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App$$$Cheap: Roughly under $50, or under $15/month.iA

iA Writer

Plain-text markdown editor with almost nothing on screen

Markdown editing with a typeface, a cursor and very little else on screen. Files stay as plain text on disk, so any other editor can open the same writing. One distinctive feature is a syntax mode that grays out everything except one part of speech, which some writers use to find the adverbs they have been leaning on. Sold once per platform rather than by subscription.

Who backs it

Sorted by strength of stance

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App entry · notes paraphrased from cited sources, quoted excerpts copied from the transcript they link to. Not medical advice. Not affiliated with, endorsed by, or reviewed by anyone listed. How this works.