Blue Whale Configuration Platform

    Blue Whale Configuration Platform

    Blue Whale smart cloud configuration platform

    Has accumulated experience in supporting hundreds of Tencent businesses, compatible with various complex system architectures, born in operation and maintenance, and proficient in operation and maintenance. From configuration management to job execution, task scheduling and monitoring self-healing, and then through operation and maintenance big data analysis to assist operational decision-making, it covers the full-cycle assurance management of business operations in a comprehensive manner....
    Downloads: 2 This Week
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  • 17
    Supabase Realtime

    Supabase Realtime

    Listen to your to PostgreSQL database in realtime via websockets

    Supabase is an open-source Firebase alternative. Start your project with a Postgres database, Authentication, instant APIs, Edge Functions, Realtime subscriptions, and Storage. Every project is a full Postgres database, the world's most trusted relational database. Add user sign ups and logins, securing your data with Row Level Security. Store, organize, and serve large files.
    Downloads: 1 This Week
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  • 18
    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: 0 This Week
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  • 19
    Skeet

    Skeet

    What...? Skeet is evolving to SLV

    Skeet is an open source framework designed for building scalable serverless applications with Firebase, Google Cloud, and GraphQL.
    Downloads: 0 This Week
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  • 20
    GrandNode Database

    GrandNode Database

    Open-Source eCommerce Platform on .NET Core, MongoDB, AWS DocumentDB

    GrandNode 2 is an open-source, headless, and multi-platform e-commerce solution built on .NET and MongoDB. It is designed for high scalability and flexibility, making it suitable for businesses requiring a customizable online store with modern technologies.
    Downloads: 0 This Week
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  • 21
    vue-fontawesome

    vue-fontawesome

    Font Awesome Vue component

    ...From the beginning, Font Awesome has been free and open source. And since we're creator-owned and operated, we get to make sure Font Awesome Free stays that way.
    Downloads: 1 This Week
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  • 22
    Supabase JS

    Supabase JS

    An isomorphic Javascript client for Supabase

    supabase-js is the official JavaScript client library for interacting with Supabase services. It enables developers to easily access Supabase’s Postgres database, authentication, storage, and real-time subscriptions through a unified client. Designed for frontend and full-stack apps, supabase-js integrates smoothly with modern frameworks and supports both browser and server environments.
    Downloads: 1 This Week
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  • 23
    cbl-dart

    cbl-dart

    Couchbase Lite for Dart and Flutter

    CBL-Dart is a Dart wrapper for Couchbase Lite, allowing Flutter and Dart applications to integrate with Couchbase’s NoSQL database. It enables offline data storage, synchronization, and efficient querying for mobile and embedded applications.
    Downloads: 1 This Week
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  • 24
    dblab

    dblab

    The database client every command line junkie deserves

    dblab is a fast and lightweight interactive terminal based UI application for PostgreSQL, MySQL and SQLite3, written in Go and works on OSX, Linux and Windows machines. Main idea behind using Go for backend development is to utilize ability of the compiler to produce zero-dependency binaries for multiple platforms. dblab was created as an attempt to build very simple and portable application to work with local or remote PostgreSQL/MySQL/SQLite3/Oracle/SQL Server databases.
    Downloads: 1 This Week
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  • 25
    With Advisory Lock

    With Advisory Lock

    Advisory locking for ActiveRecord

    with_advisory_lock is a Ruby gem that provides a simple and thread-safe way to use PostgreSQL advisory locks within Ruby applications. It allows developers to wrap critical code sections with database-level locks to prevent race conditions across concurrent processes or threads. It’s especially useful in distributed systems, background job processing, or scheduled tasks where application-level mutexes aren't sufficient.
    Downloads: 1 This Week
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