Kit (formerly ConvertKit) is an email marketing platform for creators with newsletters, automations, landing pages, and paid subscriptions. It is free up to 10,000 subscribers; Creator plans start around $29–39 per month. Its affiliate program pays 50% for the first 12 months, then 10–20% by tier, with a 90-day cookie via PartnerStack.
AdCreative.ai is an AI ad creative generator that produces ad banners, texts, and product photoshoots for paid social and display campaigns. Plans start around $21–29 per month. Its affiliate program on PartnerStack pays 30% recurring lifetime commission (tiers to 40%) with a 90-day cookie and monthly payouts.
Ahrefs is an SEO toolset centered on its backlink index, with site auditing, keyword research, rank tracking, and a content explorer. Plans start with Starter at $29 per month and Lite around $99–129 per month (sources vary). Ahrefs does not operate a public affiliate program; it discontinued its program in 2019.
Starter $29/month · Lite ~$99–129/month (sources vary)
Buffer is a social media management tool for scheduling posts, analyzing performance, and managing engagement across channels. A free plan is available; paid plans start around $6 per channel per month. Its partner program pays 25% of subscription revenue for the first 12 months.