Ghidra is a software reverse engineering (SRE) framework
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 100k
- Latest
- Ghidra_12.2_build
- Last push
- 2026-11-10
Java
Tools whose repository GitHub reports as mostly Java.
171 tools
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 82k
- Latest
- v4.1.2
- Last push
- 2026-11-12
Free and Open Source, Distributed, RESTful Search Engine
Termux - a terminal emulator application for Android OS extendible by variety of packages.
Free universal database tool and SQL client
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 52k
- Latest
- 26.2.4
- Last push
- 2026-11-11
A libre lightweight streaming front-end for Android.
Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。
Open Source Identity and Access Management For Modern Applications and Services
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 38k
- Latest
- 26.8.2
- Last push
- 2026-11-12
Browse media content with your own rules on Android TV
A browser automation framework and ecosystem.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 35k
- Latest
- selenium-4.52.0
- Last push
- 2026-11-12
Apache Kafka - A distributed event streaming platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 34k
- Latest
- 4.4.0
- Last push
- 2026-11-12
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 32k
- Latest
- v3.33.0
- Last push
- 2026-11-11
A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）
Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 30k
- Latest
- v2.0.9
- Last push
- 2026-11-12
阿里巴巴 MySQL binlog 增量订阅&消费组件
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 30k
- Latest
- canal-1.1.8
- Last push
- 2026-07-30
Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.
Jenkins automation server
- Language
- Java
- Licence
- MIT
- Stars
- 27k
- Latest
- jenkins-2.590
- Last push
- 2026-11-11
Apache Flink
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 26k
- Latest
- release-2.3.0
- Last push
- 2026-11-12
a fast, scalable, multi-language and extensible build system
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 26k
- Latest
- 9.3.2
- Last push
- 2026-11-12
APM, Application Performance Monitoring System
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 25k
- Latest
- v11.1.0
- Last push
- 2026-11-11
🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 23k
- Latest
- rocketmq-all-5.5.1
- Last push
- 2026-11-10
Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 21k
- Latest
- 5.5.3
- Last push
- 2026-11-12
IntelliJ IDEA & IntelliJ Platform
- Language
- Java
- Licence
- Other
- Stars
- 21k
- Latest
- pycharm/2026.3
- Last push
- 2026-11-12
QuestDB is a high performance, open-source, time-series database
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 18k
- Latest
- 10.2.0
- Last push
- 2026-11-12
Zipkin is a distributed tracing system
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 17k
- Latest
- 3.6.1
- Last push
- 2026-08-06
Graphs for Everyone
- Language
- Java
- Licence
- GPL-3.0
- Stars
- 17k
- Latest
- 3.2.0-alpha08
- Last push
- 2026-11-06
DataX是阿里云DataWorks数据集成的开源版本。
- Language
- Java
- Licence
- Other
- Stars
- 17k
- Latest
- datax_v202309
- Last push
- 2026-07-07
The official home of the Presto distributed SQL query engine for big data
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 17k
- Latest
- 0.300
- Last push
- 2026-11-11
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
Apache Doris is a real-time analytics and hybrid search database for AI agents.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 16k
- Latest
- 4.1.5-release
- Last push
- 2026-11-12
The ZAP by Checkmarx Core project
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 16k
- Latest
- v2.17.0
- Last push
- 2026-11-11
Quarkus: Supersonic Subatomic Java.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 16k
- Latest
- 3.40.1.2
- Last push
- 2026-11-11
Apache Hadoop
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 16k
- Latest
- rel/release-3.5.0
- Last push
- 2026-11-11
Apache Pulsar - distributed pub-sub messaging system
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 15k
- Latest
- v5.0.1
- Last push
- 2026-11-12
The Unified and Autonomous Development Platform
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
Style and Grammar Checker for 25+ Languages
Logstash - transport and process your logs, events, or other data
Vert.x is a tool-kit for building reactive applications on the JVM
Access your entire server infrastructure from your local desktop
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 15k
- Latest
- 24.10
- Last push
- 2026-11-11
Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 15k
- Latest
- 3.4.3
- Last push
- 2026-11-11
🏗 Build container images for your Java applications.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- v3.5.4-gradle
- Last push
- 2026-11-03
Apache Druid: a high performance real-time analytics database.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- druid-38.0.0
- Last push
- 2026-11-12
🔎 Open source distributed and RESTful search engine.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- 3.9.0
- Last push
- 2026-11-12
No clever tagline needed.
- Language
- Java
- Licence
- Other
- Stars
- 14k
- Latest
- 1.2.0.1884
- Last push
- 2026-11-12
APM, (Application Performance Management) tool for large-scale distributed systems.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- v4.0.1
- Last push
- 2026-11-12
A free, secure and open source app for Android to manage your 2-step verification tokens.
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- 484
- Last push
- 2026-11-12
Generate diagrams from textual description
Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 13k
- Latest
- v3.7.1.Final
- Last push
- 2026-11-11
Apache ZooKeeper
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 13k
- Latest
- release-3.9.7
- Last push
- 2026-11-10
The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 12k
- Latest
- 4.1.7
- Last push
- 2026-11-12
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 11k
- Latest
- v8.0.3
- Last push
- 2026-11-12
Continuous Inspection
- Language
- Java
- Licence
- LGPL-3.0
- Stars
- 11k
- Latest
- 26.11.0.134175
- Last push
- 2026-11-11
Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 11k
- Latest
- 1.7.5-rc3
- Last push
- 2026-11-12
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
- Language
- Java
- Licence
- AGPL-3.0
- Stars
- 11k
- Latest
- v20261104.0.0
- Last push
- 2026-11-04
Flyway by Redgate • Database Migrations Made Easy.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 10k
- Latest
- flyway-13.12.1
- Last push
- 2026-11-05
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 10k
- Latest
- cassandra-5.0.9
- Last push
- 2026-11-11
Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 9.8k
- Last push
- 2026-11-12
SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 9.8k
- Latest
- v3.0.0
- Last push
- 2026-11-11
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
- Language
- Java
- Licence
- LGPL-2.1
- Stars
- 9.6k
- Latest
- checkstyle-14.4.0
- Last push
- 2026-11-12
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 9.6k
- Latest
- rel/v5.6.3
- Last push
- 2026-11-05
Apache Iceberg
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 9.4k
- Latest
- apache-iceberg-1.12.0
- Last push
- 2026-11-12
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 8.9k
- Latest
- v2.7.2
- Last push
- 2026-11-12
Apache Beam is a unified programming model for Batch and Streaming data processing.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 8.7k
- Latest
- v2.77.0
- Last push
- 2026-11-12
Pentaho Data Integration ( ETL ) a.k.a Kettle
- Language
- Java
- Licence
- Other
- Stars
- 8.4k
- Latest
- 5.2.0.2-C-185-R
- Last push
- 2026-11-12
A podcast manager for Android
Free and open log management
Open source GPS tracking platform - self-hosted or managed, 200+ device protocols
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 8.1k
- Latest
- v6.17.0
- Last push
- 2026-11-12
Enterprise job scheduling middleware with distributed computing ability.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.8k
- Latest
- v5.1.7
- Last push
- 2026-10-01
OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.8k
- Latest
- v13.0.0
- Last push
- 2026-11-11
An AI-powered next-generation open source real-time observability system.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.5k
- Latest
- v1.9.0
- Last push
- 2026-11-11
GoCD - Continuous Delivery server main repository
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.4k
- Latest
- 26.1.0
- Last push
- 2026-11-10
A tool for mocking HTTP services
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.4k
- Latest
- 3.13.2
- Last push
- 2026-11-12
The AI search platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.2k
- Latest
- v8.781.11
- Last push
- 2026-11-12
Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.8k
- Latest
- 11.1
- Last push
- 2026-11-12
Apache Storm
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.7k
- Latest
- v3.2.0
- Last push
- 2026-11-11
Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.7k
- Latest
- v0.12.1
- Last push
- 2026-11-12
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Apache IoTDB
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.4k
- Latest
- v2.0.11
- Last push
- 2026-11-12
Upserts, Deletes And Incremental Processing on Big Data.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.4k
- Latest
- release-1.2.1
- Last push
- 2026-11-12
Apache NiFi
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.3k
- Latest
- rel/nifi-2.12.0
- Last push
- 2026-11-12
Reformats Java source code to comply with Google Java Style.
Apache Pinot: a real-time analytics database for low-latency SQL and vector search, serving user-facing and agent-facing applications
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.2k
- Latest
- release-1.6.0
- Last push
- 2026-11-11
Kafka Web UI
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6.2k
- Latest
- 4.3.1
- Last push
- 2026-11-10
OsmAnd
Apache Kafka® running on Kubernetes
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 6k
- Latest
- 1.3.1
- Last push
- 2026-11-11
JanusGraph: an open-source, distributed graph database
Open-Source Subscription Billing & Payments Platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 5.9k
- Latest
- killbill-0.24.22
- Last push
- 2026-11-12
Main Liquibase Source
Apache HBase
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 5.6k
- Latest
- rel/3.0.0
- Last push
- 2026-11-12
An extensible multilanguage static code analyzer.
- Language
- Java
- Licence
- Other
- Stars
- 5.5k
- Latest
- pmd_releases/7.29.0
- Last push
- 2026-11-11
Apache Maven core
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 5.4k
- Latest
- maven-3.10.0
- Last push
- 2026-11-12
RStudio is an integrated development environment (IDE) for R
- Language
- Java
- Licence
- Other
- Stars
- 5.1k
- Latest
- v2026.10.1+239
- Last push
- 2026-11-11
OpenGrok is a fast and usable source code search and cross reference engine, written in Java
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 5k
- Latest
- mockserver-9.2.0
- Last push
- 2026-11-12
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 5k
- Latest
- 3.2.58
- Last push
- 2026-11-09
Desktop app for managing BibTeX and BibLaTeX (.bib) libraries
Fully featured, open source, privacy friendly email app for Android
Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, transcoding & scaling
- Language
- Java
- Licence
- Other
- Stars
- 4.7k
- Latest
- ams-v3.1.0
- Last push
- 2026-11-12
H2 is an embeddable RDBMS written in Java.
- Language
- Java
- Licence
- Other
- Stars
- 4.6k
- Latest
- version-2.5.252
- Last push
- 2026-11-10
Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.
- Language
- Java
- Licence
- GPL-2.0
- Stars
- 4.5k
- Latest
- release-1.13.5
- Last push
- 2026-11-11
Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 4.4k
- Latest
- 5.2.1
- Last push
- 2026-11-11
Track and evaluate the performance of your investment portfolio across stocks, cryptocurrencies, and other assets.
SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.9k
- Latest
- 0.28.0
- Last push
- 2026-11-10
Maestro: Netflix’s Workflow Orchestrator
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.9k
- Last push
- 2026-11-06
Apache Kylin
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.8k
- Latest
- kylin-5.0.2
- Last push
- 2026-11-11
Google Reader inspired self-hosted personal RSS reader.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.6k
- Latest
- 7.4.1
- Last push
- 2026-11-12
Apache Lucene open-source search software
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.6k
- Latest
- releases/lucene/10.6.0
- Last push
- 2026-11-11
Open, Multi-modal Catalog for Data & AI
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.6k
- Latest
- v0.7.0
- Last push
- 2026-11-12
Bastillion gives you a clean, browser-based way to manage SSH access across all your systems—like a bastion host with a friendly dashboard.
Lightning fast, open-source, < 250kb Android launcher
Apache Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.4k
- Latest
- release-2.1.0
- Last push
- 2026-11-12
World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.4k
- Latest
- v1.3.1
- Last push
- 2026-11-12
26.2 Lightweight Minecraft server
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.3k
- Latest
- 2026.10.07-26.2
- Last push
- 2026-11-08
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.2k
- Latest
- 1.7.0
- Last push
- 2026-11-08
an open source geocoder for openstreetmap data
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.2k
- Latest
- 1.3.0
- Last push
- 2026-11-09
Apache NetBeans
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.2k
- Latest
- 31
- Last push
- 2026-11-10
Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.1k
- Latest
- 4.23.0.0
- Last push
- 2026-11-11
An XMPP server licensed under the Open Source Apache License.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.1k
- Latest
- v5.1.2
- Last push
- 2026-11-11
A professional video compression tool accessible to all, mostly based on FFmpeg.
TrackerControl Android: monitor and control trackers and ads.
- Language
- Java
- Licence
- GPL-3.0
- Stars
- 2.7k
- Latest
- 2026110101
- Last push
- 2026-11-09
Reitti is a comprehensive personal location tracking and analysis application that helps you understand your movement patterns and significant places. The name "Reitti" comes from Finnish, meaning "route" or "path".
Sonatype Nexus Repository Open-source codebase mirror
- Language
- Java
- Licence
- EPL-1.0
- Stars
- 2.7k
- Latest
- release-3.98.1-01
- Last push
- 2026-11-05
A DLNA, UPnP and HTTP(S) Media Server.
We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.
Apache ActiveMQ
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 2.5k
- Latest
- activemq-6.4.0
- Last push
- 2026-11-12
Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.
Collect, aggregate, and visualize a data ecosystem's metadata
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 2.3k
- Latest
- 0.50.0
- Last push
- 2026-11-11
Apache Atlas - Open Metadata Management and Governance capabilities across the Hadoop platform and beyond
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 2.2k
- Latest
- release-2.5.0
- Last push
- 2026-10-30
Neo-Launcher
Apache Polaris, the interoperable, open source catalog for Apache Iceberg
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 2.1k
- Latest
- apache-polaris-1.8.0
- Last push
- 2026-11-12
Official Android app for Mastodon
A fast, customizable and compatible open source server for Minecraft: Java Edition
Decentralized private messenger with chat-shared tools and games for Android
Apache Solr open-source search software
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.7k
- Latest
- releases/solr/10.1.0
- Last push
- 2026-11-12
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.7k
- Latest
- v2.0.6
- Last push
- 2026-11-03
Open source guitar tablature editor
alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups
- Language
- Java
- Licence
- GPL-3.0
- Stars
- 1.6k
- Latest
- 2.0-M5-2609
- Last push
- 2026-11-08
Hop Orchestration Platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.5k
- Latest
- 2.20.0-rc1
- Last push
- 2026-11-11
BookLore: A self-hosted, multi-user digital library with smart shelves, auto metadata, Kobo & KOReader sync, BookDrop imports, OPDS support, and a built-in reader for EPUB, PDF, and comics.
The XWiki platform
- Language
- Java
- Licence
- LGPL-2.1
- Stars
- 1.3k
- Latest
- xwiki-platform-17.10.15
- Last push
- 2026-11-11
ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.3k
- Latest
- 26.11.1
- Last push
- 2026-11-12
Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.2k
- Latest
- 2026.5
- Last push
- 2026-11-10
Apache Accumulo
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.2k
- Latest
- rel/3.0.0
- Last push
- 2026-11-10
Enterprise-Grade Open-Source Network Management Platform
- Language
- Java
- Licence
- Other
- Stars
- 1.2k
- Latest
- opennms-36.0.6-1
- Last push
- 2026-11-12
Core framework of openHAB
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.1k
- Latest
- release24.09.08
- Last push
- 2026-11-12
Official GanttProject repository.
- Language
- Java
- Licence
- GPL-3.0
- Stars
- 1.1k
- Latest
- ganttproject-3.3.3323
- Last push
- 2026-11-11
Apache Artemis
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.1k
- Latest
- 2.57.0
- Last push
- 2026-11-12
Emails at the heart of your business logic!
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.1k
- Latest
- james-project-3.9.1
- Last push
- 2026-11-12
Welcome to the WSO2 API Manager source code! For info on working with the WSO2 API Manager repository and contributing code, click the link below.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1k
- Latest
- v4.7.0
- Last push
- 2026-11-10
Open source IaC Automation and Collaboration Software.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 998
- Latest
- 2.34.1
- Last push
- 2026-11-11
The Axelor Open Suite based on Axelor Open Platform
EJBCA® – Open-source public key infrastructure (PKI) and certificate authority (CA) software.
The Stack Overflow clone for your team (self-hosted or hosted)
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 922
- Latest
- 1.70.2
- Last push
- 2026-11-11
ADempiere Business Suite ERP/CRM/MFG/SCM/POS done the Bazaar way in an open and unabated fashion. Focus is on the Community that includes Subject Matter Specialists, Implementors and End-Users.
Binary Artifact Management Tool
Mirror of Apache Openmeetings
iDempiere. Community Powered Enterprise. Full Open Source Business Suite ERP/CRM/MFG/SCM/POS
The Janssen Project is a home for open source IAM components, featuring Auth Server (OAuth/OpenID), Agama low-code identity orchestration, and the Cedarling policy decision point. The "Janssen Server" distributions bundle IAM components under one control plane.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 657
- Latest
- v2.6.1
- Last push
- 2026-11-12
Open-source systems management and configuration platform
- Language
- Java
- Licence
- GPL-2.0
- Stars
- 601
- Latest
- server-image-5.3.4
- Last push
- 2026-11-12
Mobile Device Management System for Android: web control panel. Manage Android devices, install and update apps, get device info. See website for more features!
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 570
- Latest
- v5.41.4
- Last push
- 2026-11-06
The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key archival, OCSP and smartcard management.
Gravitee.io - OpenSource API Management
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 470
- Latest
- 4.13.3
- Last push
- 2026-11-12
Listen to your users during product development with ClearFlask
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 451
- Latest
- 2.7.2
- Last push
- 2026-10-31
The database purpose-built for stream processing applications.
- Language
- Java
- Licence
- Other
- Stars
- 316
- Latest
- v0.6.0-docs
- Last push
- 2026-11-12