PHP library sold to developers
Wrote a PHP library and sells licenses to developers, getting a few sales a year.
At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
- Category
- Digital products72% surex
- Earns from
- One-time sales90% surex
- Startup cost (estimate)
- Under $100Low confidence55% surex
- Time it takes (estimate)
- Hands-off93% surex
- Where
- Online98% surex
- Coding
- Needs coding97% surex
Source
Hacker NewsComment by qzervaas in “Your best passive income? (2014)”, January 21, 2014
More digital products ideas
- Digital productsCo-wrote a Spring Boot and AWS e-book with a companion online course, sharing the income among authors.Hands-offOnlineHacker News, 2024
- Digital productsA template for a note-taking app with a user guide and video course based on the owner's personal system, sold to customers.Hands-offOnlineHacker News, 2024
- Digital productsWrites a newsletter of real-world projects for learning programming, and sells paid courses.OnlineHacker News, 2024
- Digital productsCreated an online course teaching DevOps to small companies and self-hosters, which keeps selling even against bigger instructors.Hands-offOnlineHacker News, 2024
- Digital productsWrites and self-publishes science fiction romance books on the side.Under $100OnlineHacker News, 2022
- Digital productsWrote and sells a technical book on deployment that shows the steps without higher-level tools.Hands-offOnlineHacker News, 2022