▼ Desktop Applications
→ Java, JavaFX, Swing
→ C/C++, QT, Visual C++
→ C#
→ Vb.Net
→ Python, Tkinter, PyQT
→ Dart
▼ Mobile Programming
→ Android
→ Java
→ Kotlin
→ Flutter
▼ Web Programming
→ Java, JSP, Servlets, EJB, JSF
→ Asp.Net, MVC, Entity Framework
→ PHP Core, Laravel
→ Ajax, Bootstrap
→ Web Services: Restful, Soap
→ HTML, XHTML, XML, DTD, XSD, Json
▼ JavaScript
→ Node
→ Express
→ Socket IO
→ AngularJS
→ jQuery
▼ Database
→ MySql
→ Oracle
→ MSSQL
→ HBase
→ JavaDB
→ PostgreSQL
→ MS Access
→ Cassandra
→ MongoDB
→ JPA
→ Hibernate
▼ Misc
→ Algorithms
→ Data Structures
→ Charting: Plotly, D3, Google Charts, JFreeCharts
→ UML Diagrams
→ Files: PDFBox, IText, POI, Excel
→ Testing: Junit, TestNg, unittest