eml-parse-js

format EML file in browser env
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emleml-parseeml-format-jseml-parse-jstypescript

eml-parser

Parse .eml and .msg files or convert to pdf, html, jpeg or png format. Extract headers and attachments from .eml and msg files.
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emailemail-parseremlparsereml-parserconverteremltopdfeml-to-pdfemltohtmleml-to-htmlemltojpegeml-to-jpegemltopngeml-to-png.emlmsg-parsermsgmessage-parsermsgtopdfmsg-to-pdfmsgtohtmlmsg-to-htmlmsgtojpegmsg-to-jpegmsgtopngmsg-to-png

ost2go

A comprehensive Node.js application to convert, extract, and manage Microsoft Outlook OST files with UTF-8 support
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outlookostpstconverteremailutf8extractoreml

partial-emlx-converter

Convert .emlx and .partial.emlx files created by Apple’s Mail.app to .eml
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emleml-filesemlxpartialemlxmacosmail.app

@aspose/email

A collection of components for working with email. It makes it easy to work with Outlook PST, EML, MSG and MHT files.
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Emailemlmsgpstostoutlookexchangethefmhtolmicsvcfmbox