Repository Index

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.

• orientdb
• graph-database
• document-database
• dbms

An open-source columnar data format designed for fast & realtime analytic with big data.

• indexr
• columnar-storage
• olap
• datawarehouse

realtime search/indexing system

Simple full text indexing and searching library for Java

• inverted-index
• search-engine
• search-algorithm
• indexing