Free and Open Source, Distributed, RESTful Search Engine

Apache Flink

Graphs for Everyone

Apache Doris is a real-time analytics and hybrid search database for AI agents.

Apache Druid: a high performance real-time analytics database.

Apache NiFi

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…

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

Open, Multi-modal Catalog for Data & AI

LakeSoul is an end-to-end, realtime cloud-native Lakehouse framework for fast data ingestion, concurrent updates, incremental analytics, multimodal data processing and vector search — powering next…

A Graph Traversal Language (no longer active - see Apache TinkerPop)

TLS-Attacker is a Java-based framework for analyzing TLS libraries. It can be used to manually test TLS clients and servers or as as a software library for more advanced tools.

Esper Complex Event Processing, Streaming SQL and Event Series Analysis

Apache Metron

Realtime analytics, this includes the core components of Pulsar pipeline.

A Graph Server (no longer active - see Apache TinkerPop)