What is keyhole software? Keyhole Software is a software development consulting firm focused on JavaScript, Java, and .NET technologies. Keyhole Consultants assist clients across the United States in nearly every business domain to create high quality, custom software applications.What is keykeyhole companion? Keyhole Companion - No Measuring Needed to Mark Keyhole Slot Fastener Locations on Walls, Cabinets,etc - Unique reusable tool for use w/objects having integrated or added keyhole slots/keyhole hangers . . .Why hire keyhole? Keyhole consultants & teams integrate seamlessly into organizations to meet development objectives. Custom courses and mentoring programs educating businesses to be successful with new technologies. Keyhole consultants are flexible and friendly.Is keyhole a good tool for social media marketing? Keyhole is an incredible tool for any social media marketer. I used it when I was head of social media at Saks Fifth Avenue, and it was one of the first tools I selected at the USTA. I really do value Keyhole.