Offered by Everway , Equatio provides a free tier for creating equations. While it is more geared toward accessibility, it’s a powerful tool for generating formula images.
If you have existing code from other tools, use Object > Insert MathML to paste and render it instantly as an SVG. indesign math plugin free
This is the free version of the well-known MathMagic Pro . While the Pro version integrates directly into the InDesign menu, the Lite Edition is a standalone editor that lets you build equations and save them as images to place in InDesign. Offered by Everway , Equatio provides a free