Showing 262 open source projects for "data structure project in java"

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  • 1
    ArangoDB Java Driver

    ArangoDB Java Driver

    The official ArangoDB Java driver

    ArangoDB Java Driver is the official Java client for interacting with ArangoDB, a multi-model NoSQL database that supports document, key-value, and graph storage. This driver provides a high-level API for managing databases, executing AQL queries, and handling transactions efficiently.
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  • 2
    Spring Data Neo4j

    Spring Data Neo4j

    Provide support to increase developer productivity in Java

    Spring Data Neo4j, part of the larger Spring Data family, provides easy configuration and access to Neo4j Graph Databases from Spring applications. It offers three different levels of abstraction to access the store. The Neo4j client, the Neo4j Template, and the Neo4j Repositories. Spring Data Neo4j offers advanced features to map annotated entity classes to the Neo4j Graph Database. The template programming model is equivalent to other Spring templates and builds the basis for interaction...
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  • 3
    Skiplist-CPP

    Skiplist-CPP

    A tiny KV storage based on skiplist written in C++ language

    Skiplist-CPP is a lightweight key-value storage engine implemented in C++ using a skip list as its core data structure. It showcases how a log-structured, ordered index can deliver fast inserts, lookups, and deletes while remaining simple to implement and reason about. The project supplies a compact codebase with a clear separation between the skip list implementation and the storage operations that use it. Beyond in-memory operations, it demonstrates persistence through data dump to disk and reload, turning the structure into a tiny embeddable database. ...
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  • 4
    IoTDB

    IoTDB

    Apache IoTDB

    Apache IoTDB (Database for Internet of Things) is an IoT native database with high performance for data management and analysis, deployable on the edge and the cloud. Due to its light-weight architecture, high performance and rich feature set together with its deep integration with Apache Hadoop, Spark and Flink, Apache IoTDB can meet the requirements of massive data storage, high-speed data ingestion and complex data analysis in the IoT industrial fields. In the scene of factories, there...
    Downloads: 2 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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  • 5
    Canal

    Canal

    MySQL binlog

    Canal is an open-source project developed by Alibaba that simulates MySQL slave functionality to parse MySQL binlog files. It enables real-time data synchronization and change data capture (CDC) between MySQL and other systems such as Elasticsearch, Kafka, or HBase. Canal is widely used for data integration, replication, and monitoring across distributed systems, offering high performance and low-latency log parsing.
    Downloads: 1 This Week
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  • 6
    Apache Baremaps

    Apache Baremaps

    Create custom vector tiles from OpenStreetMap

    Baremaps is an Apache Incubator project that provides tools and a Java-based pipeline for building and rendering vector tiles from OpenStreetMap (OSM) data. It’s designed for fast map generation, serving tiles, and supporting real-time updates, making it a powerful backend for map-based applications.
    Downloads: 0 This Week
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  • 7
    ShardingSphere

    ShardingSphere

    Distributed database ecosphere

    Apache ShardingSphere is an open-source ecosystem consisted of a set of distributed database solutions, including 3 independent products, JDBC, Proxy & Sidecar (Planning). They all provide functions of data scale out, distributed transaction and distributed governance, applicable in a variety of situations such as Java isomorphism, heterogeneous language and cloud native. Apache ShardingSphere aiming at reasonably making full use of the computation and storage capacity of existed database in distributed system, rather than a totally new database. ...
    Downloads: 2 This Week
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  • 8
    Omi

    Omi

    Front end cross-frameworks framework

    Omi (pronounced /ˈomɪ/) is cross-frameworks framework base on Web Component, you can also use omio compatible IE8+ with the same grammar. One framework, Mobile & desktop & mini program. Simply download and include with <script>. Omi will be registered as a global variable. If you need to be compatible with IE8+, you can choose omio, which has almost the same API as omi, and Omi will be registered as a global variable. Omi provides the official CLI. You don't need to learn how to configure...
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  • 9
    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: 355 This Week
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    Free and Open Source HR Software

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  • 10
    CDC Connectors for Apache Flink

    CDC Connectors for Apache Flink

    CDC Connectors for Apache Flink

    This project provides a set of source connectors for Apache Flink® directly ingesting changes coming from different databases using Change Data Capture(CDC). CDC Connectors for Apache Flink® is a set of source connectors for Apache Flink®, ingesting changes from different databases using change data capture (CDC). CDC Connectors for Apache Flink® integrates Debezium as the engine to capture data changes. So it can fully leverage the ability of Debezium. Supports reading database snapshot and...
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  • 11
    The OpenHMS Project
    OpenHMS brands a collection of projects and many subprojects developed by Health Market Science. This is a robust collection of development libraries, APIs, and tools oriented around data manipulation and professional software development.
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  • 12
    SQuirreL SQL Client

    SQuirreL SQL Client

    A Java SQL client for any JDBC compliant database

    SQuirreL SQL Client is a graphical SQL client written in Java that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc.
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    Downloads: 1,024 This Week
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  • 13
    Java 2D & 3D visual entity relationship design & modeling (ERD,SQL) for Oracle,MSSQL,Postgres,MySQL,...,Database change&dictionary management, Swing Data Binding, Apache FOP Renderer for dot matrix printers,Sparx Enterprise Architect Reports + more
    Downloads: 0 This Week
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  • 14
    Hibernate

    Hibernate

    An object relational-mapping (ORM) library for Java

    Hibernate is an Object/Relational Mapper tool. It's very popular among Java applications and implements the Java Persistence API. Hibernate ORM enables developers to more easily write applications whose data outlives the application process. As an Object/Relational Mapping (ORM) framework, Hibernate is concerned with data persistence as it applies to relational databases (via JDBC).
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    Downloads: 275 This Week
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  • 15
    Jackcess
    A pure Java library for reading from and writing to MS Access databases.
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    Downloads: 63 This Week
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  • 16
    DAOMedge

    DAOMedge

    Psuedo DAO with generator

    Java Data Access Objects. A DAO system(ish). A simple to use DAO type library that transfers between database rows and POJO and vice versa. This code was written by a DBA whose approach isn't to persist java objects but to normalize the database and work from that side. The library and generator are fully documented. This comes with a simple scripting language language, called NotSQL, to make writing queries much easier.
    Downloads: 2 This Week
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  • 17
    DataNucleus

    DataNucleus

    Java persistence using JDO, JPA or REST

    DataNucleus provides Java data persistence to a range of datastores using JDO/JPA/REST APIs. *** Note that code development is no longer on SourceForge (code on SourceForge is for versions up to 3.3.5 only) ***
    Downloads: 0 This Week
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  • 18
    Depeche

    Depeche

    Java database mapper

    Depeche enables you to work with databases using data structures. It strives to be very simple and easy to use, avoiding both the tediousness of using JDBC directly and the heaviness of a full-blown ORM. It currently supports PostgreSQL, MySQL, H2, SQLite, MS SQL Server and FileMaker; support for other databases can be added easily. A simple ORM based on Depeche is also under development.
    Downloads: 0 This Week
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  • 19
    MiluDBViewer

    MiluDBViewer

    free DB GUI Tool

    Last Release: 2025/10/01 ver0.4.0_jdk25 ** Checked DB(MiluDBViewer0.4.0_jdk25)** Cassandra 4.1.4 MySQL 8.0.36 Oracle Database 23c Free PostgreSQL 14.11 SQLite 3.45.1 Microsoft SQLServer 2017 MongoDB 3.6.5 ** Checked DB(MiluDBViewer0.3.9_jdk21 )** Cassandra 3.9.0 MySQL 5.7.20/8.0.11 Oracle 12c Release2/11g Release2 PostgreSQL 10.4/10.1 SQLite 3.23.1 Microsoft SQLServer 2017 MongoDB 3.6.5 ** Availblable OS ** Windows, Linux,...
    Downloads: 0 This Week
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  • 20
    eXist-db

    eXist-db

    eXist-db is a feature rich Open Source native XML database

    eXist-db is a native XML database featuring efficient, index-based XQuery processing, extensions for keyword search, XUpdate support, XSLT support, XForms support, REST and tight integration with existing XML development tools. Moved to Github - https://www.github.com/exist-db/exist
    Downloads: 5 This Week
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  • 21
    Fafnir-DB

    Fafnir-DB

    Database file mapping names to records, implementing a file-system

    Fafnir-DB is a database file, addressing variable record data through textual names as identifiers, which applies heap organisation of its data space (based on the Moelnir-file project). Fafnir-DB also implements a rudimentary file system (within the file). This operation modus is optional. There are no data size limits other than the range of a 64-bit signed integer. Scalability is limited to 1 - 10 Mio. entries due to non-paging internal structures.
    Downloads: 0 This Week
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  • 22
    The Lemur Project

    The Lemur Project

    Search engine and data mining applications and ClueWeb datasets.

    The Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software, including the Indri search engine in C++, the Galago search engine research framework in Java, the RankLib learning to rank library, ClueWeb09 and ClueWeb12 datasets and the Sifaka data mining application.
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    Downloads: 6 This Week
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  • 23
    Xodus

    Xodus

    Transactional schema-less embedded database used by JetBrains

    JetBrains Xodus is a transactional schema-less embedded database that is written in Java and Kotlin. It was initially developed for JetBrains YouTrack, an issue tracking and project management tool. Xodus is also used in JetBrains Hub, the user management platform for JetBrains' team tools, and in some internal JetBrains projects. Xodus is highly concurrent. Reads are completely non-blocking due to MVCC and true snapshot isolation.
    Downloads: 0 This Week
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  • 24
    Apricot DB

    Apricot DB

    Database ERD- design tool with Reverse Engineering

    Design/Reverse Engineer/Generate Scripts/Compare Versions of all major databases with "Apricot DB" ERD- tool "Apricot DB" is a database tool for design and analysis of the relational database structure. It represents the DB- structure in the form of editable Entity/Relationship Diagrams (ERD). "Apricot DB" allows to perform reverse engineering on the existing database, as well as to create a new database structure from scratch. Allows to generate the essential DDL- scripts for...
    Downloads: 5 This Week
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  • 25

    ADaMSoft

    Open Source and data mining software

    ADaMSoft is a free and Open Source Data Mining software developed in Java. It contains data management methods and it can create ready to use reports. It can read data from several sources and it can write the results in different formats.
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    Downloads: 6 This Week
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