Vellum
                
                Classic touches like custom drop caps and ornamental flourishes are included in both print and ebook editions. So whether your readers prefer a paperback or a Paperwhite, they will see a beautiful, professionally-formatted book. Use Vellum to get the most out of ebooks. Assemble box sets of a series. Produce advance copies for early feedback. Connect with links to Facebook and Twitter. Add store links and help readers buy your next book. Generate ebooks for Kindle, Apple Books, Kobo, and more. And with Vellum’s instant turnaround, you can do it all on your schedule. Page numbers. Margins. Headers. Font. Line spacing. All of the setup that can take hours elsewhere happens automatically with every book you create. And Vellum goes beyond the basics to prevent widows, balance page spreads, and avoid short pages — all automatically. You’ll have a book that looks like it took days to create …in minutes.
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                WordPad
                
                WordPad is a basic text-editing app you can use to create and edit files, include text with different fonts and colors, insert pictures, and add links to other files. You can use WordPad to open and save text files (.txt), rich text files (.rtf), Word documents (.docx), and OpenDocument text files (.odt). Files in other formats will open as plain text files and might not appear as expected. Some features, like headers, footers, and annotations, aren’t supported in WordPad. If you open a file with these features and then save the file in WordPad, you’ll lose the content in these features. If you want to change such a file, but don’t want to lose the original content, tap or click Save as and save the file with a different name. That way you can make changes to a copy of the file while keeping the content in the original file intact. For more info about what each button does, press and hold the button for a description (or if you’re using a mouse, point to the button).
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                Bookdown
                
                Write HTML, PDF, ePub, and Kindle books with R Markdown. The bookdown package is an open-source R package that facilitates writing books and long-form articles/reports with R Markdown. Generate printer-ready books and ebooks from R Markdown documents. A markup language easier to learn than LaTeX, and to write elements such as section headers, lists, quotes, figures, tables, and citations. Multiple choices of output formats: PDF, LaTeX, HTML, EPUB, and Word. Possibility of including dynamic graphics and interactive applications (HTML widgets and Shiny apps). Support a wide range of languages: R, C/C++, Python, Fortran, Julia, Shell scripts, and SQL, etc. LaTeX equations, theorems, and proofs work for all output formats. Can be published to GitHub, bookdown.org, and any web servers. Integrated with the RStudio IDE. One-click publishing to https://bookdown.org.
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                Notepad
                
                Notepad has been the fast and simple text editor on Windows for over 30 years, and now it’s available in the Microsoft Store! View, edit, and search through plain text documents and source code files instantly. Edit text-based files and source code instantly. Customize your view with font options. Save in multiple encodings including UTF-8, UTF-16, and ANSI. For Windows 10 version 19541.0 or higher. Notepad offers only the most basic text manipulation functions, such as finding and replacing text. Until Windows ME, there were almost no keyboard shortcuts and no line-counting feature. Starting with Windows 2000, shortcuts for common commands like "New", "Open", and "Save" were added, as well as a status bar with a line counter (available only when word-wrap is disabled.) Notepad can print files. It allows customizing headers, footers, and margins before printing. The date, file name, and other information can be placed in the headers and footers with various codes.
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