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unbuilthub

Idea library

Business ideas & startup ideas to build in 2026

Real business ideas from founders around the world, each with the problem, the solution, the business model and the people the founder needs. Find one to build, join a team, or share your own for free.

Business ideas by category

Mobile app ideasApp ideas for Android and iPhone, from everyday tools to marketplaces in your pocket.6 ideasWeb app ideasIdeas for websites and web apps people would use every day, many buildable by a small team in weeks.3 ideasSaaS business ideasSoftware-as-a-service ideas with recurring revenue: tools businesses would pay for every month.6 ideasMarketplace business ideasIdeas that connect buyers and sellers, or people who need something done with those who can do it.6 ideasE-commerce business ideasOnline store and direct-to-consumer ideas, from niche products to new ways of selling online.1 ideaPhysical product ideasProducts you can hold: consumer goods, kits and things made in small workshops or factories.1 ideaService business ideasBusinesses built on doing something for people: local services, on-demand help and expert work.6 ideasFood business ideasIdeas for food and drink businesses: cloud kitchens, meal kits, farm-to-table supply and more.2 ideasHardware startup ideasIdeas that need sensors, devices or machines, often solving real problems in farming, energy and health.2 ideasSocial impact business ideasSocial enterprise ideas that make money while helping people and the planet.1 idea

Popular startup ideas right now

See all ideas

Mobile App

Just an idea

Language exchange app matched by profession

Practise a language with people in your industry — doctors with doctors, engineers with engineers.

DeveloperDesigner
UT

UnbuiltHub Team

20h ago

🇩🇪🇯🇵+31

Service

Just an idea

Elder-care companion visits on demand

Trained companions visit elderly parents while their children live abroad, with photo updates.

Co-founderMarketer
UT

UnbuiltHub Team

yesterday

🇵🇰🇮🇳+20

Web App

Just an idea

Co-living finder for digital nomads

Verified co-living spaces with honest reviews about Wi-Fi speed, community and noise.

MarketerDesigner
UT

UnbuiltHub Team

yesterday

🇵🇹🇮🇩+30

Physical Product

Just an idea

Rainwater harvesting kits for homes

DIY rainwater collection kits with installation guides and local installer network.

SalesDomain Expert
UT

UnbuiltHub Team

2d ago

🇮🇳🇵🇰+10

Service

Just an idea

Mobile vet clinic van booking

Book a vet that comes to your home, with transparent prices and digital pet records.

Co-founderInvestor
UT

UnbuiltHub Team

2d ago

🇦🇪🇬🇧+10

Business ideas by country

Startup ideas looking for…