Apache GitHub Repositories (2026) · Open Source Tools

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Agent-assisted maintainership and development framework for Apache projects — Triage, Mentoring, Drafting (agent-authored fixes with human review), and Pairing (developer-side dev-cycle) skills shipping; Agentic Autonomous (auto-merge) on the roadmap.

Hop Orchestration Platform

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based programming language which provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis.

Apache Superset is a Data Visualization and Data Exploration Platform

A simple cross platform ACME client (for use with Let's Encrypt et al.)

Apache ZooKeeper

Apache Fineract

Apache Nutch is an extensible and scalable web crawler

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

Apache Iceberg

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

Apache Maka (Incubating) is a high-performance agent workspace that keeps a complete record of everything it did.

Apache Artemis

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

Apache TinkerPop - a graph computing framework

dbc is the command-line tool for installing and managing ADBC drivers

Apache Atlas - Open Metadata Management and Governance capabilities across the Hadoop platform and beyond