Java Apache

Open-source Java projects categorized as Apache

Top 16 Java Apache Projects

  • Apache ZooKeeper

    Apache ZooKeeper

    Project mention: Reddit System Design/Architecture | | 2023-03-19

    zookeeper: is (was?) used for secrets management. it was also used as a basic health check, but has been since been replaced.

  • seatunnel

    SeaTunnel is a distributed, high-performance data integration platform for the synchronization and transformation of massive data (offline & real-time).

    Project mention: SeaTunnel Zeta engine, the first choice for massive data synchronization, is officially released! | | 2023-01-05

    See the specific Change log:

  • Sonar

    Write Clean Java Code. Always.. Sonar helps you commit clean code every time. With over 600 unique rules to find Java bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.

  • groovy

    Apache Groovy: A powerful multi-faceted programming language for the JVM platform

    Project mention: How can I build a FL stack using Apache Groovy and Apache Wayang? | | 2023-01-18

    Install Groovy: To use Groovy, you'll need to first install it. You can find the installation instructions on the Groovy website (

  • Apache Hive

    Apache Hive

    Project mention: Apache Iceberg as storage for on-premise data store (cluster) | | 2023-03-16

    Trino or Hive for SQL querying. Get Trino/Hive to talk to Nessie.

  • iceberg

    Apache Iceberg

    Project mention: Lakehouse using AWS Athena on Iceberg Concerns | | 2023-05-28
  • Leetcode

    Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more. (by fishercoder1534)

    Project mention: 100+ Must Know Github Repositories For Any Programmer | | 2022-11-17

    9. Leet Code DSA

  • Apache Log4j 2

    Apache Log4j 2 is a versatile, feature-rich, efficient logging API and backend for Java.

    Project mention: The Unsung Heroes of Open Source: The Dedicated Maintainers Behind Lesser-Known Projects | | 2023-03-05

    ONLYOFFICE Docs — document collaboration in your environment. Powerful document editing and collaboration in your app or environment. Ultimate security, API and 30+ ready connectors, SaaS or on-premises

  • Apache Nutch

    Apache Nutch is an extensible and scalable web crawler

    Project mention: Distributed Web Crawler | | 2022-12-31
  • Apache Geode

    Apache Geode

    Project mention: Code in Database vs. Code in Application | | 2022-07-10

    On further searching GemFire has been open sourced as Apache Geode.

  • Apache ActiveMQ Artemis

    Mirror of Apache ActiveMQ Artemis

  • Apache Wicket

    Apache Wicket - Component-based Java web framework

    Project mention: We're breaking up with JavaScript front ends | | 2022-12-10

    Sort of sounds like Apache Wicket ( I used it for a few projects in the mid-late 2000s. I really liked it being server side and the concept of having object-oriented HTML (code paired with HTML snippets). I haven't had a need to use it since 2014, so haven't kept up with the project.

  • hop

    Hop Orchestration Platform

    Project mention: Does anyone use a no-code data transformation tool? | | 2023-05-01

    Have you checked out Apache Hop? It is a very powerful no-code open source ETL tool.

  • Apache Ant

    Apache Ant is a Java-based build tool. (by apache)

    Project mention: Want to Get Better at Java? Go Old School. | | 2023-01-18

    I will not suggest truly old-school Java programming. When I started in Java, we built Java classes with the javac command. This led to writing shell scripts to build complex projects and finally, Makefiles using the Unix and Windows commands make and nmake respectively. I remember being thrilled when the Ant utility came out and we had a pure Java build tool.

  • azure-event-hubs-for-kafka

    Azure Event Hubs for Apache Kafka Ecosystems

  • incubator-wayang

    Apache Wayang(incubating) is the first cross-platform data processing system.

    Project mention: Wayang can now support simple and basic SPJ queries for decoupled JDBC sources | | 2023-04-27
  • api-openai

    Aplicação Java para simples integração ao Chat GPT

    Project mention: Java Apache Http consuming OpenAI API in single Class | | 2023-04-14
  • InfluxDB

    Access the most powerful time series database as a service. Ingest, store, & analyze all types of time series data in a fully-managed, purpose-built database. Keep data forever with low-cost storage and superior data compression.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-05-28.

Java Apache related posts


What are some of the best open-source Apache projects in Java? This list will help you:

Project Stars
1 Apache ZooKeeper 11,311
2 seatunnel 5,331
3 groovy 4,865
4 Apache Hive 4,830
5 iceberg 4,309
6 Leetcode 3,569
7 Apache Log4j 2 3,095
8 Apache Nutch 2,589
9 Apache Geode 2,209
10 Apache ActiveMQ Artemis 859
11 Apache Wicket 686
12 hop 678
13 Apache Ant 371
14 azure-event-hubs-for-kafka 201
15 incubator-wayang 113
16 api-openai 2
Access the most powerful time series database as a service
Ingest, store, & analyze all types of time series data in a fully-managed, purpose-built database. Keep data forever with low-cost storage and superior data compression.