TCPing will send TCP probes to an IP address or a hostname specified
by you and prints the result.
It works with both IPv4 and IPv6.

TCPING uses different TCP sequence numbering for successful and
unsuccessful probes, so that when you look at the results and spot
a failed probe, understanding the total packet drops to that point
would be illustrative enough.

* Monitor your network connection.
* Determine packet loss.
* Analyze the network's latency.
* Show min/avg/max probes latency.
* Use the -r flag to retry hostname resolution after a predetermined
number of ping failures. If you want to test your DNS load
balancing or Global Server Load Balancer (GSLB), you should
utilize this option..
* Print connection statistics on Enter key press.
* Display the longest encountered downtime and uptime duration and
time.
* Monitor and audit your peers network.
* Calculate the total uptime/downtime when conducting a maintenance.
* An alternative to ping in environments that ICMP is blocked.

A terminal UI for tshark, inspired by Wireshark.

testssl.sh is a free command line tool which checks a server's service on
any port for the support of TLS/SSL ciphers, protocols as well as some
cryptographic flaws.

A CLI tool that parses and manipulates URLs, designed to help
shell script authors everywhere.

TSCTP is an SCTP test tool. Its purpose is to perform basic SCTP
functionality tests to check implementations interoperability and
to verify that the SCTP stack is working.

ttl provides a live traceroute interface that can trace multiple targets,
detect ECMP paths, run PMTUD, export JSON/CSV reports, and optionally
enrich hop data with DNS, ASN, geolocation, and PeeringDB information.

uacme is a client for the ACMEv2 protocol described in RFC8555,
written in plain C code with minimal dependencies.
The ACMEv2 protocol allows a Certificate Authority and an
applicant to automate the process of verification and certificate
issuance. The protocol also provides facilities for other
certificate management functions, such as certificate revocation.

A simple curl wrapper which lets you use curl to download files
without having to remember any parameters.
Simply call wcurl with a list of URLs you want to download and
wcurl will pick sane defaults.

If you need anything more complex, you can provide any of curl's
supported parameters via the --curl-options option. Just beware
that you likely should be using curl directly if your use case is
not covered.

By default, wcurl will:
* Percent-encode whitespaces in URLs;
* Download multiple URLs in parallel if the installed curl's
version is >= 7.66.0;
* Follow redirects;
* Automatically choose a filename as output;
* Avoid overwriting files if the installed curl's version
is >= 7.83.0 (--no-clobber);
* Perform retries;
* Set the downloaded file timestamp to the value provided by the
server, if available;
* Disable curl's URL globbing parser so {} and [] characters in
URLs are not treated specially;
* Percent-decode the resulting filename;
* Use "index.html" as default filename if there's none in the
URL.

Command-line client for WebSockets, like netcat (or curl) for ws://
with advanced socat-like functions.

A fast, modern network bandwidth testing tool with TUI.

Features:
- Live TUI with real-time throughput graphs and per-stream stats
- Server dashboard - xfr serve --tui for monitoring active tests
- Multi-client server - handle multiple simultaneous tests
- TCP and UDP with configurable bitrate and parallel streams
- Bidirectional testing - measure upload and download simultaneously
- Multiple output formats - plain text, JSON, JSON streaming, CSV
- Result comparison - xfr diff to detect performance regressions
- LAN discovery - find xfr servers with mDNS (xfr discover)
- Prometheus metrics - export stats for monitoring dashboards
- Config file - save defaults in ~/.config/xfr/config.toml
- Environment variables - XFR_PORT, XFR_DURATION overrides

The Openconnect VPN server (ocserv) is an open source Linux SSL VPN server designed for organizations that require a remote access VPN with enterprise user management and control.

openfortivpn is a client for PPP+SSL VPN tunnel services. It spawns a pppd
process and operates the communication between the gateway and this process.

It is compatible with Fortinet VPNs.

Beignet is an open source implementation of the OpenCL specification - a generic
compute oriented API. This code base contains the code to run OpenCL programs
on Intel GPUs which basically defines and implements the OpenCL host functions
required to initialize the device, create the command queues, the kernels and
the programs and run them on the GPU.

The clFFT library is an open source OpenCL library implementation of discrete
Fast Fourier Transforms, which:
* Provides a fast and accurate platform for calculating discrete FFTs.
* Works on CPU or GPU backends.
* Supports in-place or out-of-place transforms.
* Supports 1D, 2D, and 3D transforms with a batch size that can be greater
than 1.
* Supports planar (real and complex components in separate arrays) and
interleaved (real and complex components as a pair contiguous in memory)
formats.
* Supports dimension lengths that can be any mix of powers of 2, 3, and 5.
* Supports single and double precision floating point formats.

A simple OpenCL application that enumerates all possible platform and device properties. Inspired by AMD's program of the same name, it iscoded in pure C99 and it tries to output all possible information, including that provided by platform-specific extensions, and not to crash on platform-unsupported properties (e.g. 1.2 properties on 1.1 platforms).

OpenCL is a royalty-free standard for cross-platform, parallel programming of modern processors found in personal computers, servers and handheld/embedded devices.

This package provides an Installable Client Driver Bindings (ICD Bindings). The provided libOpenCL library is able to load any free or non-free installed ICD (driver backend).

OpenCL is a royalty-free standard for cross-platform, parallel programming
of modern processors found in personal computers, servers and
handheld/embedded devices.

This package provides the official Khronos Group OpenCL headers needed to
compile programs that use OpenCL.

Portable Computing Language (pocl) aims to become a MIT-licensed open source
implementation of the OpenCL standard which can be easily adapted for new targets
and devices, both for homogeneous CPU and heterogenous GPUs/accelerators.

pocl uses Clang as an OpenCL C frontend and LLVM for the kernel compiler
implementation, and as a portability layer. Thus, if your desired target
has an LLVM backend, it should be able to get OpenCL support easily by using pocl.

The goal is to accomplish improved performance portability using a kernel
compiler that can generate multi-work-item work-group functions that exploit
various types of parallel hardware resources: VLIW, superscalar, SIMD, SIMT,
multicore, multithread ...

Additional purpose of the project is to serve as a research platform for
issues in parallel programming on heterogeneous platforms.

It focuses on different areas of WiFi security:

* Monitoring: Packet capture and export of data to text files for further processing by third party tools
* Attacking: Replay attacks, deauthentication, fake access points and others via packet injection
* Testing: Checking WiFi cards and driver capabilities (capture and injection)
* Cracking: WEP and WPA PSK (WPA 1 and 2)

All tools are command line which allows for heavy scripting. A lot of GUIs have taken advantage of this feature.

NDPMon, Neighbor Discovery Protocol Monitor, is a tool working with ICMPv6 packets. NDPMon observes the local network to see if nodes using neighbor discovery messages behave properly. When it detects a suspicious Neighbor Discovery message, it notifies the administrator by writing in the syslog and in some cases by sending an email report.

ssh-audit is a tool for ssh server auditing.

Features:
* SSH1 and SSH2 protocol server support;
* grab banner, recognize device or software and operating system, detect compression;
* gather key-exchange, host-key, encryption and message authentication code algorithms;
* output algorithm information (available since, removed/disabled, unsafe/weak/legacy, etc);
* output algorithm recommendations (append or remove based on recognized software version);
* output security information (related issues, assigned CVE list, etc);
* analyze SSH version compatibility based on algorithm information;
* historical information from OpenSSH, Dropbear SSH and libssh;
* no dependencies, compatible with Python 2.6+, Python 3.x and PyPy;