top 50 apache projects

Here is the List of top 50 Apache projects.

1. Apache Hadoop - Big data processing framework.
2. Apache Kafka - Distributed streaming platform.
3. Apache Cassandra - NoSQL distributed database.
4. Apache Spark - Unified analytics engine for large-scale data processing.
5. Apache Lucene - High-performance, full-featured text search engine.
6. Apache Tomcat - Open-source implementation of Java Servlet, JavaServer Pages, Java Expression Language, and Java WebSocket technologies.
7. Apache HTTP Server - The world's most widely used web server software.
8. Apache Flink - Framework and distributed processing engine for stateful computations over unbounded and bounded data streams.
9. Apache Beam - Unified programming model for defining and executing data processing pipelines.
10. Apache Airflow - Platform to programmatically author, schedule, and monitor workflows.
11. Apache Maven - Project management and comprehension tool.
12. Apache Ant - Java library and command-line tool for automating build processes.
13. Apache HBase - Distributed, scalable, big data store.
14. Apache ZooKeeper - Centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
15. Apache Ambari - Tool for provisioning, managing, and monitoring Apache Hadoop clusters.
16. Apache Camel - Open-source integration framework based on known Enterprise Integration Patterns.
17. Apache CouchDB - NoSQL database that uses JSON for documents, an HTTP API, & JavaScript/declarative indexing.
18. Apache Hive - Data warehouse software facilitates reading, writing, and managing large datasets residing in distributed storage using SQL.
19. Apache Solr - Open-source search platform built on Apache Lucene.
20. Apache Nifi - System to process and distribute data.
21. Apache Storm - Real-time computation system.
22. Apache Thrift - Software framework for scalable cross-language services development.
23. Apache Cordova - Mobile application development framework.
24. Apache JMeter - Application designed to load test functional behavior and measure performance.
25. Apache Phoenix - SQL skin over HBase for low latency applications.
26. Apache Pulsar - Distributed pub-sub messaging system.
27. Apache Sqoop - Tool designed for efficiently transferring bulk data between Apache Hadoop and structured datastores such as relational databases.
28. Apache Accumulo - Sorted, distributed key/value store that provides robust, scalable data storage and retrieval.
29. Apache Derby - Full-featured SQL relational database engine written in Java.
30. Apache Ignite - Memory-centric distributed database, caching, and processing platform.
31. Apache Mahout - Scalable machine learning and data mining library.
32. Apache Oozie - Workflow scheduler system to manage Hadoop jobs.
33. Apache Struts - Framework for creating Java EE web applications.
34. Apache Tika - Content analysis toolkit.
35. Apache Drill - Schema-free SQL query engine for Hadoop, NoSQL, and cloud storage.
36. Apache Mesos - Program that abstracts CPU, memory, storage, and other compute resources away from machines.
37. Apache Samza - Stream processing framework.
38. Apache Avro - Data serialization system.
39. Apache Groovy - Powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities.
40. Apache POI - Java library for reading and writing Microsoft Office and OpenOffice documents.
41. Apache Traffic Server - High-performance web proxy cache.
42. Apache Jackrabbit - Fully conforming implementation of the Content Repository for Java Technology API (JCR).
43. Apache Shiro - Powerful and flexible open-source security framework.
44. Apache Flume - Service for efficiently collecting, aggregating, and moving large amounts of log data.
45. Apache Knox - REST API Gateway for interacting with Hadoop clusters.
46. Apache Kylin - Distributed analytics engine designed to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop supporting extremely large datasets.
47. Apache Wicket - Component-based web application framework for the Java programming language.
48. Apache BookKeeper - Scalable, fault-tolerant, and low-latency storage service optimized for real-time workloads.
49. Apache Helix - Cluster management framework for partitioned and replicated distributed systems.
50. Apache Ranger - Framework to enable, monitor, and manage comprehensive data security across the Hadoop platform.

This list showcases the diversity and breadth of projects under the Apache Software Foundation, spanning various technology sectors and solving a wide range of problems.