Whats the best Network Management software?

There is no specific software to manage the network, but you can use different techniques and humane skills to manage the network.
The most important role in network management is of network administrator in physical machines and system adiminstrator at virtual machines

Network Management is a very Generic Term. You must specify What sort of Organization having Network? What Network Equipment, Servers and Firewalls are deployed?

 

Technical Suggestion would be made depending on above scenario.

Hope it will help.

Spiceworks It Desktop it is application that simplifies the work of network administrators.
The application combines network inventory, help desk, mapping and monitoring.
Spiceworks Desktop It can also put you in the professionals to exchange ideas.
Finally, the software has a user ergonomics foolproof interface.

dmware netsupport

PRTG

Whatsupgold, GFI LANguard, Ciscoworks, PRTG, Wireshark etc.
are good network management software.

it depend on what management you want and what you mean about.
for example network management can't be done with out a good monitoring system and configuration management in case you need.
(before the beginning of managing your network you must make sure you have the right design and knowledge ) as the above comments there are a good software that are a lot more and more powerful and respectful in the market such as solarwindes they are amazing in their network solution.
managengine they have more than one tools that can help you.
GoverLAN is software that is used for managing Desktop in a Domain environment and it's work is limit to only rolling out your Desktop infrastructure it is good for (Service Desk & Help Desk Department it can make there life easy).
for the term of management if you meant that you want some thing that help for tracking recording auditing securing and logging i would prefer you take a look at SIEM solution such as Arcsight from HP and Q1lab

Network management refers to the broad subject of managing computer networks.
There exists a wide variety of software and hardware products that help network system administrators manage a network.
Network management covers a wide area, including Security- Performance- Reliability- All types of network management software have the same primary goal

We can opt the tool depends up on the requirement. I've used SolarWinds, Manage Engine

GFI Languard and Solarwinds

LogicMonitor or ManageEngine OpManager