tex2mail is described as '– Converts TeX to mailable "ASCII art"' and is an app. There are three alternatives to tex2mail for Windows, Linux and Mac. The best tex2mail alternative is latex2rtf, which is both free and Open Source. Other great apps like tex2mail are tex2unicode and asciiTeX.
latex2rtf is a translator program to convert LaTeX formatted text files into “rich text format” (RTF) files. RTF is a published standard format by Microsoft. This standard can be ambiguous in places, but RTF is supported by many text editors.
asciiTeX is an ASCII equation renderer released under the terms of the GNU General Public License. The program can generate ASCII-art representations of mathematical equations. You can use asciiTeX to quickly insert equations in e.g. e-mails or comments in your source-code.
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