Web
Security
Data
CLI/Utils
Testing
Database/ORM
Utilities/Collections
Utilities
Utilities/IO
Utilities/Configuration
Dependency Injection
Networking/HTTP
Email/Communication
Database/Migration
Reactive Programming
Messaging/Queue
Caching/Distributed Data
Testing/Integration
Testing/Mocking
Testing/Async
Build/Dependency Management
Security/Authentication
Collections/Utilities
Logging
Monitoring / Metrics
Serialization / Messaging
Serialization / Data
Web / HTTP Server
HTTP / Networking
Microservices / Cloud
Microservices / Service Discovery
Data / Office
Data / PDF
Web / HTML Parsing
Scheduler / Job Management
Performance / Caching
Data / Embedded Database / Caching
Performance / In-Memory Data Grid
Computer Vision / ML
ML/AI / Deep Learning
ML/AI / Numerical Computing
ML/AI / Machine Learning
ML/AI / Streaming Machine Learning
Big Data / Streaming / ML
Big Data / Distributed Computing / ML
Big Data / Streaming / Batch Processing
Integration / Enterprise Application
Data Flow / ETL / Integration