Link Whisper - Building smart internal links just got easier
espanso - An Open Source, Cross-platform Text Expander on steroids
WordPress Internal Link Optimiser - A internal link optimiser and finder tool for WordPress SEO
Beeftext - Beeftext is an open-source text substitution tool for Windows.
LinkStorm - Optimize your internal linking
Texpand - Expand keywords to reduce keystrokes on Android devices.