Evernote is a software application that allows users to capture information of various types, including text notes, mobile phone snapshots, printed and handwritten text within images, web clips, and digital ink. All data added to Evernote are run through a series of recognizers that make any text within the various note formats searchable. The application uses a continuous “roll of paper” metaphor for its user interface. Additionally, users may create folders, categories and notebooks.

OpenOffice.org (OO.o or OOo), commonly known simply as OpenOffice, is a free cross-platform office application suite available for a number of different computer operating systems. It supports the ISO/IEC standard OpenDocument Format (ODF) for data interchange as its default file format, as well as Microsoft Office formats among others. As of November 2008[update], OpenOffice supports over 45 languages.

Users of the Microsoft Office XP and 2003 programs Word, Excel, or PowerPoint please install all High-Priority updates from Microsoft Update before downloading the Compatibility Pack.
By installing the Compatibility Pack in addition to Microsoft Office 2000, Office XP, or Office 2003, you will be able to open, edit, and save files using the file formats new to Word, Excel, and PowerPoint 2007. The Compatibility Pack can also be used in conjunction with the Microsoft Office Word Viewer 2003, Excel Viewer 2003, and PowerPoint Viewer 2003 to view files saved in …

Adobe Acrobat Reader lets you view and print Adobe PDF files on a variety of hardware and operating system platforms. Acrobat Reader provides a host of features that enable you to submit PDF forms created with fillable form fields to such applications as Adobe Acrobat 7.0 Professional and Adobe Form Designer. Play back a variety of embedded multimedia content, such as QuickTime and MP3 files. Read and organize high-fidelity e-books. Activate search and accessibility capabilities built into your PDF files, and display Adobe Photoshop Album slide shows and electronic cards.adobe …

Adobe Reader is free software that lets you open, view, search, and print Adobe Portable Document Format (PDF) files. The latest version of Adobe Reader includes additional features such as:

Provides better overall performance for faster launch times and real-time zooming and panning
Enables you to fill out and submit PDF forms from a variety of devices
Helps you download and organize digital editions (formerly known as eBooks) on a variety of devices, with full support for portrait or landscape viewing
Lets you display and share Adobe Photoshop Album slide shows and electronic …

Linux is a clone of the operating system Unix

FreeBSD is an advanced operating system