Paras Chopra
Startup ideas worth stealing.
233 startup ideas from X's best builders, sorted so you don't have to dig.
Ideas belong to their authors. IdeaBank curates and links to the originals.
Curated: long-game picks first, then each author’s stand-out posts, then the rest. Newest first in each group.
Consumer Apps
Notes on your phone's lock screen
shirish
Social & Community
Social profiles that become AI-generated podcasts from fan questions
Paras Chopra
GREG ISENBERG
Media & Content
AI meme studio that spots trends and auto-posts
shirish
GREG ISENBERG
Paras Chopra
Health & Fitness
Gym membership that gets cheaper when you show up
shirish
Social & Community
24/7 virtual coworking focus rooms
shirish
Health & Fitness
Sleep tracker that charges you for scrolling past midnight
shirish
Fintech & Investing
TaxGPT: the first tax-filing app inside ChatGPT
The Startup Ideas Podcast (SIP) 🧃
Media & Content
VR games from non-human perspectives (bat, bee, 4D)
Paras Chopra
AI & Agents
Natural-language programmable WhatsApp bots
Paras Chopra
Health & Fitness
Memory-training app for richer recollection of your past
Paras Chopra
Marketplaces & Services
Marketplace to resell unused subscriptions
shirish
Developer Tools
LLM-as-a-judge API with research best practices
Paras Chopra
Developer Tools
GitHub for one-shot Claude Code app prompts
Paras Chopra
Social & Community
App where women share red flags about guys they dated
shirish
Social & Community
Pay $1–10 to rename a website for 10 minutes
shirish
Research & Other
Research: predict embeddings of next paragraphs to speed up LLMs
Paras Chopra
GREG ISENBERG
Education & Learning
Duolingo for curiosity: snap a photo, learn a surprising fact
Paras Chopra
GREG ISENBERG
Education & Learning
Turn top AI papers into interactive notebooks
Paras Chopra
Social & Community
"Chemistry" dating app: video call before any IRL date
GREG ISENBERG
GREG ISENBERG
Marketplaces & Services
Third-party trivia-night operator for bars and companies
GREG ISENBERG
Marketplaces & Services
A bootstrapped, profitable WeWork competitor
GREG ISENBERG
GREG ISENBERG
Media & Content
A horror movie set inside a cinema hall
Paras Chopra