Showing 7788 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
    Takeout

    Takeout

    Docker-based development-only dependency manager

    Developed by Tighten, Takeout is a CLI tool that simplifies the management of development environment dependencies using Docker containers. It allows developers to quickly spin up and manage isolated services, such as databases and caching servers, facilitating a streamlined and consistent development setup across macOS, Linux, and WSL2 systems.
    Downloads: 1 This Week
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  • 2
    mysqlclient

    mysqlclient

    MySQL/MariaDB connector for Python

    Summary: mysqlclient is a MySQL/MariaDB connector for Python, providing a convenient interface for database interactions.
    Downloads: 1 This Week
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  • 3
    Prequel

    Prequel

    Prequel for Laravel. Clear and concise database management

    ...Prequel's design is purposefully based on that of Laravel Telescope because (web-)developers today have enough to learn and master already, so let's help each other out and make sure to not add anything virtually useless to that huge pile of knowledge. You can help by contributing to the code or donating using the button below! Both are highly appreciated and contribute directly to keeping open-source free and sustainable!
    Downloads: 2 This Week
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  • 4
    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: 3 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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  • 5
    RAG API

    RAG API

    ID-based RAG FastAPI: Integration with Langchain and PostgreSQL

    rag_api is an open-source REST API for building Retrieval-Augmented Generation (RAG) systems using LLMs like GPT. It lets users index documents, search semantically, and retrieve relevant content for use in generative AI workflows. Designed for rapid prototyping, it is ideal for chatbot development, document assistants, and knowledge-based LLM apps.
    Downloads: 1 This Week
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  • 6
    MongoDB C Driver

    MongoDB C Driver

    The Official MongoDB driver for C language

    The MongoDB C Driver is the official client library for MongoDB, enabling C and C++ applications to interact with MongoDB databases efficiently. It provides a robust and scalable interface for building applications that require document-based data storage.
    Downloads: 1 This Week
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  • 7
    KuzuDB

    KuzuDB

    Embeddable property graph database management system

    KuzuDB is a high-performance graph database optimized for analytical queries, built from the ground up with a columnar storage engine. It is designed to efficiently process large-scale graph workloads, making it ideal for data science, machine learning, and knowledge graph applications.
    Downloads: 1 This Week
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  • 8
    pspg

    pspg

    Unix pager (with rich functionality) designed for work with tables

    pspg is a Unix pager designed for working with tabular data, particularly from PostgreSQL, but also supports other databases like MySQL.
    Downloads: 1 This Week
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  • 9
    Entity Framework 6

    Entity Framework 6

    This is the codebase for Entity Framework 6

    Entity Framework 6 (EF6) is a proven object-relational (O/RM) mapper for .NET with many years of feature development and stabilization. Like O/RM, EF6 reduces the impedance mismatch between the relational and object-oriented worlds, allowing developers to write applications that interact with data stored in relational databases with strongly typed .NET objects that represent the domain of the database. application, and eliminate the need for much of the data access "mechanical" code that you...
    Downloads: 4 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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  • 10
    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: 3 This Week
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  • 11
    TURF

    TURF

    A modular geospatial engine written in JavaScript

    Turf is a JavaScript library for spatial analysis. It includes traditional spatial operations, helper functions for creating GeoJSON data, and data classification and statistics tools. Turf can be added to your website as a client-side plugin, or you can run Turf server-side with Node.js. Modular, simple-to-understand JavaScript functions that speak GeoJSON. Turf is a collection of small modules, you only need to take what you want to use. Takes advantage of the newest algorithms and doesn't...
    Downloads: 4 This Week
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  • 12
    ArangoDB-Community/pyArango

    ArangoDB-Community/pyArango

    Python Driver for ArangoDB with built-in validation

    PyArango is a Python driver for ArangoDB, a multi-model NoSQL database. It provides a Pythonic way to interact with ArangoDB, allowing developers to manage collections, execute AQL queries, and integrate ArangoDB's document, graph, and key-value storage models into Python applications.
    Downloads: 2 This Week
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  • 13
    ArangoDB JavaScript Driver

    ArangoDB JavaScript Driver

    The official ArangoDB JavaScript driver

    ArangoJS is the official JavaScript client for ArangoDB, a multi-model NoSQL database that supports document, key-value, and graph data models. This client provides a powerful yet simple API to interact with ArangoDB from Node.js or browser-based applications.
    Downloads: 1 This Week
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  • 14
    Dokploy

    Dokploy

    Open Source Alternative to Vercel, Netlify and Heroku

    Streamline your operations with our all-in-one platform, perfect for managing projects, data, and system health with simplicity and efficiency. Simplify your project and data management, ensure robust monitoring, and secure your backups—all without the fuss over minute details. Elevate your infrastructure with tools that offer precise control, detailed monitoring, and enhanced security, ensuring seamless management and robust performance. Streamline your deployments with our PaaS....
    Downloads: 1 This Week
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  • 15
    TanStack DB

    TanStack DB

    A reactive client store for building super fast apps

    TanStack DB (beta) is a lightweight, embedded database-like library designed to manage structured data directly in client or server-side JavaScript environments, offering stateful data stores that work seamlessly with the TanStack ecosystem. Blazing‑fast query engine for sub‑millisecond live queries, joins & aggregates. Fine‑grained reactivity to minimize component re‑rendering. Robust transaction primitives for optimistic mutations with sync & lifecycle support. Normalized data model that...
    Downloads: 2 This Week
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  • 16
    Ora2Pg

    Ora2Pg

    Ora2Pg is a free tool used to migrate an Oracle database

    ora2pg is an open-source tool used to migrate Oracle databases to PostgreSQL. It connects to an Oracle database, extracts schema and data, and generates SQL-compatible output for PostgreSQL. It supports complex migration scenarios, including stored procedures, triggers, data types, and performance optimization, making it ideal for enterprises transitioning away from Oracle systems.
    Downloads: 1 This Week
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  • 17
    Neon Database

    Neon Database

    Neon: Serverless Postgres. We separated storage and compute

    The database you love, on a serverless platform designed to help you build reliable and scalable applications faster. Focus on building applications with time and money-saving features like instant provisioning, autoscaling according to load, and scale to zero. Instantly branch your data and schema to access isolated DB copies for development, CI/CD, and schema migrations with copy-on-write storage. Integrate it into your language or framework within minutes and unlock a simpler developer...
    Downloads: 2 This Week
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  • 18
    marko

    marko

    A declarative, HTML-based language that makes building web apps fun

    A declarative, HTML-based language that makes building web apps fun. If you know HTML, CSS, and Javascript, you know Marko. Streaming, partial hydration, an optimizing compiler, & a small runtime. Start with simple HTML templates and add powerful components as needed. Marko is powering high-traffic websites like ebay.com. Marko is HTML re-imagined as a language for building dynamic and reactive user interfaces. Just about any valid HTML is valid Marko, but Marko extends the HTML language to...
    Downloads: 3 This Week
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  • 19
    goose

    goose

    A database migration tool. Supports SQL migrations and Go functions

    goose is a database migration tool. Manage your database schema by creating incremental SQL changes or Go functions. Starting with v3.0.0 this project adds Go module support, but maintains backwards compatibility with older v2.x.y tags. Goose supports embedding SQL migrations, which means you'll need go1.16 and up. If using go1.15 or lower, then pin v3.0.1. We use timestamped migrations by default but recommend a hybrid approach of using timestamps in the development process and sequential...
    Downloads: 3 This Week
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  • 20
    pg_timetable

    pg_timetable

    pg_timetable: Advanced scheduling for PostgreSQL

    pg_timetable is a flexible job scheduler for PostgreSQL that allows scheduling of SQL or shell tasks directly within the database. It supports complex workflows, error handling, and dependency management, making it a powerful alternative to cron or external schedulers for database-related jobs.
    Downloads: 1 This Week
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  • 21
    pgsync

    pgsync

    Postgres to Elasticsearch/OpenSearch sync

    pgsync is a lightweight tool for syncing Postgres databases across environments, such as from production to staging. It allows selective table syncing, data masking, and parallel copying for fast and safe data migration. pgsync is ideal for developers who need realistic test data without exposing sensitive information.
    Downloads: 1 This Week
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  • 22
    Genji

    Genji

    Document-oriented, embedded SQL database

    Genji is an embedded database written in Go that aims to simplify dealing with data in the modern world. It combines the power of SQL with the versatility of documents to provide a maximum of flexibility with no compromise. Run powerful queries on rich documents with an expressive SQL syntax. Create tables with strict schemas, partial schemas, or no schemas at all to control your data the way you want it. Fully serializable transactions, in-memory mode, memory usage control, and more. Genji...
    Downloads: 2 This Week
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  • 23
    rust-rocksdb

    rust-rocksdb

    Rust wrapper for rocksdb

    Binding is statically linked with a specific version of RocksDB. If you want to build it yourself, make sure you've also cloned the RocksDB and compression submodules. By default, support for the Snappy, LZ4, Zstd, Zlib, and Bzip2 compression is enabled through crate features. If support for all of these compression algorithms is not needed, default features can be disabled and specific compression algorithms can be enabled. The underlying RocksDB does allow column families to be created and...
    Downloads: 2 This Week
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  • 24
    spicedb

    spicedb

    Open Source, Google Zanzibar-inspired permissions database

    ...As of 2021, broken access control became the #1 threat to the web. With SpiceDB, developers finally have the solution to stopping this threat the same way as the hyperscalers. Open Source, Google Zanzibar-inspired permissions database to enable fine-grained access control for customer applications. Building modern authorization from scratch is non-trivial and requires years of development from domain experts. Until SpiceDB, the only developers with access to these workflows were employed by massive tech companies that could invest in building mature, but proprietary solutions. ...
    Downloads: 1 This Week
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  • 25
    Azure Data Studio

    Azure Data Studio

    A data management tool that enables working with other SQL tools

    Azure Data Studio is a cross-platform database tool for data professionals who use on-premises and cloud data platforms on Windows, macOS, and Linux. Azure Data Studio offers a modern editor experience with IntelliSense, code snippets, source control integration, and an integrated terminal. It's engineered with the data platform user in mind, with the built-in charting of query result sets and customizable dashboards. Use Azure Data Studio to query, design, and manage your databases and data...
    Downloads: 2 This Week
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