Open-source WordPress framework letting theme authors build Customizer option panels, with 400,000+ installations; David Vongries listed it at $30K and sold it to Themeum for just under the asking price.
This database tracks 190 Developer Tools exits, and the ones that disclosed a price sold at a median of $23,000. Category matters more than founders expect: buyers apply different discount rates to a content business, a mobile app and a B2B tool even at identical revenue.
See how this compares across the market on our market stats page, or browse more Developer Tools exits.