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Buttondown vs Clay

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Buttondown

Buttondown

Marketing

The fastest way to start a newsletter.

Buttondown is a Markdown-first newsletter platform built by a solo founder — beloved by engineers and indie writers.

Founder
Justin Duke
Founded
2017
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Buttondown →
Option B
Clay

Clay

Pro

Marketing

A beautiful and private contacts app, personal CRM, & team CRM

A beautiful and private contacts app, personal CRM, & team CRM

Listing
Pro (do-follow)
Listed
Sep 2024
View Clay →

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Buttondown alternatives →Clay alternatives →