Best Stealth Startups (2026)

Alloy Automation is an integration development platform for product teams to more quickly launch ERP, CRM, commerce, and other key SaaS integrations. Companies

Island Analytics helps small and growing businesses replace gut-feel decisions with clear, connected information, reducing repetitive work and building useful digital experiences.

Reducto is an AI document intelligence platform that transforms complex, unstructured documents into AI-ready data for enterprises.

Nexlist AI is an AI-powered content and SEO platform that helps businesses generate SEO-friendly content, product listings, and blog articles across various platforms.

AI-powered repair shop software for independent phone, tablet, computer, game console, and board-level repair shops in the United States.

Personal consulting for a ChatGPT setup that fits your actual work, including context, data foundation, process, and quality control.

Subscription skill packs for AI agents from experts, automatically updating after a one-time connection.

Amivara Ecosystem: Geolocation Advertising & Digital Mapping Software Amivara combines the digital mapping infrastructure of LandBits with the interactive geolocation gaming application of Surpri

AI-powered mobile application for personalized plant care, offering diagnostics, tracking, and reminders based on individual plant history.

Agencia de tecnología. Automatizaciones con IA, software a medida, web, publicidad y marketing para negocios que quieren dejar de perder tiempo en procesos manuales.

Give your AI agent a persistent cloud computer and keep your own laptop free.

Manage IAM roles, VPCs, RDS instances, S3 buckets, Lambda functions, KMS keys, ECR repositories, DynamoDB tables, and more — 1,061 AWS resource kinds (246 native, 815 generated from the CloudFormation

Dictez tout ce que vous voulez confier à vos équipes. L'IA découpe le vocal en tâches assignées, l'équipe valide, Ditodo suit les échéances, les charges et les retards.

319 free calculators for everyday decisions. Every answer shows its work.

Hand-coded websites for small businesses. Built to load fast, read well on a phone, and bring in enquiries.

puzzlez is a calm, easy to learn, hard to master puzzle game about building small production lines in compact 3D spaces. 75+ handcrafted puzzles, many valid solutions, a built-in editor. Coming 2027 t

PitToPit turns a tape measurement into a burned-in photo overlay and ready-to-paste listing text for Vinted and eBay sellers.

Run every client site from one back-office. Three ready structures or import your own HTML design. AI-assisted articles, SEO built in. 7 days free.

IntentReach е AI-native рекламна агенция с основна специализация в ChatGPT Ads и управление на Meta Ads, Google Ads и рекламно ориентирани сайтове.

Jonathan Tsai's personal AI assistant / doppelganger.

GalleyMate is an all-in-one galley management platform for superyacht chefs, offering meal planning, provisioning, guest profiles, and food safety logs.

German-based smart home company making Matter-over-Thread smart thermostats for Europe

flow ai video generator online free

Developing technology that converts waste into biogenic fuels and energy, with a focus on reducing emissions from the maritime sector

Developing vaccine-based immunotherapies for recurrent bacterial infections, initially targeting recurrent Clostridium difficile infections

Developing biological pest control solutions designed to protect crops while reducing environmental and biodiversity impacts

developing treatments for inflammatory diseases, initially targeting psoriasis

AI-powered 3D ultrasound technology that enables surgeons to assess cancer tissue in real time during surgery

Intelligent enterprise automation platform built for artificial intelligence

Here at The Melt, we believe when you melt with honest ingredients, amazing flavors come naturally. Knowing there are no artificial colors or flavors, no preservatives or no high-fructose corn syrup i

A machine learning framework and research project focused on generating neural network models and building AGI.

Atlas Chiropractic offers upper cervical care, atlas orthogonal adjustments, and personalized treatment for pain relief in Lynnwood, WA.

a biotechnology company pioneering continuous-flow RNA manufacturing technologies

YOUth runs holistic health checkups in < 2 minutes from a smartphone. With a face video, voice recording, and an eye picture YOUth screens the health of 7+ orga

WSENSE has developed an underwater communication cabless system with pioneering patented solutions in the IoUT.

Vitroscope is bridging the gap between laboratory cell biology findings and real-world human patient outcomes.

The femtech startup that offers a complete line of sustainable menstrual products, aimed at promoting gender equality through services and products that support

StepsConnect aims at connecting the new generation of talents with companies, helping them to reach an audience they could never reach using their current strat

Rosso aims to eliminate blood emergencies over the next 10 years, accompanying donors throughout the entire donation experience.

ReWind is revolutionizing wind energy with the first fully recyclable, modular blades. Designed for turbine manufacturers and repowering operators, our technolo

RECO2 has patented an industrial process that transforms industrial by-products into innovative new building materials.

Prometheus is pioneering the way for a water-based reactor that can generate substantial amounts of energy harnessing a LENR phenomenon, with zero carbon emissi

Planckian exploits quantum physics to achieve efficiency in energy manipulation.

Nova is the global top talent network that connects the top 3% of talents amongst themselves and with the best professional opportunities.

With the goal of decarbonizing the construction industry, Mykor addresses 18% of global carbon emissions through its innovative insulation panel, MykoFoam. Made

Moonai improves menstrual pain management, sleep patterns and mental health with one app, based on Neuroscience and Cognitive Behavioural Therapy (CBT).

MindAhead is a digital tool for the early detection and digital therapeutics of cognitive impairment.

Midly restores value to music art, with a platform that reduces the distance between fans and artists.

Messium uses new hyperspectral satellites to revolutionise crop nutrition.

Make it REAL is a generative AI software that enables fashion brands to produce photoshoots where nothing is real — except the product.

Luna is the world’s first health and well-being companion tailored to adolescents that provides medically-backed content to empower teens, making their growth a

Limenet captures and stores CO₂ in the form of calcium bicarbonate in the sea, fighting ocean acidification.

Kelpi is a material innovation company, starting with seaweed, its bioplastic coating provides a world-leading water barrier, that offers a real alternative to

Jack Fertility's at-home sperm test kit makes it easy and convenient to get reliable results about the status of male fertility from the comfort of one’s home.

InSilicoTrials provides a Modeling and Simulation platform using AI and silico techniques to predict clinical trial outcomes, reduce time and cost for R&D and e

To make products that inspire people to feel confident and empowered about their menstrual cycle and sex life, free of any dyes and chemical and made from organ

Hephaestus is developing the world first AI tools to accelerate fusion design by over 3x and deploy 100 nuclear fusion reactors by 2035.

Heero is the voice-based AI language tutor empowering learners to confidently navigate a multilingual world. With 5 languages and 17 accents, students choose to