Bluestacks.com is a free Android OS emulation platform that can be downloaded on Windows 10 and macOS software. The software's basic features are free to download and use. As of 2019, Bluestacks.com reports it's able to run over 1.5 million Android apps. App Player features mouse, keyboard, and external touchpad controls. Great for sandboxing malware and performing forensics.
Openboardview.org is a site providing links to multiple versions of OpenBoardView. This opensource software runs without installing on Windows (EXE) and provides schematics for most popular motherboards and circuit boards. It's interactive, allowing a user to select a component and identifying it's respective connections.
No better way to upgrade your life than with Fujitsu's SnapScan. If you've not had the pleasure, check it out, video highly suggested. Alternatively, if you're not as fortunate and stuck with a flat bed scanner, upgrade it in place by installing open-source NAPS2. NAPS2 takes all frustration out of manual batch scanning.
Microsoft* Windows 95 was just released (again). This time in Electron and available on GitHub for both Windows and macOS.
*not approved or associated with Microsoft
PyVideo is a community based collection of Python related videos. It offers a dense collection of Python content to anyone looking to dive into the world of Python programming.
The Jupyter Notebook is an open source IDE in-a-web application that allows you to create and share documents that contain live code. Wide variety of use cases that include statistical modeling, data visualization, DevOps integrations, machine learning and more.
JS, VB, C#, F#, PHP, Python, Ruby, Java, Containers...
Network 169 offers several routing troubleshooting challenges and configure 'how-to's' using GNS3 or VIRL platforms. Also offering great blog discussions around each platform differences.
CreativeLive is an amazing resource for learning photography, art, design, music, money and even life. Excellent content brilliantly presented live.
Sonic Pi programming environment comes complete with a great community as well as tutorials to get you up and coding quickly. It enables you to write and modify code live to make music, just like you might perform live with a guitar.
ESOS Project is an open-source software that will take a typical JBOD configuration and present it like an enterprise-class, block-based SAN target. Supports FC, FCoE, iSCSI and Infiniband which allows any user an opportunity to run a very expensive configuration using inexpensive, off the shelf components. Great for non-critical storage as well as creating home lab for self-study.
f.lux is a great utility and study to help people adapt their computer to the time of day visually. Available on all platforms as well as smart lighting (Philips Hue), f.lux will automatically make your screen or lighting look like the room you're in.
CloudFlare in partnership with APNIC recently worked to get a DNS server onto 126.96.36.199 to provide a free, private, secure and fast DNS service. For those who've previously used Level-3's 188.8.131.52, Google's 184.108.40.206 then moved onto Cisco's OpenDNS now have another option with CloudFlare's 220.127.116.11.
RadioReference is a centralized aggregate database of broadcast streams from all over the country available to stream/listen online. This isn't regular FM/AM radio, rather a directory of various radio scanner frequencies (public utility, first responder, cruise ship, aircraft, critical incidents, etc).
bhami.com hosts what they call the 'Rosetta Stone' for Unix. It's a complete 'Unix-ersal' Translator for sysadmins. This single page reference is a fantastic go-to for Unix commands across most flavors.
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.
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.
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.
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.