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Startup ideas from Hacker News technical discussions

Hacker News is a high-leverage signal source for technical workflows, developer bottlenecks, and early market shifts.

Authority and data freshness

AI agents scan recurring complaints and workflow friction from Hacker News, Show HN, Ask HN. Ideas are scored for demand, competitiveness, and solo-founder execution risk.

Updated daily. Last refresh: February 22, 2026.

Who this is for

Technical founders scanning for high-signal workflow pain.

Top opportunities in this keyword cluster

Problem summary, target user, demand signal, and opportunity score.

Browse full library
Food & Lifestyle 9.5/10

PantryChef

  • Problem summary: The #1 cooking complaint across Reddit: staring at a full fridge with no idea what to make. Every recipe app starts with 'search for a recipe' — backwards. People want to...
  • Target user: Cooking and Meal Planning teams
  • Demand signal: Hacker News; search interest: Breakout
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Business & Productivity 9.5/10

GhostFax

  • Problem summary: The online fax market is $4.18B in 2024, projected to $12.52B by 2031. 70%+ of US healthcare providers STILL depend on fax. Legal firms, government agencies, and real est...
  • Target user: Healthcare and Legal teams
  • Demand signal: etherFAX / Healthcare IT research; search interest: High
Read full analysis
Pet Industry 9.4/10

BreederOS

  • Problem summary: Small dog breeders manage waitlists, health records, AKC paperwork, buyer communication, and deposit tracking across sticky notes, Excel, and text messages. One breeder h...
  • Target user: Dogs and Pets teams
  • Demand signal: Honest Dog Breeder Podcast
Read full analysis
Consumer AI 9.3/10

GlowAI

  • Problem summary: AI photo apps are the #1 consumer AI revenue category. Remini generated $200M+ in total revenue with 450M downloads. Lensa earned $50M from Magic Avatars alone, peaking a...
  • Target user: AI and Photo/Video teams
  • Demand signal: Danny Postma (@dannypostma); search interest: Breakout
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Ecommerce Tools 9.3/10

ShopPulse

  • Problem summary: TikTok Shop sellers face a 15-40% revenue-to-deposit gap after platform fees (6% referral), payment processing (2.9% + $0.30), affiliate commissions (10-20%), refund admi...
  • Target user: TikTok and Ecommerce teams
  • Demand signal: Napolify TikTok Shop Analysis; search interest: Breakout
Read full analysis
Social & Career 9.3/10

NotLinkedIn

  • Problem summary: LinkedIn has become the cringe capital of the internet. r/LinkedInLunatics has 903K members and nearly quadrupled in 2 years. There are 13.4M LinkedIn parody posts on Tik...
  • Target user: Anti-LinkedIn and Career teams
  • Demand signal: BNN Bloomberg / Reddit; search interest: High
Read full analysis
Health Tech 9.2/10

VitalStack

  • Problem summary: Bryan Johnson takes 100+ supplements. Regular biohackers take 20-50. Managing timing, interactions, dosage cycling is overwhelming. 65.8% of people forget supplements. No...
  • Target user: Biohacking and Supplements teams
  • Demand signal: r/biohackers
Read full analysis
Ecommerce Tools 9.2/10

ShopGuard

  • Problem summary: TikTok Shop rejects more seller applications than it accepts due to preventable documentation errors. The violation points system is brutal: 12 points = listing suspensio...
  • Target user: TikTok and Ecommerce teams
  • Demand signal: r/dropshipping community consensus; search interest: Breakout
Read full analysis

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Market analysis

  • PantryChef: pricing window Free (3 scans/day) → $5.99/mo premium. Affiliate revenue from grocery delivery. Target 500K users Y1.; TAM signal US food delivery: $74B. Meal kit market: $12B. Recipe app market: $1.5B. The real TAM is the 128M US households that cook at home — PantryChef intercepts the 'what's for dinner?' moment that happens 365x/year..
  • GhostFax: pricing window $14.99/mo individual → $49.99/mo practice → custom enterprise. Undercut iFax ($28) and eFax ($19) while offering 10x the functionality.; TAM signal Online fax market: $4.18B (2024) → $12.52B (2031). Healthcare fax specifically: $2B+ annually. iFax alone has 5M+ users at $17-28/mo. At $14.99/mo individual, capturing 500K users = $90M ARR. Enterprise contracts at $50-200/seat/mo add significant B2B revenue..
  • BreederOS: pricing window $39-59/month; TAM signal ~200K active small-scale breeders in US.
  • GlowAI: pricing window $9.99-$14.99/month or $49.99/year subscription; TAM signal AI photo app sector projected to hit $18.8B by 2028.

Pain point breakdown

  • User quote: Recipe sites are the absolute aids. Ad covered, half the time they feature some bullshit story nobody cares about. (Hacker News)
  • User quote: 70%+ of US healthcare providers still depend on fax. HIPAA compliance, audit trails, and legacy system interoperability keep it alive. (etherFAX / Healthcare IT research)
  • User quote: I have 360 people on my waitlist but had to call 85 just to find 6 actual buyers (Honest Dog Breeder Podcast)
  • User quote: HeadshotPro does $300K/month from Bali as a solo founder. AI photo tools are the most proven bootstrappable AI category. (Danny Postma (@dannypostma))

Competitor weakness map

  • SuperCook: Requires manually typing every ingredient. No photo scanning. Dated interface. Recipes are mediocre quality.
  • iFax ($17.99-27.99/mo): 2.9 stars on SiteJabber. Free trial scams. No AI — just sends images. No document understanding, no routing, no auto-fill. 1990s technology with 2020s pricing.
  • Empowered Breeder ($29.99/mo): Missing breeds in database, inadequate tutorials
  • Remini: Broad photo enhancement — not niche-specific transformations

Next step to monetize

  • Pick one idea with recurring weekly pain and clear spending signals.
  • Validate offer messaging with a waitlist page before full build.
  • Convert free subscribers into paid users once they need full workflows.

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