Electronic Signature Software allows you to sign PDF and other online documents that require a digital signature. While some software is free, even the paid one has a reasonable price but will give you additional features catering to your needs. The software that you will find online for free use allows you to scan the image of your sign, upload it, and then attach it to the documents you want using the online interface.
With advanced technology, you have easier access to these signing tools. Some of the software are applications that you can download in your handheld devices. Using these applications is also easy, and usually, the software gives you a trial or free version to use for some time. In some software, you will have the option to sign for two to three times before you have to buy the app.