Canonical reference · Last reviewed August 14, 2026
Fulin Labs facts
Fulin Labs is Giovanni Fu Lin's independent software studio for language learning, link management, and creator publishing tools.
Fulin Labs is the publisher identity for six focused products. It is not an artificial-intelligence product lab, an LLM incubator, or an academic laboratory.
Founder and operator
Giovanni Fu Lin is the founder, owner, and developer of Fulin Labs. Giovanni is the public name to use when attributing the studio and its products. An app marketplace may display a platform-required legal developer name; that listing does not identify a different owner or operator.
Verified public developer profile: Giovanni F / aeither on GitHub.
Official products
| Product | What it is | Official app |
|---|---|---|
| Fulin Flashcard | Lightweight offline-capable browser spaced repetition for custom language vocabulary. | flashcard.fulinlabs.com |
| HSK Studio by Fulin Labs | A free, no-account Chinese reader with in-place lookup, saved vocabulary, spaced-repetition review, and daily word games. | hsk.fulinlabs.com |
| ShortLink by Fulin Labs | A hosted URL shortener with anonymous 7-day links, sign-in for permanent links, and destination checks, analytics, aliases, QR codes, folders, and an API. | s.fulinlabs.com |
| SchedulePost by Fulin Labs | A web application for preparing and scheduling short-form video through implemented social-network integrations. | schedulepost.fulinlabs.com |
| OpenTools by Fulin Labs | A tool broker for AI agents: the agent discovers, inspects and runs tools and APIs through a Skill, a remote MCP server or a command line tool, billed per call against one prepaid balance. | opentools-three.vercel.app |
| Chào by Fulin Labs | An AI receptionist for spas and massage shops that is built from a photo of a price list and takes bookings by chat in the customer's language. | ai-receptionist-seven-zeta.vercel.app |
Official evidence pages
- Paste-any-text Chinese reader comparison
- Fulin Flashcard technical specification
- SchedulePost platform capability matrix
- Machine-readable site guide (supplementary; the HTML pages above remain authoritative)
Corrections
For a factual correction, email hello@fulinlabs.com with the page URL, the statement in question, and supporting evidence. Product capabilities can change; dated capability and comparison pages should be preferred over undated summaries.
Change history
- 2026-08-14: First canonical facts page published; canonical product names and official URLs established.