The Apache Software Foundation
Explained projects
Apache Airflow: The Orchestrator That Won by Making the Core Smaller
A deep dive into the provider model, Breeze, and the control-plane discipline that keeps one of the biggest workflow engines maintainable.
The Invisible Scaffolding of the Java Ecosystem: Unpacking apache/maven-dependency-plugin
How hundreds of hermetic integration tests, bytecode scanning, and a strict Java 8 mandate keep the enterprise build pipeline from collapsing.
Yet to be explained
datafusion-iceberg
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Apache DataFusion Iceberg Integration
iceberg-verification
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Conformance fixtures for verifying Apache Iceberg implementations
skywalking-ai-sessionizer
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Apache SkyWalking AI Sessionizer - conversation-level observability for long-lived AI agents
sourcelume-spec
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Apache Sourcelume is open-source instrumentation for AI training-data provenance — a metadata specification, a reference registry, and tooling that let dataset curators and model producers publish signed, independently verifiable records of where their data came from and what terms it carries.
ossie-converters
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Apache Ossie, industry wide specification effort to standardize how we exchange semantic metadata across analytics, AI and BI platforms, providing a vendor neutral, single source of truth for semantic data. This is the Ossie converters.
rocketmq-ai
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Apache RocketMQ with AI
terraform-provider-polaris
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Terraform provider for Apache Polaris, the interoperable, open source catalog for Apache Iceberg
sourcelume-registry
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Apache Sourcelume Registry: reference registry for AI training-data provenance records
sourcelume-site
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Apache Sourcelume
terraform-provider-paimon
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Terraform and OpenTofu provider for Apache Paimon
hive-test-datasets
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Apache hive
openserverless-configurator
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Apache openserverless
comdev-metrics
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Apache comdev
grails-micronaut
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Apache grails
sourcelume-reports
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Apache sourcelume
openserverless-patches
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Apache openserverless
comdev-calendar
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Apache comdev
logging-flume-mongodb
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Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data
asyncband-site
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Apache Asyncband (Incubating) Website