Showing 6289 open source projects for "java open source"

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    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.

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  • 1
    GreptimeDB

    GreptimeDB

    An open-source, cloud-native, unified time series database for metrics

    GreptimeDB treats all time series as contextual events with timestamps, and thus unifies the processing of metrics, logs, and events. It supports analyzing metrics, logs, and events with SQL, PromQL, and streaming with continuous aggregation. GreptimeDB is a time-series database optimized for storing and querying large amounts of time-series data, commonly used in monitoring and IoT applications.
    Downloads: 0 This Week
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  • 2
    FoundationDB

    FoundationDB

    Open source, distributed, transactional key-value store

    FoundationDB gives you the power of ACID transactions in a distributed database. FoundationDB is multi-model, meaning you can store many types data in a single database. All data is safely stored, distributed, and replicated in the Key-Value Store component. FoundationDB is easy to install, grow, and manage. It has a distributed architecture that gracefully scales out, and handles faults while acting like a single ACID database. FoundationDB provides amazing performance on commodity...
    Downloads: 0 This Week
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  • 3
    OceanBase

    OceanBase

    OceanBase is an enterprise distributed relational database

    OceanBase Database is a native distributed relational database. It is developed entirely by Ant Group. OceanBase Database is built on a common server cluster. Based on the Paxos protocol and its distributed structure, OceanBase Database provides high availability and linear scalability. OceanBase Database is not dependent on specific hardware architectures. Single server failure recovers automatically. OceanBase Database supports cross-city disaster tolerance for multiple IDCs and zero data...
    Downloads: 1 This Week
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  • 4
    Go MySQL Driver

    Go MySQL Driver

    MySQL driver for Go's (golang) database/sql package

    Lightweight and fast, native Go implementation. No C-bindings, just pure Go. Connections over TCP/IPv4, TCP/IPv6, Unix domain sockets or custom protocols. Automatic handling of broken connections, as well as automatic Connection Pooling (by database/sql package). Supports queries larger than 16MB. Full sql.RawBytes support. It provides intelligent LONG DATA handling in prepared statements. Secure LOAD DATA LOCAL INFILE support with file allowlisting and io.Reader support. Optional time.Time...
    Downloads: 2 This Week
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    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

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  • 5
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 183 This Week
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  • 6
    Keyv

    Keyv

    Simple key-value storage with support for multiple backends

    Keyv is a simple key-value storage system that supports multiple backends. It's designed to be a simple and consistent way to work with key-value stores.
    Downloads: 0 This Week
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  • 7
    Hydra Columnar

    Hydra Columnar

    Postgres-native columnar storage extension

    Hydra Columnar is an open-source columnar storage extension for PostgreSQL designed to deliver analytics performance on par with modern data warehouses. It integrates seamlessly with the PostgreSQL ecosystem, allowing users to benefit from columnar compression, vectorized execution, and late materialization without leaving their existing database setup. Hydra enables hybrid row-column storage, making it ideal for OLAP workloads on Postgres.
    Downloads: 0 This Week
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  • 8
    Mathesar

    Mathesar

    An intuitive spreadsheet-like interface

    Mathesar is an open-source platform designed to make databases accessible to non-technical users. It offers an intuitive spreadsheet-like interface on top of PostgreSQL, allowing users to create, edit, and analyze structured data without writing SQL. Built with user experience in mind, Mathesar empowers teams to collaborate on data-driven workflows while retaining the power of a real relational database.
    Downloads: 0 This Week
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  • 9
    KubeBlocks

    KubeBlocks

    KubeBlocks is an open-source control plane that runs and manages datab

    ...However, the most prominent obstacles are the difficulties of integrating with cloud providers, the lack of reliable operators, and the steep learning curve of K8s. KubeBlocks offers an open-source option that helps application developers and platform engineers set up feature-rich services for RDBMS, NoSQL, streaming and analytical systems. No need to be a K8s professional, anyone can set up a full-stack, production-ready data infrastructure in minutes. KubeBlocks extends K8s StatefulSet capability with ReplicationSet and ConsensusSet workloads. ...
    Downloads: 0 This Week
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    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
    DevUI for Angular

    DevUI for Angular

    Angular UI Component Library based on DevUI Design

    The DevUI Design Design system contains a combination of DevUI rules, Design languages, and best practices. DevUI Design allows developers to focus more on application logic, while designers focus on user experience, interactions, and processes. Open source front-end solutions for enterprise mid- and back-office products. DevUI is an open-source front-end solution for middle and back-end products of enterprises. Its design values ​​are based on the three concepts of "simplicity", "immersion" and "flexibility" combining nature and humanity, aiming to provide a standard for designers and front-end developers It is an enterprise-level out-of-the-box product that meets various landing scenarios. ...
    Downloads: 0 This Week
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  • 11
    HammerDB

    HammerDB

    HammerDB Database Load Testing and Benchmarking Tool

    HammerDB is a leading benchmarking and load testing tool for relational databases like PostgreSQL, Oracle, SQL Server, and MySQL. It implements industry-standard workloads such as TPC-C and TPC-H to simulate real-world transactional and analytical database performance. HammerDB is widely used by DBAs and performance engineers to evaluate hardware, configurations, and scaling.
    Downloads: 0 This Week
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  • 12
    node-mssql

    node-mssql

    Microsoft SQL Server client for Node.js

    node-mssql is a Microsoft SQL Server client for Node.js, providing a robust and feature-rich interface for connecting to and interacting with SQL Server databases.
    Downloads: 0 This Week
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  • 13
    Skeema

    Skeema

    Declarative pure-SQL schema management for MySQL and MariaDB

    Skeema is a schema management and version control tool for MySQL and MariaDB databases. It helps developers manage database schemas in a Git-like workflow, supporting collaboration and versioning.
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  • 14
    Laravel Options

    Laravel Options

    Global key-value store in the database

    Global key-value store in the database. To get started with options, use Composer to add the package to your project's dependencies. Run PHP artisan migrate to migrate the table. There will now be an options table in your database.
    Downloads: 0 This Week
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  • 15
    Medoo

    Medoo

    The lightweight PHP database framework to accelerate the development

    Medoo is an open-source project under MIT license and will always be free to use. A lightweight PHP database framework to accelerate development. Supports MySQL, MSSQL, SQLite, MariaDB, PostgreSQL, Sybase, Oracle, and more. Supports various common and complex SQL queries, data mapping, and prevents SQL injection. Works well with every PHP framework, like Laravel, Yii, Slim, and framework which supports singleton extension or composer.
    Downloads: 0 This Week
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  • 16
    pREST

    pREST

    PostgreSQL REST, low-code, simplify and accelerate development

    pREST (PostgreSQL REST), simplify and accelerate development, instant, realtime, high-performance on any Postgres application, existing or new. There is PostgREST written in Haskell, but keeping Haskell software in production is not an easy job. With this need pREST was born. Instant, realtime, high-performance on any Postgres application, existing or new. Add the JWT Authentication Middleware to implement authentication using JSON Web Token. This middleware will process the authorization...
    Downloads: 1 This Week
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  • 17
    SQLPad

    SQLPad

    Web-based SQL editor run in your own private cloud

    A web app for writing and running SQL queries and visualizing the results. Supports Postgres, MySQL, SQL Server, ClickHouse, Crate, Vertica, Trino, Presto, SAP HANA, Cassandra, Snowflake, Google BigQuery, SQLite, TiDB, and many more via ODBC. The docker image runs on port 3000 and uses /var/lib/sqlpad for the embedded database directory. latest tag is continuously built from latest commit in repo. Only use that if you want to live on the edge, otherwise use specific version tags to ensure...
    Downloads: 1 This Week
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  • 18
    Citus

    Citus

    Distributed PostgreSQL as an extension

    Citus is a PostgreSQL extension that transforms Postgres into a distributed database, so you can achieve high performance at any scale. With Citus, you extend your PostgreSQL database with new superpowers. Distributed tables are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage and I/O capacity. References tables are replicated to all nodes for joins and foreign keys from distributed tables and maximum read performance. Distributed query engine routes and...
    Downloads: 1 This Week
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  • 19
    PLpgSQL Check

    PLpgSQL Check

    plpgsql_check is a linter tool (does source code static analyze)

    plpgsql_check is a PostgreSQL extension for static analysis and runtime checking of PL/pgSQL functions. It helps developers catch bugs early by analyzing code structure, variable usage, and SQL correctness before execution. The extension is ideal for improving code quality in large Postgres-based applications.
    Downloads: 0 This Week
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  • 20
    PyMongo

    PyMongo

    PyMongo - the Official MongoDB Python driver

    The PyMongo distribution contains tools for interacting with MongoDB database from Python. The bson package is an implementation of the BSON format for Python. The pymongo package is a native Python driver for MongoDB. The gridfs package is a gridfs implementation on top of pymongo.
    Downloads: 0 This Week
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  • 21
    Lada Cache

    Lada Cache

    A Redis based, fully automated and scalable database cache layer

    A Redis-based, fully automated, and scalable database cache layer for Laravel.
    Downloads: 0 This Week
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  • 22
    pgzx

    pgzx

    Create PostgreSQL extensions using Zig.

    pgzx is a PostgreSQL CLI tool built in Zig for faster, modern command-line interaction with PostgreSQL databases. It aims to be a faster and safer alternative to psql, with a clean interface and additional productivity features. pgzx is a promising experimental tool for developers who frequently work with Postgres via the terminal.
    Downloads: 0 This Week
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  • 23
    Evil Seed

    Evil Seed

    A Gem for creating partial anonymized dumps of your database

    Evil Seed is a Ruby tool for seeding databases with realistic, localized, and structured test data. It integrates with Rails and uses Faker, but allows more advanced customization like data relationships and repeatable sequences. It’s ideal for developers who need high-quality sample data for testing or demos.
    Downloads: 0 This Week
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  • 24
    Enferno

    Enferno

    Modern Flask framework optimized for AI-assisted development

    Enferno is a framework for building developer-first cloud backends using PostgreSQL and TypeScript. It offers primitives for defining data models, APIs, and access rules directly in code, enabling quick iteration and deployment. Enferno is designed to accelerate SaaS and internal tool development by combining the benefits of traditional backends with developer ergonomics.
    Downloads: 0 This Week
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  • 25
    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: 0 This Week
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