| # | Name | Type |
|---|---|---|
| 1 | system design | |
| 2 | core | |
| 3 | DSA | |
| 4 | php | |
| 5 | database | |
| 6 | spring boot | |
| 7 | OOPs | |
| 8 | java8 | |
| 9 | core java | |
| 10 | phph | |
| 11 | test | |
| 12 | VirtualBox | Virtualization and Containerization |
| 13 | VMware | Virtualization and Containerization |
| 14 | macOS | Operating Systems |
| 15 | Windows | Operating Systems |
| 16 | Linux (various distributions) | Operating Systems |
| 17 | Oracle | Database Management Systems (DBMS) |
| 18 | Mercurial | Version Control |
| 19 | Subversion (SVN) | Version Control |
| 20 | Microsoft IIS | Web Servers |