AI & Agents
233 startup ideas from X's best builders, sorted so you don't have to dig.
233 ideas · page 4 of 8
B2B & SaaS
Agency turning Google Sheets into interactive apps
AI & Agents
Credit Karma for AI plugins, agents and skills
AI & Agents
"Action apps": mobile apps where agents act for you
Health & Fitness
Duolingo for posture: AirPods-powered slouch tracker
Marketplaces & Services
Directory marketplace for custom LEGO set plans
B2B & SaaS
Self-hosted Postiz as AI social-media management for one SMB niche
Education & Learning
The Drawing Coach: daily lessons with AI sketch critique
B2B & SaaS
Defences against AI-powered phishing and data breaches
Developer Tools
Git Trophy: 3D-printed trophy of your GitHub contribution chart
Consumer Apps
iOS app that teaches you how to pose in photos
Research & Other
Multiplayer war-game Elo leaderboard of sovereign AI models
Marketplaces & Services
Personal dark store: 10-minute delivery of your own stored stuff
Research & Other
Order rain to your exact location in 30 minutes
AI & Agents
AI-navigated personal database of strategies saved from social media
AI & Agents
Claude Code agency for a niche industry
B2B & SaaS
The SaaS Canceller: find and kill unused subscriptions
Consumer Apps
Paper "YouTube feed" for kids: QR cards, no ads, no algorithm
B2B & SaaS
"Open Granola": local-first, bot-free meeting notes in markdown
Marketplaces & Services
Fiverr for AI agents
Health & Fitness
Niche apps on an open-source all-wearables health data layer
B2B & SaaS
Ad attribution that actually proves ROAS (incl. influencer deals)
Education & Learning
Edutainment that turns Anthropic's AI course into addictive short content
Fintech & Investing
AI portfolio tracker linking live news to your holdings
AI & Agents
Disposable email, phone and cards for AI agents
Health & Fitness
Protein-focused café and meal subscription
AI & Agents
LinkedIn for AI agents: identity, reputation and discovery
Consumer Apps
New-tab extension with quotes relevant to your LLM chats
AI & Agents
An AI ads agency
B2B & SaaS
Deepfake-proof video KYC for government services
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