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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.
Jenkins automation server
Translated🔥 An open-source BI tool anyone can use, a powerful data visualization tool. An open-source BI tool alternative to Tableau.
FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.
Video players (IJKplayer, ExoPlayer, MediaPlayer), HTTPS, 16k page size, danmaku (bullet chat) support, external subtitles, support for filters, watermarks, and GIF screenshots, pre-roll and mid-roll ads, multiple simultaneous playback, basic seeking/dragging, volume and brightness adjustment, play-while-cache support
A high performance caching library for Java
Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code
Your Cheat Sheet For Android Interview - Android Interview Questions and Answers
Virtual Engine for Android(Support 14.0 in business version)
A barebones WebSocket client and server implementation written in 100% Java.
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.
An implementation of tap targets from the Material Design guidelines for feature discovery.
Cyberduck is a libre FTP, SFTP, WebDAV, Amazon S3, Backblaze B2, Microsoft Azure & OneDrive and OpenStack Swift file transfer client for Mac and Windows.
LIBSVM -- A Library for Support Vector Machines
Roadmap to becoming a Java developer in 2026
Code as configuration. Annotate a Java entity with @Erupt and ship a production-grade admin backend in minutes — UI, RBAC, audit logs and APIs, all generated at runtime. No codegen, no frontend.
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
TranslatedNo ROOT and no Termux needed: run DeepSeek Harness on your phone. Full Ubuntu environment + proroot with zero ptrace overhead · AI output shown on screen in real time · direct ADB connection · no data loss
The official MongoDB drivers for Java, Kotlin, and Scala
🌍 The open source route planner api with plenty of features.
An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights.