Centreon is an open-source, fully evolved network monitoring tool. Available in ISO and OVA formats, Centreon is a compatible alternative to historically powerful PRTG and MRTG tools.
edX.org offers free college-level courses and learning online. In the sprit of a previous post about Coursera, edX offers more of a technical-based learning catalog from many of the premier technically recognized universities.
Powershell.org is a great site for all things PowerShell. This blog site is a must-see for anyone learning PowerShell or just looking to improve their PowerShell-game.
GoalKicker.com provides access to an almost complete set of great PDF books. Increase your posture around Linux, Python, Android, Bash, Git, JAVA, SQL, iOS, Ruby and many more that can't all be listed here.
It is believed that all passwords will be retired as a legacy authentication mechanism within the next 24 months. Trusona is a company that has created a revolutionary authentication for the government, known as a 'true persona'. The technology is impressive.
NetBox is a great IPAM solution that is publicly available on GitHub.
PingInfoView is truly the fastest ping sweep / DNS resolving (free) utility I've ever used. Able to scan large subnets with ease all while resolving hostnames and when finished, exports the data into to various usable formats.
Multi-Tabbed PuTTY, produced by TTY Plus, is a great free way to run PuTTY in a more 'SecureCRT-way'. Good for organizing multiple PuTTY sessions into a single view rather than multiple, separate windows open all over the desktop.
VMware Product Walkthroughs are a great, quick way to learn more about specific VMware or ESXi specific features. Excellent visual resource.
Sherp is an ATV manufactured in Russia, mainly sold in Canada, increasingly in the US and pretty incredible. Words can't really describe what this vehicle can do.
Wireless security isn't perfect, however WPA2 security has been as good as it gets for most residential (and business) wireless access points. Mostly all modern WiFi networks use the WPA2 security model and recently, a serious WPA2 vulnerability has been discovered by Mathy Vanhoef of inec-DistriNet. Mathy has a fantastic write-up and demonstration of what he is calling "Key reinstallation attacks (KRACKs)" - or the 'KRACK Attack'.
TeamViewer for some time has been the gold standard as one of the easiest and feature-rich utility for connecting to your computer remotely. Free for home-use, once the simple agent is installed on your operating system platform of choice, you can access that machine via TeamViewer website or the agent itself. Does not require any complicated firewall rule or port configurations. Works on most operating systems (Windows, MacOS and Linux).
Kodi is an open source media center software with an amazing UI. Links to various media sources and plugins like Plex or PS Vue. Kodi supports just about any operating system you can throw at from Windows to Raspberry Pi. An Apple TV-like ability to turn any display into a smart TV.
Titanium Software's OnyX is a free utility that cleans and optimizes most versions of Mac OSX. Additionally, OnyX pulls and displays important information about system parameters.
Macrium Reflect Free is a great free hard drive backup utility that creates excellent images. The free edition still packs very powerful features that you typically have to pay for. Booting, injecting drivers and mounting are all available.
Cinebench R15 is a great benchmark tool for PC and Mac focusing on video/3D capabilities. There are 2 main tests, CPU and graphics card performance. The result is an overall benchmark score that is commonly used as an authority for performance.
CPU-Z is a freeware utility that identifies various components within your PC, real time. The CPUID website offers other great performance monitor freeware utilities.
Ninite is a site thats aggregated the most common utilities available for PC aloows you to create a free custom application installer Step 1, choose all of the applications you want to install. Step 2, click download. Ninite will create a custom installer - on the fly - using the applications selected. Step 3, go.
This is a little 'old school' but seeing this again brought back memories of times where nLite was the coolest way to deploy WindowsXP. nLite seems to have evolved into NTLite, supporting W8 and now W10.
Have you ever wanted to remove Windows components like Media Player, Internet Explorer, Outlook Express, MSN Explorer, Messenger...
How about not even to install them with Windows ?
nLite is a tool for pre-installation Windows configuration and component removal at your choice. Optional bootable image ready for burning on media or testing in virtual machines.
With nLite you will be able to have Windows installation which on install does not include, or even contain on media, the unwanted components.
Mininet is a great, quick way to spawn virtual networks for testing. The lightweight Ubuntu-based OS will create virtual servers and devices capable of communicating with the built-in SDN controller.
Atom is a great, free, hackable text editor that is incredibly useful for day to day.
MapCrunch takes you to random Google map street views. Would you be able to guess that you are on Unnamed Road, Dariganga, Mongolia? Of course you can. Try it out, great for killing time.
For instances where a simple diagram is needed to explain or to assist with troubleshooting, ASCIIFLOW is a perfect tool. Drag and drop the topology, copy, paste, done.
Cisco's interactive catalog is an amazing way to see and 'touch' the entire portfolio. Built by Kaon, a former gaming company turned marketing company, has won many awards for their ability to digitize accurate reproductions or models in 3D.
Duncan Epping is a Chief Technologist in the office of CTO at VMware. He has published some great virtualization technical references, some of which are available for free. His blog, yellow-bricks.com is a VMware Administrators go-to black book for managing enterprise environments or studying for a VCP or VCDX certification.