What products has Tash Hlanguyo built?

Tash Hlanguyo tracks 3 standalone software products on EarlyLore (3 currently live), led by PromptEngine, Swiftfax, Stackrate.

Tash Hlanguyo

Building productivity tools

First product launched 8mo ago

100% full-depth creator dossier open: complete product portfolio, 12-month combined traffic & MRR curves, shipping cadence, and timeline events.

Products and research metrics
Product	Tagline	Category	Visits · Oct	MoM	Launched	Revenue
PromptEnginepromptengine.businessDesign your AI workflows with absolute precision	Design your AI workflows with absolute precision	Prompts, Evals & LLM Observability	<5K	Prev <5K	2026-03	Undisclosed
Swiftfaxswiftfaxsendfax.appSend Fax Online from Your iPhone in Seconds	Send Fax Online from Your iPhone in Seconds	Phone Numbers & Telecom	<5K	Prev <5K	2026-04	Undisclosed
Stackratestakerate.devGet real feedback on your app from developers who actually understand it	Get real feedback on your app from developers who actually understand it	User Research & Testing	<5K	Prev <5K	2026-04	Undisclosed

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products

What products has Tash Hlanguyo built?: Tash Hlanguyo tracks 3 standalone software products on EarlyLore (3 currently live), led by PromptEngine, Swiftfax, Stackrate.

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