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Building the product · 13 of 110 stories
TypeScript
A programming language from Microsoft that adds static types to JavaScript: a compiler checks the types before the program runs and then outputs plain JavaScript.
Who uses it, and for what
One row per story. The grade is for the claim that the business uses this tool, not for its revenue.
| Story | What it does there | When | Cost stated | Grade | Source |
|---|---|---|---|---|---|
| Postiz | Main programming language of the open repository. | B | GitHub repository gitroomhq/postiz-app, metadata read 12 October 2026 | ||
| Jenni AI | Main programming language of the web application, named in the Tech Lead job post. | C | David Park on X, 9 July 2024: We are hiring a Tech Lead at Jenni AI | ||
| Neural Frames | Named with Python and React as the stack in the February 2025 job post. | C | A public page outside the story's source list | ||
| AI Toolbox | Programming language named in the founders' TrustMRR tech list. | C | TrustMRR markdown profile: AI Toolbox, synced 14 October 2026 | ||
| Visualizee.ai | Programming language of the front end, in the founder-written tech stack on TrustMRR. | C | TrustMRR markdown profile: Visualizee.ai, revenue synced 14 October 2026 | ||
| Lancer | Programming language of the frontend, as listed in the founder-entered tech stack. | C | TrustMRR: Lancer.app, data as of 15 October 2026 | ||
| 1ClickWebsite.ai | Programming language of the web app, according to the founder-written tech stack on TrustMRR. | C | TrustMRR, 1clickwebsite.ai profile (Stripe-verified revenue, data as of 15 October 2026) | ||
| Launch Fast | Programming language of the app. | C | Starter Story, 5 January 2026: I built a $25K MRR app with Cursor | ||
| Sleek | Programming language of the frontend. | C | TrustMRR: Sleek, Stripe-verified revenue and sale listing | ||
| Setter AI | Programming language of the web app. | C | TrustMRR: Setter AI LLC, verified revenue profile | ||
| Kleo | The programming language of the rebuilt web app. | C | Lagless Portal (note.com), 19 July 2026: Issue 86: $62k MRR in 3 months with zero ads and zero Product Hunt | ||
| Skillry | Programming language of the website frontend, in the founder's tech-stack list. | C | TrustMRR markdown profile: Skillry, synced 15 October 2026 | ||
| Laper | Front-end language, in the seller's TrustMRR tech stack. | C | TrustMRR profile of Laper, revenue read from Stripe by API key |
Grade A: the tool's maker or a payment processor confirms the use. Grade B: an independent report, or the tool is visible in public code. Grade C: the founder or the company says so.
Used in the same businesses
Other tools in the stories above, with the number of stories that share both.
Other tools for the same job
Building the product, with the number of stories that use each.