Who does it serve and what problem does it solve?
An open-source project with 170K+ GitHub stars, free and self-hostable, with content from the community
Target Audience
Regular users and developers of ChatGPT, Claude, Gemini and similar tools who want ready-made prompts
How does it charge?
donationFree; GitHub Sponsors sponsorship and a Gumroad book (price not shown)
The above describes historical pricing. Check official website for current prices.
Where do users come from?
Direct 63.4%, referral 27.5%, brand keywords make up 68.8%, classified as shared results, public profiles/rankings and open-source spread; non-brand search is 0. Referrals come from gitcode.com, zhihu.com and insanelyusefulwebsites.com (about 0.6% each), with a lot of traffic coming from the GitHub project page; social comes from X, YouTube and Instagram. Returning users come back directly to look for prompts.
Channel share, initial acquisition, and growth drivers are distinct; correlation does not imply proven causation.
What remains to be verified?
The following are research questions, not established market opportunities.
- What do target users actually pay for? Is there direct user feedback or paid interview evidence?
- Are these historical prices still active today? What are the conversion, retention, and fulfillment costs?
- Is the "Viral" channel still viable? What resources do indie devs need to test it?
- Whose needs are competitors failing to meet? Find specific evidence before deciding on your angle.