Which free résumé tools do you trust? - what worked for you?

I am tracking my applications in a notebook and want something better. It has been weighing on me all week. A spreadsheet with dates and follow-ups worked a little. Are there tools to avoid?

Use a plain one-column résumé with standard headings. Mine got more replies after I simplified it.

Your library may offer free access to paid learning and résumé services. Mine did.