Insertion Sort - In-place?
Yes
Insertion Sort - Stable?
Yes
Selection Sort - In-place?
Yes
Selection Sort - Stable?
Yes
Merge Sort - In-place?
No - Uses additional array for merging
Merge Sort - Stable?
Yes
Quick Sort - In-place?
Yes
Quick Sort - Stable?
No - Uneven pivots can create divisions
Radix Sort - In-place?
No - Needs bucket queues
Radix Sort - Stable?
Yes