Simple, cheap and open-source web analytics.
Get in touch with the owner to discuss the tech stack, market size, or just make an offer!
Public & private nested lists of text, links, & images. Collaborate with others.
Low owner involvement SaaS opportunity for an accessible price. Combine ad networks, track impressions and block bots for more ad revenue.
Quiz maker for teachers to create their own tests, assign points, password protect quizzes, monitor results and export to CSV. Had a couple of initial launch sales, and one sale every once in a while, but I've had no time to market and promote this.