
Buttondown
7.6#2 in indie hacker toolsFrom $9 a monthFree planWebAPI
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Buttondown suits people who want web-based email tools with automation, segmentation, and landing pages. The free plan is suited to lists of up to 100 subscribers, while the listed paid tier accommodates up to 1,000.
Stibee suits people and teams sending newsletters, product updates, or conditional automated emails. Its free plan may suit smaller lists, while paid plans accommodate unlimited sending.