Developer Tools Exits

RealEmail was an email-verification and validation tool that reduced bounces for senders; founder Stephen Nancekivell sold it for a five-figure sum on Acquire.com.

Turnkey WordPress developer tool that automates plugin generation, sold with brand, domain and codebase. Sold on Flippa to a buyer in Switzerland.

Data scraping tool that automates web scraping and data workflows; sold as a small indie product on Acquire.com and later grown by its buyer to roughly $1.7M ARR.

A tool to build product landing pages directly inside a Notion workspace, made by Karthik; reached #2 Product of the Day on Product Hunt and was acquired for a four-figure sum.

A Notion call-to-action widget builder (Actions.so) made by Nandha; acquired within ~2 weeks for a mid four-figure sum.

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

AI-powered ChatGPT Chrome extension for managing and organizing ChatGPT conversations with built-in monetization features. Listed and sold on Flippa.

Chrome extension for price checking and comparison across e-commerce platforms. Helps users find the best deals. Sold on Flippa marketplace.

Chrome extension with 17,000+ weekly active users, providing browsing functionality and features for users. Sold on Flippa marketplace.

Link-in-bio page builder, short URL shortener, and QR code generator for marketers. Indie hacker project acquired by fellow founder for $50,000 via seller financing in April 2025.

Chrome extension for organizing and managing browser tabs. Built as a side project over a weekend to solve personal productivity issues. Sold for $500 after six months of operation.

A WordPress plugin portfolio with 30+ free and premium plugins serving 17,000+ pro customers, founded as a side hustle and grown into a profitable micro-SaaS.

An AI vibe-coding tool that helped developers build full-stack apps. Founder Itay Elgazar grew it to around 7k MRR and sold it for 350,000 dollars on Acquire.com.

Daily coding-challenge platform for frontend developers; founder Florin Pop sold it for $50,000 after roughly two years and about $67k in total revenue.

Open-source KVM-over-IP device that lets you remotely control any computer from a browser — no software installation on the target machine.

API for capturing website screenshots at scale

Open-source platform to collect and prioritize product feedback. Quietly earned the founder about $1,000/month for three years before selling on Acquire.com.

Boilerplate Next.js starter kit for SaaS founders

Security monitoring and bug tracking platform for apps built on Bubble.

Beautiful screenshot annotation tool for macOS — one-click cleanup and branding for product shots.