Explore · The library

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. A sober category map that keeps you from over-buying at pre-seed. crm.org Guide · How Founders Use AI Best CRM for startups: 8 picks for early-stage growth CRM.org
  2. Specifically scoped to the stage where you have 20 conversations and zero process. clarify.ai Article · How Founders Use AI A guide to the 10 best pre-seed startup CRMs Clarify
  3. Email-sync quality is the hidden feature that decides whether your CRM stays updated. clarify.ai Article · How Founders Use AI CRMs with email integration: top picks for founders Clarify
  4. A VC-advisory view on which CRMs survive the seed-to-Series-A transition. waveup.com Article · How Founders Use AI 5 best CRMs for startups in 2025 Waveup
  5. Ranks on scaling pain, the thing you cannot see when you pick at pre-seed. authencio.com Article · How Founders Use AI The 6 best CRMs for startups: which one scales with you? Authencio
  6. A direct three-way founder-lens comparison of the default vs the AI-native challengers. getsliq.com Article · How Founders Use AI Best CRM for startup founders: HubSpot, Attio, Clarify compared Sliq
  7. Includes the Notion and Airtable route and is honest about when a spreadsheet is enough. boringbusinessnerd.com Article · How Founders Use AI 10 best CRMs for startups Boring Business Nerd
  8. Survey data from a million-reader audience on what startups actually use, CRM included. lennysnewsletter.com Article · How Founders Use AI What's in your stack: the state of tech tools in 2025 Lenny Rachitsky
  9. The two Indian CRM giants compared head to head, with Freddy AI vs Zia at the center. freshworks.com Article · How Founders Use AI Freshsales vs Zoho: the ultimate comparison Freshworks
  10. Focuses on the automation layer, which is the whole point of going AI-native. simular.ai Article · How Founders Use AI The 7 best CRM automation tools: we tested them so you don't have to Simular
  11. A wide sweep of what AI inside a CRM concretely does today, feature by feature. salesmate.io Article · How Founders Use AI Best CRM with AI: 11 top AI-driven CRM platforms Salesmate
  12. A beginner-friendly walkthrough for founders who have never touched an enrichment table. salescaptain.io Guide · How Founders Use AI How to use Clay: the ultimate no-code tool for prospecting and sales SalesCaptain
  13. Independent of Clay, so it flags the sharp edges and costs honestly. woodpecker.co Article · How Founders Use AI Clay cold email: how to do cold outreach with Clay Woodpecker
  14. Goes past basics into the signal-triggered workflows that make outbound feel warm. blog.gtm-engineering.io Guide · How Founders Use AI Clay automation: the ultimate guide for lead gen and sales GTM Engineering
  15. A CEO-community playbook on what AI personalization converts at, with realistic numbers. saasrise.substack.com Article · How Founders Use AI Outbound 2.0: the guide to AI-personalized outbound emails SaaS Rise
  16. Teaches AI-assisted account research, the highest-leverage part of outbound for a founder. apollo.io Course · How Founders Use AI Free AI prospecting course: accelerate sales with Apollo AI research Apollo.io
  17. Independent summary of what Apollo's AI features actually deliver versus the pitch. eesel.ai Article · How Founders Use AI A complete overview of Apollo AI eesel
  18. Data from millions of real cold emails: write at a 5th-grade level, 25 to 50 words, like you talk. lavender.ai Guide · How Founders Use AI Cold email 101: how to write emails people actually read and reply to Lavender
  19. Whether an AI email coach is worth it for a founder writing 20 emails a day. woodpecker.co Article · How Founders Use AI Lavender AI review: is it still the best AI email coach? Woodpecker
  20. The Lavender co-founder's framework in one post you can apply on your next email. linkedin.com Thread · How Founders Use AI Will Allred's cold email framework Will Allred, Lavender
  21. Practical warmup and volume schedules so your AI-written emails actually land in inboxes. instantly.ai Guide · How Founders Use AI How to achieve 90%+ cold email deliverability Instantly
  22. A post-hype map of which AI SDR use cases survived contact with reality. gtmaipodcast.com Article · How Founders Use AI The AI SDR bubble is popping. Here's what comes next. GTM AI Podcast
  23. A practitioner tested 11x, Artisan, and AiSDR side by side and reports the raw results. saassalesdirector.medium.com Article · How Founders Use AI 11x.ai review: worth the hype? I tested the major AI SDR platforms SaaS sales director on Medium
  24. A controlled 200-lead experiment is exactly the evidence standard to hold vendors to. b2bsalesguru.medium.com Article · How Founders Use AI 11x AI SDR review: I gave it 200 leads and watched what happened B2B sales practitioner on Medium

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms
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