We dove deep into launch directories, developer forums, and obscure product-hunt threads to unearth a trove of AI startups that most tech pundits haven’t even tweeted about yet. Each one is a spark of ingenuity—whether it’s automating industrial safety checks with computer vision, spinning studio-grade product photos from a single phone snap, or deploying plug-and-play autonomous agents that actually finish tasks for you.
None of these companies has hit the front page of TechCrunch, but every one carries the kind of “why didn’t I think of that?” momentum that can upend a niche overnight. Consider this your private pre-IPO tour of tomorrow’s AI heavyweights—complete with one-line pitches and direct links so you can kick the tires yourself.
Why an “underground” AI list matters
While headlines fixate on billion-dollar giants, the *next* breakthroughs are often brewing in small, fast-moving teams. We scraped TinyLaunch’s sitemap, verified every domain, and hand-picked 35 startups that:
- Have working, public-facing products,
- Play in stealth-friendly or niche markets, and
- Aren’t yet splashed across TechCrunch or Hacker News.
Use the directory to spark investments, collaborations or a weekend hack session.
The Directory
| # | Startup | One-liner |
|---|---|---|
| 1 | TypeThinkAI | Multi-model chat hub (GPT-4o / Claude / Bedrock) with side-by-side answers. |
| 2 | Swapcode AI | Converts, explains & refactors code between languages 10× faster. |
| 3 | Seede AI | Generates poster-quality graphics from a text prompt in < 60 s. |
| 4 | Caviard.ai | Chrome add-on that masks PII locally before your prompts hit any LLM. |
| 5 | Synexa AI | One-line deploy & autoscaling for 100 + open-source models. |
| 6 | Describe Picture | Turns any image into a detailed, reusable text description. |
| 7 | ProductLab.so | Shoots studio-grade e-commerce photos from a phone snap. |
| 8 | Image-to-Video AI | Animates still photos into short videos—8 free credits/day. |
| 9 | AI Renamer | Batch-renames files based on visual or textual content. |
| 10 | Lume-AI | “2× faster than ChatGPT” multi-model chat with a slick UI. |
| 11 | Mindbox AI | Unified workspace for GPT, Claude & Llama—no multiple subs. |
| 12 | viAct.ai | Vision-AI safety system for construction & high-risk sites. |
| 13 | AI Trading Predictor | Real-time forecasts for stocks, crypto & commodities. |
| 14 | SaaS Forge | Fires off hundreds of niche micro-SaaS ideas at a click. |
| 15 | Saidar | “50-app” AI secretary that sets reminders, emails & more. |
| 16 | Generate Ads AI | Writes & designs high-converting ad creatives in seconds. |
| 17 | AI Agent Store | Marketplace of ready-made autonomous AI agents. |
| 18 | Attention Insight | Predictive eye-tracking heat-maps to validate designs mid-flow. |
| 19 | MyPicNow | Generates pro headshots from a handful of casual selfies. |
| 20 | AI Music Generator | Browser studio for instant, royalty-free music. |
| 21 | MagicRedact | One-click AI redaction for PDFs & images—detects PII automatically. |
| 22 | AI Stem Splitter | Separates vocals / drums / bass from any song. |
| 23 | Rime | TTS engine that gives every voice a distinct “personality.” |
| 24 | Twyn | No-code platform for building complex “digital-twin” simulations. |
| 25 | Calldock | AI voice agent that instant-calls website leads & books meetings. |
| 26 | LiftmyCV | Finds openings & auto-applies with tailored CVs while you sleep. |
| 27 | oo.ai | Real-time AI search engine that fully cites its sources. |
| 28 | Briano AI | Conversational agent that executes bookings & shopping. |
| 29 | EasyInterior AI | Snap a room & get photoreal redesign mock-ups instantly. |
| 30 | Draft Alpha | Generates complete visual brand identities from a prompt. |
| 31 | Little Workflow | Drag-and-drop blocks to build multi-step AI workflows. |
| 32 | Vecting | Produces viral YouTube thumbnails from one line of text. |
| 33 | Plutonic | Ultra-quick no-code builder for chatbot & mini-app LLMs. |
| 34 | AI Chess Coach | Analyzes your games & drills weak spots like a personal GM. |
| 35 | Feednap | Collects user feedback with AI summaries & prioritization. |
Need more inspiration? You’ll find it all in the Best Articles from HumAI Blog: Thematic Catalog.
