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Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Compares natural-language page generation across the current builder generation. emergent.sh Article · How Founders Use AI Best AI Landing Page Builders: 5 Tools Teams Are Using Today Emergent
  2. From the most popular AI app builder founders already use for MVPs. lovable.dev Guide · How Founders Use AI Best Landing Page Builders for 2025 Lovable
  3. Which AI builder gets a non-technical founder to a shippable page fastest. iamkotik.medium.com Article · How Founders Use AI Lovable vs Replit: The Complete Comparison for Non-Technical Founders Vitaly Kotik
  4. Hands-on build comparison rather than spec-sheet marketing. designrevision.com Article · How Founders Use AI Replit vs Lovable: We Built the Same App to Compare DesignRevision
  5. Evaluates the builders specifically through a marketing-workflow lens. data-mania.com Article · How Founders Use AI Lovable vs Replit: Which AI Assistant Is Better for Marketing Automation? Data-Mania
  6. Reverse-engineers a top AI company's own high-converting landing page. startupspells.com Article · How Founders Use AI Icon AI Admaker: The Ultimate CRO Landing Page Breakdown Startup Spells
  7. Real usage notes including credit costs for page generation and edits. aibuilderclub.com Article · How Founders Use AI Lovable AI Review: Honest Take After Real Use AI Builder Club
  8. Argues campaign landing pages are a different job than full-stack app builders. medium.com Article · How Founders Use AI Lovable Is Worth $6.6B. Our 3-Person Landing Page Startup Is Still Winning. Adi Leviim
  9. First-party framing of the tradeoffs, useful to read against the independents. replit.com Article · How Founders Use AI Replit vs Lovable (Replit's own comparison) Replit
  10. From a CRO tool company: prompts covering landing page copy and offer tests. optimonk.com Guide · How Founders Use AI 34 ChatGPT Prompts for Marketing OptiMonk
  11. A PPC agency's practical launch briefing: formats, eligibility, and setup. adventuremedia.ai Article · How Founders Use AI ChatGPT Ads Launch 2026: Everything US Businesses Need to Know AdVenture Media
  12. The most complete written reference on OpenAI's ad platform so far. 2pointagency.com Guide · How Founders Use AI ChatGPT Advertising: The Complete 2026 Guide 2Point Agency
  13. Performance-marketing lens on bidding, placement, and early numbers. launchcodex.com Article · How Founders Use AI ChatGPT Ads Are Live: A Complete Breakdown Launchcodex
  14. Covers costs and current limitations without the hype. jollygoodweb.com Article · How Founders Use AI ChatGPT Ads: What Advertisers Need to Know in 2026 Jolly Good Web
  15. Step-by-step account setup through ads.openai.com for a first campaign. stubgroup.com Guide · How Founders Use AI How to Advertise on ChatGPT: The Complete Guide StubGroup
  16. Puts AI-platform ads in context against your existing Google spend. digitalapplied.com Article · How Founders Use AI AI Search Advertising: ChatGPT vs Google vs Perplexity Digital Applied
  17. The full map of where ads can now run across AI products. stackmatix.com Article · How Founders Use AI Advertising on AI Platforms: The Complete 2026 Landscape Stackmatix
  18. Background on the Perplexity ads experiment before it was shut down. stackmatix.com Article · How Founders Use AI Perplexity vs Google: What Marketers Need to Know About Perplexity Advertising Stackmatix
  19. Rare actual CPC and ROI data from AI-search ad campaigns. dataslayer.ai Article · How Founders Use AI Perplexity Ads for Marketers: First Results, CPCs and ROI Data Dataslayer
  20. The industry-press account of why one major AI player rejected ads entirely. campaignlive.com Article · How Founders Use AI Perplexity Pulls the Plug on Ads, Citing Trust Concerns for AI Campaign US
  21. OpenAI's own positioning of the channel, reported independently. marketingdive.com Article · How Founders Use AI What Defines ChatGPT Ads? 'Super Intentional' Users, OpenAI Tells Cannes Marketing Dive
  22. A global digital agency's strategic guidance on entering the channel. monks.com Article · How Founders Use AI The Answer Engine Battles: Navigating the ChatGPT Ad Rollout Monks
  23. An ongoing show tracking AI ad platforms as they evolve, episode by episode. podcasts.apple.com Podcast · How Founders Use AI The AI Advertising Podcast Diego Pineda
  24. Founder-specific mistakes list: generic homepages, weak attribution, wrong mental model. blog.mean.ceo Article · How Founders Use AI ChatGPT Ads in 2026: 7 Questions, Mistakes, and Insider Tips for Founders MEAN CEO blog

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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