GeoFill
Batch geocoding in bulk: a column of addresses to latitude, longitude and a clean address, or GPS coordinates back to addresses (reverse geocode). 100 a day free. Reaches only the sheet you use.
Pro $4.99 a monthInstall add-on
Workspace add-ons
Add-ons for Google Sheets™ and Slides™ on the Google Workspace™ Marketplace. Free to start, with Pro by the month or year through Stripe.
ColorSum
Count, sum and average colored cells by fill color or font colour, from a sidebar or as formulas like =SUMBYCOLOR(A2:A50, D1) that refresh when a color changes. Only reaches this spreadsheet.
Pro $3.99 a monthInstall add-on
EventFill
Create Google Calendar™ events in bulk from sheet rows, and import or export a calendar to a sheet. Rerun it: events update, no duplicates. All-day or timed, guests, colors. 50 events a day free.
Pro $4.99 a monthInstall add-on
PhotoFill
Import photos from Google Photos™ into Google Slides™ in bulk: a slide each, or two or four a slide, full quality up to 4K, in the order you picked or by date taken. Captions. 30 photos a day free.
Pro $5.99 a monthInstall add-on