Repository Index

Apache Flink

• scala
• java
• big-data
• flink

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

• database
• distributed-database
• distributed-sql-database
• sql

QuestDB is a high performance, open-source, time-series database

• time-series
• low-latency
• database
• sql

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

• olap
• database
• hudi
• iceberg

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

• druid

🔎 Open source distributed and RESTful search engine.

• search
• search-engine
• analytics
• java

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

• change-data-capture
• kafka-connect
• apache-kafka
• debezium

Apache ZooKeeper

• zookeeper
• database
• hacktoberfest
• java

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

• cassandra
• java
• database

Apache Beam is a unified programming model for Batch and Streaming data processing.

• python
• java
• big-data
• beam

An AI-powered next-generation open source real-time observability system.

• monitor
• monitoring
• prometheus
• self-hosted

Apache Ignite

• distributed-sql-database
• iot
• osgi
• network-client

Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

• sql
• spark
• hive
• pyspark

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

• database
• graph-database
• graph
• gremlin

Apache TinkerPop - a graph computing framework

• tinkerpop
• gremlin
• graph
• graphdb

Elassandra = Elasticsearch + Apache Cassandra

• cassandra
• elasticsearch
• search
• completion

Apache Solr open-source search software

• lucene
• solr
• search
• nosql

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

• geospatial
• ofbiz
• web-framework
• java

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

• java
• elasticsearch
• full-text-search
• lucene

Mirror of Apache Pig

• pig
• java
• database

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included

• tls
• truststore
• certificate
• keystore

A Relational Database Backed by Apache Kafka

Influx DB v2.0 listener plugin for Apache JMeter. Provides the possibility to see the online dashboard (aggregation table, errors, the response body of failures).

• performance
• influxdb
• grafana
• jmeter-plugin

Cloud-enabled backup and restore tool for Apache Cassandra

• cassandra
• backup
• restore
• sstable