FounderSold Database

Indie newsletter acquired by Seedscout founder Mat Sherman for roughly one month of its expected revenue, based on open and click-through metrics.

Startup-curation newsletter covering early-stage trends, founder launches, and investor news; reached ~36,000 subscribers and ~$50K in sponsorships in under a year before being acquired.

B2B newsletter reviewing sales tools, earning roughly $4,000/month from sponsorships; acquired by a competitor in the same vertical within 14 days of listing.

Fully automated, AI-generated newsletter built by a solo founder in Portugal with 146 paying subscribers; sold as a documented, zero-touch business.

Curated newsletter of insights, tools, and news for product managers; grew to ~20,000 subscribers through SEO and referrals before being acquired.

Readlang is an indie language-learning web app for reading foreign-language texts with inline translations, built by solo founder Steve Ridout. It was acquired by Duolingo in an undisclosed small deal (Ridout later bought it back).

Nureply was an AI cold-email automation and personalization SaaS; founder Onur Genes turned an internal agency tool into a product and sold it on Acquire.com within a week to a buyer specializing in email products.

A micro-SaaS that surfaced Intercom customer-support metrics inside Slack; sold for $27,000 at roughly $400 MRR by founder Noah Bragg.

White-label AI ChatGPT chatbot SaaS that lets owners set user spending limits and monthly fees on their own website. Sold on Flippa, seller in Sweden to a US buyer.

Subscription-based AI image-generation SaaS that lets users create and sell custom AI images. Sold on Flippa, seller in India to a buyer in Australia.

SaaS invoice, receipt and quote generator with direct email delivery, sold on its exact-match Invoices.site domain. Sold on Flippa, seller in Pakistan to a US buyer.

WordPress-focused SaaS/internet tool. Sold on Flippa, seller in the US to a buyer in Germany.

Shopify app with 110 paying subscribers generating about $1,960/month at 94% margin. Sold on Flippa.

Fully automated SaaS for generating YouTube Shorts, producing about $6.5K monthly profit at 73% margin. Sold on Flippa, seller in the US to a buyer in Canada.

AI-powered pickup line generator built by Rushab Jain, sold through the Acquire.com marketplace as part of four micro-startup exits in one year.

Bot for the game Stardew Valley, sold on the Microns marketplace for $150 — the lowest-priced completed sale on the platform.

Multi-cloud backup micro-SaaS launched in 2018 with 70 customers and $7,000 ARR, built in Go and Angular; sold on Microns for $40,000 — the marketplace's highest completed sale.

AI academic assistant helping students and researchers write essays and cite papers; sold on Microns for $3,000 with 2 paying customers and $480 in annual revenue.

Subscription CMS that let design agencies build and manage web pages; after 11 years and 200+ subscribers with $2,250+ monthly profit, it sold for $55,000 on Flippa.

Social media micro-SaaS built by Rushab Jain, sold via the Tiny Acquisitions marketplace as one of his four micro-startup exits in a single year.