A lot of Mac のキーロガー user will be happy when they find and download Free Mac Keylogger, but finally they become disappointed because what is called free Mac Keylogger is far from the word “free”. 実際, there is no easy-to-use free Mac Keylogger so far.
In point of fact, most of the free Mac Keyloggers are only free for download but not free for use. The great mass of this information comes from download websites. Before you download, you may need to check whether it is freeware or shareware. But the answer turns out to be shareware in most cases.
Another possibility is that the so-called Free Mac Keyloggers are free trials. You can download them for free and use it on your Mac for a period of time and then it expires. Only a few Mac Keylogger vendors like Aobo Mac のキーロガー provide free trial.
You may download something that does harm to your Mac when you search for free Mac keylogger too. Some malicious websites are likely to embed virus into free stuff and prevail on keylogger users to download. Once you run these "free keyloggers" your Mac will get dangerous.
There is also a chance that what you download is free Mac Keylogger with limited features and complicated operation. There is only one free Mac Keylogger which is abandoned by its developer. After you install it, you will be unable to find and operate the keylogger in normal ways and the uninstallation is not promising.
There is no such thing as a free lunch, especially when there is room for benefiting. Be careful to the free Mac Keyloggers as they may bring you unexpected troubles.