Showing 7788 open source projects for "java open source"

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  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • 1
    GridDB

    GridDB

    GridDB is a next-generation open source database

    A cyber-physical systems is a system that collects a variety of data in physical space (the real world), analyzes and converts it into knowledge in cyberspace, and feeds the knowledge back to the real world to revitalize industry and solve social problems. GridDB is an open database that enables real-time processing of vast amounts of time-series data in physical space, which is necessary to realize a cyber-physical system. Multi-model architecture capable of supporting various data stores...
    Downloads: 1 This Week
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  • 2
    StarRocks

    StarRocks

    StarRocks is a next-gen sub-second MPP database for full analytics

    StarRocks is the next generation of real-time SQL engines for enterprise analytics. Real-time analytics is notoriously difficult. Complex data pipelines and de-normalized tables have always been a necessary evil. Processing any updates or deletes once data arrives has not been possible- until now. StarRocks solves these challenges and makes real-time analytics easy. Get amazing query performance on Star or Snowflake Schemas directly. From canceled orders to updated items, your analytics...
    Downloads: 3 This Week
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  • 3
    Postgres

    Postgres

    PostgreSQL driver for Deno

    A lightweight PostgreSQL driver for Deno focused on developer experience. deno-postgres is inspired by the excellent work of node-postgres and pq. The documentation is available on the deno-postgres website. Due to breaking changes introduced in the unstable APIs deno-postgres uses, there has been some fragmentation regarding what versions of Deno can be used alongside the driver.
    Downloads: 1 This Week
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  • 4
    ZhParser

    ZhParser

    PostgreSQL extension for full-text search of Chinese language

    zhparser is a PostgreSQL extension for full-text search of Chinese text. It integrates with PostgreSQL's text search engine to tokenize Chinese characters using a dictionary-based segmentation algorithm. zhparser is a valuable tool for improving search accuracy and performance in Chinese-language applications.
    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
    pg_easy_replicate

    pg_easy_replicate

    Easily setup logical replication and switchover to new database

    pg_easy_replicate is a simple tool for replicating PostgreSQL data from one database to another using logical replication. It abstracts away the complexity of publication/subscription setup and enables selective table replication. Ideal for developers or data engineers who want quick replication without deep Postgres expertise.
    Downloads: 1 This Week
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  • 6
    Dungbeetle

    Dungbeetle

    A distributed job server

    Dungbeetle is a metadata and data lineage tracking tool developed by Zerodha to map and visualize how data flows across systems. It helps teams maintain data transparency by tracking dependencies between databases, tables, and reports, offering a centralized view of data pipelines. Dungbeetle is designed to enhance observability and trust in analytics ecosystems.
    Downloads: 1 This Week
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  • 7
    Procrastinate

    Procrastinate

    PostgreSQL-based Task Queue for Python

    Procrastinate is a powerful PostgreSQL-based task queue for Python, built to integrate seamlessly with Django and FastAPI. It allows you to schedule and execute background jobs using your existing database infrastructure, avoiding the need for additional queueing systems like Redis. Procrastinate is designed with simplicity, reliability, and observability in mind.
    Downloads: 1 This Week
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  • 8
    Jet Database

    Jet Database

    Type safe SQL builder with code generation and automatic query result

    Jet is a complete solution for efficient and high-performance database access, consisting of a type-safe SQL builder with code generation and automatic query result data mapping. Jet currently supports PostgreSQL, MySQL, CockroachDB, MariaDB, and SQLite. Future releases will add support for additional databases.
    Downloads: 1 This Week
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  • 9
    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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  • Turn more customers into advocates. Icon
    Turn more customers into advocates.

    Fight skyrocketing paid media costs by turning your customers into a primary vehicle for acquisition, awareness, and activation with Extole.

    The platform's advanced capabilities ensure companies get the most out of their referral programs. Leverage custom events, profiles, and attributes to enable dynamic, audience-specific referral experiences. Use first-party data to tailor customer segment messaging, rewards, and engagement strategies. Use our flexible APIs to build management capabilities and consumer experiences–headlessly or hybrid. We have all the tools you need to build scalable, secure, and high-performing referral programs.
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  • 10
    PGlite

    PGlite

    Lightweight WASM Postgres with real-time, reactive bindings

    PGlite is a lightweight, WebAssembly (WASM) build of Postgres designed to run directly in JavaScript environments such as browsers, Node.js, Bun, and Deno, without the need for additional dependencies. It allows developers to run Postgres in-memory or with persistence to IndexedDB or local file systems, offering a simple yet powerful solution for local-first, real-time applications. At under 3MB gzipped, PGlite is optimized for efficiency and includes dynamic extension loading, support for...
    Downloads: 2 This Week
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  • 11
    Ibis

    Ibis

    Expressive analytics in Python at any scale

    Ibis is a Python library to help you write expressive analytics at any scale, small to large. Its goal is to simplify analytical workflows and make you more productive. Ibis gives you the benefit of a programming language. You don't need to sacrifice maintainability to get to those insights! Ibis builds on top of and works with existing Python tools. Ibis provides a full-featured replacement for SQL SELECT queries, but expressed with Python code. All tables in Ibis are immutable. To select a...
    Downloads: 2 This Week
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  • 12
    Realm Swift

    Realm Swift

    Realm is a mobile database: a replacement for Core Data & SQLite

    Realm is a fast, scalable alternative to SQLite with mobile to cloud data sync that makes building real-time, reactive mobile apps easy. Build data-rich apps without draining device resources with Realm's lazy loading and zero-copy architecture. The object-oriented data model lets developers work directly with native objects – no ORMs or DAOs are needed. Real-time mobile to cloud data sync makes it easy to build interactive features that keep data up-to-date across multiple devices, users,...
    Downloads: 2 This Week
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  • 13
    pg-osc

    pg-osc

    Easy CLI tool for making zero downtime schema changes

    pg-osc (Online Schema Change) is a CLI tool for making non-blocking schema changes to large PostgreSQL tables. It creates a shadow table, copies data incrementally, and swaps tables with minimal downtime. Ideal for high-traffic applications, pg-osc lets teams modify database structures safely in production environments.
    Downloads: 1 This Week
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  • 14
    pg-mem

    pg-mem

    An in memory postgres DB instance for your unit tests

    pg-mem is an in-memory PostgreSQL emulator for Node.js and TypeScript that allows you to simulate a Postgres database without a real server. It’s perfect for unit testing and development scenarios where spinning up a full database would be too heavy. pg-mem supports many Postgres features and is compatible with various ORMs like TypeORM and Sequelize.
    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
    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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  • 17
    Memgraph

    Memgraph

    Open-source graph database, tuned for dynamic analytics environments

    A high-performance, in-memory graph database designed for real-time analytics and complex network data processing.
    Downloads: 0 This Week
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  • 18
    Mikro Orm

    Mikro Orm

    TypeScript ORM for Node.js based on Data Mapper, Unit of Work

    TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. MikroORM allows handling transactions automatically. When you call em.flush(), all computed changes are wrapped inside a database transaction. Uses source code analysis so you do not have to repeat yourself when defining entities. Simply define correct TypeScript types and you are good to go! Supports MongoDB, MySQL, MariaDB, PostgreSQL and SQLite databases, and more can be supported via custom drivers...
    Downloads: 2 This Week
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  • 19
    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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  • 20
    lmdb-js

    lmdb-js

    Simple, efficient, ultra-fast, scalable data store wrapper for LMDB

    This is an ultra-fast NodeJS, Bun, and Deno interface to LMDB; probably the fastest and most efficient key-value/database interface that exists for storage and retrieval of structured JS data (objects, arrays, etc.) in a true persisted, scalable, ACID compliant database. It provides a simple interface for interacting with LMDB, as a key-value db, which makes it easy to fully leverage the power, crash-proof design, and efficiency of LMDB using intuitive JavaScript, and is designed to scale...
    Downloads: 1 This Week
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  • 21
    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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  • 22
    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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  • 23
    SurrealDB

    SurrealDB

    A scalable, distributed, collaborative, document-graph database

    With an SQL-style query language, real-time queries with highly-efficient related data retrieval, advanced security permissions for multi-tenant access, and support for performant analytical workloads, SurrealDB is the next generation serverless database. SurrealDB is the ultimate cloud database for tomorrow's applications. SurrealDB is an innovative NewSQL cloud database, suitable for serverless applications, jamstack applications, single-page applications, and traditional applications. It...
    Downloads: 2 This Week
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  • 24
    usql

    usql

    Universal command-line interface for SQL databases

    usql is a universal command-line interface for PostgreSQL, MySQL, Oracle Database, SQLite3, Microsoft SQL Server, and many other databases including NoSQL and non-relational databases! usql provides a simple way to work with SQL and NoSQL databases via a command-line inspired by PostgreSQL's psql. usql supports most of the core psql features, such as variables, backticks, and commands and has additional features that psql does not, such as syntax highlighting, context-based completion, and...
    Downloads: 2 This Week
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  • 25
    Dolt

    Dolt

    Dolt, it's Git for data

    Dolt is a SQL database that you can fork, clone, branch, merge, push and pull just like a git repository. Connect to Dolt just like any MySQL database to run queries or update the data using SQL commands. Use the command line interface to import CSV files, commit your changes, push them to a remote, or merge your teammate's changes. All the commands you know for Git work exactly the same for Dolt. Git versions files, Dolt versions tables. It's like Git and MySQL had a baby. We also built...
    Downloads: 3 This Week
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