Apache Hudi
Incremental data-lake tables
All sites
Browse hand-picked design inspiration, development tools, and research resources. Read an introduction before visiting the official site.
1976 sites, sorted by name. Showing 97–144.
Narrow your browse by category
Apache HugeGraph
Property-graph database
Apache Iceberg
Table format for data lakes
Apache Ignite
Distributed data and compute platform
Apache Impala
Interactive SQL on distributed data
Apache InLong
Multi-source data ingestion
Apache IoTDB
Time-series database for IoT
Apache Jackrabbit
Java content repository
Apache James
Modular mail-server platform
Apache Jena
RDF and semantic-web toolkit
Apache JMeter
Apache JMeter offers a protocol and service load testing tool for teams comparing API behavior at different concurrency levels.
Apache Kafka
Event streaming infrastructure
Apache Karaf
Modular Java runtime
Apache Kudu
Updatable analytical columnar storage
Apache Kvrocks
Redis-compatible disk-based storage
Apache Kylin
Precomputed analytical models
Apache Linkis
Unified access to compute engines
Apache Log4j
Configurable Java application logging
Apache Lucene
Search indexing library
Apache Mahout
Explore quantum machine learning with Python circuit APIs and GPU data encoding.
Apache Mynewt
Embedded device software platform
Apache NetBeans
Integrated application development
Apache NiFi
Visual data-flow automation
Apache NuttX
Real-time embedded operating system
Apache OFBiz
Enterprise business application framework
Apache OpenNLP
Natural-language text processing
Apache Ozone
Distributed object storage
Apache Parquet
Columnar files for analytics
Apache Pinot
Real-time user-facing analytics
Apache POI
Office document formats in Java
Apache Pulsar
Messaging and event streams
Apache RocketMQ
Messaging for event workflows
Apache Samza
Partitioned stream processing
Apache Seata
Distributed transaction coordination
Apache SeaTunnel
Data synchronization pipelines
Apache ShardingSphere
Database sharding and access layer
Apache SkyWalking
Observability for distributed services
Apache Sling
Resource-oriented web framework
Apache Solr
Search platform for indexed content
Apache SpamAssassin
Rule-based spam filtering
Apache Spark
Distributed data processing
Apache Storm
Topology-based stream processing
Apache StreamPark
Stream application development
Apache Struts
Action-based Java web framework
Apache Superset
SQL exploration and dashboards
Apache SystemDS
Declarative data-science computation
Apache Tapestry
Templated Java web components
Apache Thrift
Cross-language service definitions