Apache ZooKeeper
A centralized coordination service for distributed systems providing configuration management, leader election, distributed locking, and service discovery
MongoDB
A document-oriented NoSQL database designed for flexible schemas, horizontal scaling, and developer productivity
PostgreSQL
The world's most advanced open-source relational database, known for extensibility, standards compliance, and robust ACID transactions
Amazon DynamoDB
Fully managed NoSQL database service designed for high performance at any scale
Apache Cassandra
Distributed NoSQL database designed for high availability, linear scalability, and handling massive amounts of data across multiple data centers
Apache Flink
Distributed stream processing framework for real-time analytics, event-driven applications, and complex event processing
Apache Kafka
Distributed streaming platform designed for high-throughput, real-time data pipelines and event-driven architectures
Apache Spark
Unified analytics engine for large-scale data processing with built-in modules for streaming, SQL, machine learning and graph processing
Apache Storm
Real-time computation system for processing unbounded streams of data with guaranteed message processing
Elasticsearch
Distributed search and analytics engine built on Apache Lucene for real-time search, logging, and data analytics
Redis
In-memory data structure store designed for high-performance caching, sessions, and real-time applications
Top Apache Projects
Explore the most influential Apache Software Foundation projects used in modern distributed systems and data processing