Link Whisper

Link Whisper is a WordPress plugin that automates and simplifies internal linking. It suggests relevant internal links as you write posts and provides reports to audit and improve your site's internal link structure. Strong internal linking is a crucial but often neglected SEO tactic. This tool is perfect for bloggers and content-heavy startup sites looking to boost page authority and improve crawl efficiency.

Pricing is a one-time fee starting at $77. It scores for its focused utility, ease of use, and effectiveness at solving a specific, important SEO problem that larger tools often overlook.