Modern CSV - A CSV editor/viewer
Speechy - Speechy is an app by Twelve Stars Software that comes up with features to help you in reading text in a variety of different formats such as pdf, txt, EPUB, webpages, and many others.
Rons CSV Editor - Rons CSV Editor / Now Rons Data Edit
FLOOX - FLOOX app allows you to select a book from the internal storage to listen to it in the audio version by selecting the desired text-to-speech settings.
ReCsvEditor - Csv / Tsv / Delimited file editor. Supports for very large Files.
ReadEra - Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats.