Write where there's room.

See what Medium & Substack writers are publishing — and where there's room for you. WriterSpy reads public feeds from 30 Medium tags and a set of Substack newsletters and turns them into topic trends, a publication finder and a headline checker.

WriterSpy has collected 329 articles (189 Medium, 140 Substack) from 37 public feeds since 25 Oct 2026.

Busiest Medium tags this week

Estimated Medium stories per day, by tag (median of this week's feed snapshots)
TagStories per daySnapshots
Artificial Intelligence7021
Relationships4431
Self Improvement4251
Mental Health3231
Technology3051
Psychology3031
Writing2761
Business2061
Money1811
Entrepreneurship1701

All 30 tags with trends and paired tags

Just published

Publications publishing the most writers

Medium publications by number of different writers, last 30 days
PublicationWritersPostsMain tagsLatest post
Illumination44psychology, self improvement, art, creativity
Catharsis Chronicles33catharsis chronicles, poetry, time, competition
The Gravity33business, crypto marketing agency, crypto marketing, life lessons
python.plainenglish.io13programming, data science, artificial intelligence, productivity

Full publication finder

Data updated . Calculated from public RSS feeds; see how it is measured.