A tool is a device used to augment a species' natural abilities. The most basic tools are the simple machines.

Although tools were once thought to be used only by humans, it has been observed that chimpanzees and other animals, mostly primates, but also for instance ravens, are able to use them as well.

Norse knife (photo Uwe Kils)

Knives are amongst the oldest tools and have been fabricated since the stone age.

Most tools can also be used as weapons, such as the hammer and knife. Similarly, weapons, such as explosives can be used as tools.

List of tools:

An instrument is a concrete or abstract tool, in particular a refined one.

Toy tools are popular. Some are essentially similar to the real thing, and just a cheap and/or small version, for example a shovel and bucket to use on the beach and in the sandbox. Others are less functional, e.g. a dull plastic knife, or not functional at all.

In computing, software programs that assist people doing work on computers are also called tools, such as Computer Aided Software Engineering tool, Lint programming tool, software or web-based collaborative tools, software development tools, programming tools.

Table of contents
1 Popular Aphorisms
2 History
3 Other usages

Popular Aphorisms


Use of tools started at the beginning of the Stone age.

Other usages