Music Memos by Apple - An app to capture your song ideas
LibriVox Audio Books Supporter - LibriVox Audio Books Supporter app comes up with an extensive collection of audiobooks through which you can search for your favorite book and listen to it in your native language right at your fingertips.
Memo.ai - Simple and elegant notes app on your Mac
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.
Better Notes - Simple notes app that ties notes together with #hashtags
Pocket Notebook - Pocket Notebook is an app by Wolters Kluwer Health LRP that comes up with features through which medical students can clear all their doubts about medical terms right on their mobile phone screen.