What recruitment software do you use, and why?
What recruitment software do you use, and why did you choose it? What recruitment software features/capabilities are most important to you? How often do you use it?
The best is a very subjective term. What you need to find out is which recruitment software meets the needs of your agency within your budget.
For small-medium sized agencies try
Recruiting Agency Software
For large agencies try
Apps4Rent | CloudDesktopOnline | O365CloudExperts
Do you mean like software that helps you recruit employees? Then honestly, I like using Facebook. The targeting abilities are great! They are more limited with job opportunities but you can still target people and cater your ads to who you are trying to attract.
If you are having a startup then I would suggest you to recruit people by your work as you will be better able to find the right people with the vision you have for the company.