Nmap Security Scanner

Very Simple Network Scanner   (Compare Project)

Activity Not Available

Mostly written in Pascal

License: Freeware

Big brother (the other one)   (Compare Project)

Inactive

Mostly written in C++

License: MIT

check_mk   (Compare Project)

Very High Activity

Mostly written in Python

License: GPL-2.0+

iftop   (Compare Project)

Very Low Activity

Mostly written in C

License: GPL-2.0+

Icinga   (Compare Project)

Very High Activity

Mostly written in PHP

License: GPL-2.0+

Opsview Core   (Compare Project)

Activity Not Available

Mostly written in Perl

License: GPL-2.0+

Sanet   (Compare Project)

Moderate Activity

Mostly written in Python

License: AGPL

inSSIDer-2   (Compare Project)

Very Low Activity

Mostly written in C#

License: Unknown

vnstat   (Compare Project)

Activity Not Available

License: GPL-2.0+

iproute2   (Compare Project)

Moderate Activity

Mostly written in C

License: GPL-2.0+

tcpdump   (Compare Project)

Moderate Activity

Mostly written in C

License: BSD-3-Clause

GNU netcat   (Compare Project)

Inactive

Mostly written in C

License: GPL-2.0+

Wireshark   (Compare Project)

Very High Activity

Mostly written in C

License: GPL-2.0+

BIND (Berkeley Internet Name Domain)   (Compare Project)

Activity Not Available

License: ISC

memtest86+   (Compare Project)

Activity Not Available

License: GPL-2.0+

bzip2   (Compare Project)

Activity Not Available

License: BSD-3-Clause

GNU binutils   (Compare Project)

Very High Activity

Mostly written in C

License: GPL-3.0

udev   (Compare Project)

Very Low Activity

Mostly written in C

License: GPL-2.0+, LGPL-2.1+

GNU Diff Utilities   (Compare Project)

Low Activity

Mostly written in C

License: GPL-2.0+

GNU findutils   (Compare Project)

Low Activity

Mostly written in C

License: GPL-3.0+