| 68 × | datastructures | 9 × | strings | 3 × | gate | ||
| 57 × | java | 8 × | nontechnical | 3 × | hashtables | ||
| 46 × | algorithms | 7 × | linkedlist | 3 × | graph | ||
| 28 × | programming | 7 × | tree | 3 × | bst | ||
| 17 × | designquestions | 7 × | cpp | 3 × | operatingsystems | ||
| 17 × | designpatterns | 5 × | brainteaser | 3 × | data | ||
| 13 × | datastructures-errata | 4 × | binary | 2 × | ebook-datastructuresalgorithms | ||
| 12 × | errata | 4 × | interview | 2 × | scanning | ||
| 11 × | c | 4 × | networkingconcepts | 2 × | mahtematic | ||
| 9 × | trees | 3 × | data-structures-&-algorithms-made-easy-and-coding-interview-questions | 2 × | databasedesign |