Download of SignFlow 1.1.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within System Tools, more precisely File Managers. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free Mac app is a product of PDF Technologies, Inc.
From the developer:
SignFlow is a fast eSignature PDF editor that lets you digitally sign PDF documents, fill, read, edit and comment PDFs, making your editing and signing workflow smooth. SignFlow allows you to apply a legally-binding digital signature in PDFs, and it provides an effortless PDF solution for you to create, edit and fill out PDF forms. You can edit text in PDFs like word, manage and edit PDF pages, annotate and view your PDFs.
You may want to check out more Mac applications, such as NotLight, Dock Changer or PDFGarden, which might be similar to SignFlow.