Unlimited access to App Store optimization for Mac and Windows with no subscription.

A profitable organically grown subscription-based iPhone Japanese learning app with no costs except Apple Proceeds and a differentiated Lock Screen learning experience. The product is mature, polished, and designed for recurring daily engagement, with clear expansion potential across content, localization, and lifecycle marketing.

ChatDash is a white-labeled AI assistant dashboard solution tailor-made for agencies, enabling them to provide clients with a customizable, brandable interface for managing their own Knowledge Bases. This platform enhances the value agencies offer by saving them time on Knowledge Base maintenance and allowing for higher ticket pricing for their AI chatbot services. With plans catering to various agency sizes, from small startups to established firms, ChatDash combines full Voiceflow and OpenAI Assistant API integrations with dedicated support, offering a premium, branded client experience across the board.

GetXAPI is the cheapest Twitter API and X API. $0.001 per call returns ~20 tweets ($0.05 per 1,000). Fetch tweets, profiles, followers. No dev account.

Language learning & education technology

Penmo plans and creates content that helps businesses turn interest into customers. We build connected content funnels using blogs, landing pages, emails, case studies, and social posts, with human writers handling research and writing in each client’s voice. Businesses and agencies get ongoing content through monthly plans. A built-in platform handles billing, project requests, writer communication, reviews, and delivery.