FriendFilter and GroupFilter are established Chrome extensions for Facebook friend and group management. $11.3K MRR / $135.6K ARR from ~390 subscribers. Stack: Rails, Vue.js, PostgreSQL. Recent v7.2.4 maintenance release. Bonus asset: 100K dormant email list (2019–present). Growth levers already built: CWS Featured badge renomination (submitted Q1 2026), SEO landing page, Rewardful affiliate program. Asset sale to buyer's LLC. 30 days transition support included.

The first IT help desk that's free to try and priced by you.

Audn automates external black-box penetration testing for AI companies and enterprises. Existing cyber models are trained mostly on open-source data, while the highest-risk vulnerabilities now sit in closed-source production systems like binaries, public endpoints, network misconfigurations, AI behaviours. We have early pentester usage and a paid pilot with a YC S25 voice AI startup that generated revenue tied to a retailer contract.

Our marketplace allows photographers to sell the photos they take at events directly to participants and attendees. Customers can easily find and purchase their images online, with secure payments and instant digital delivery.

Unified social media API - the only usage-based pricing API in this market. For developers, agents and content management automations. Covering 10+ social network connections with 1 single API.

Web search engine for people's opinions not web pages. Also providing an API to access 24+ social media platforms from a single API key.