Answer real questions. Never drop a bare link. There are 6 in this list, 6 of them free or with a free tier. Every entry shows what it costs, how much work it takes, and links straight to the submission page.
Post how to embed your tool calculators in Ghost after /embed live.
Publish useful n8n workflow linking your tool resources.
Post to relevant subs with context: SideProject, SaaS, webdev.
Publish a detailed hardware or IoT project that genuinely uses your tool, with code, parts, instructions and an external tutorial link where useful.
Publish backlink tracker/content calendar template.
Post build updates with profile/site link.