| Speakeasy | Internet speed test. |
| Downdetector.com | Status of various network sites |
| Is It Down Right Now? | Check the status of a web domain |
| Live Cyber Attack Threat Map | |
| FILE.ext | |
| iPad Forum | |
| Spam Cop | |
| Verify Email Address | |
| Network Tools | |
| Ask Mr. Excel-Tips And Solutions For Excel | |
| Practical Spreadsheet Templates | |
| Printable Paper | |
| The Ultimate Excel Cheatsheet | |
| Power Point Presentations-Free | |
| Alt Code Symbols | Create symbols using Alt+ |
| HTML, ASCII, Conversion Tables | |
| Fonts | Download fonts. |
| PDF my URL | Web page to PDF conversion |
| Who is | |
| Codecademy | Free website coding instructions. |
| Microsoft FrontPage Technical Support | |
| All About Circuits | Electrical Engineering & Electronics Community. |
| Maker Pro | Your electronics projects from conception to creation. |
| Arduino | All about Arduino |
| Apple Watch User Guide | |
Please report dead links to bob.gaudio@bobgaudio.com