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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. Written from the recipient's side of the inbox by someone who gets hundreds of cold emails a week. It makes the case that... Ahrefs Blog Essay · 12 minute read · Starting Up I Just Deleted Your Outreach Email Without Reading. And NO, I Don't Feel Sorry Tim Soulo
  2. Once you've found or guessed someone's email, this is what to actually put in it, with word for word scripts from a founder who... First Round Review Article · 15 minute read · Starting Up Here are the Scripts for Sales Success: Emails, Calls and Demos That Close Deals Peter Kazanjy
  3. A straightforward alternative to Hunter that independent tests rate as more accurate on harder to find addresses. Useful as a... VoilaNorbert Tool · Starting Up VoilaNorbert VoilaNorbert
  4. This is the plain guess at the company's email pattern from our answer, made mechanical. Feed it a name and domain and it... Mailmeteor Tool · Starting Up Email Permutator Mailmeteor
  5. This is the verification step our answer insists on. Paste in a guessed or found address and it tells you whether the inbox is... NeverBounce Tool · Starting Up Email Verifier NeverBounce
  6. A large contact database that's worth trying when Hunter or VoilaNorbert come back empty, since it draws on a different index... RocketReach Tool · Starting Up RocketReach RocketReach
  7. Once you have a verified address, these are ready to adapt templates from a CRM built specifically for small sales teams,... Close Template · 10 minute read · Starting Up 15 Best Cold Email Templates That Actually Get Replies Steli Efti
  8. Ferrazzi's core argument is that the people worth reaching are found through relationships, not databases, so a connector who... Keith Ferrazzi Book · about 370 pages · Starting Up Never Eat Alone Keith Ferrazzi
  9. Video · about 10 minutes · Starting Up No Replies? Increase response rates using THIS cold email template Steli Efti
  10. A grounded conversation about when cold email is even worth the effort of finding an address for. Steli's rule of thumb is deal... Startups For the Rest of Us Podcast · about 35 minutes · Starting Up Episode 202: Outbound Sales for Startups with Guest Steli Efti Steli Efti
  11. A blunt, contrarian counterpoint from working founders and investors: several commenters argue you shouldn't be hunting down a... Hacker News Thread · Starting Up How to write cold emails to investors Hacker News
  12. Plain-language breakdown of every cold email metric (open, reply, positive reply, bounce) and what actually separates a healthy... Hunter.io Article · Starting Up Cold Email Metrics Hunter.io
  13. A short, practical checklist for raising reply rates once you already know your baseline is low. It walks through list size,... Hunter.io Article · Starting Up Improve Your Reply Rate Hunter.io
  14. Real platform-wide data across millions of sends, kept current, so you can see where your own numbers sit against a large... Woodpecker Article · Starting Up Cold Email Statistics Based on Sending Over 20M Cold Emails Woodpecker
  15. Written by a working copywriter who tracks her own reply and conversion rates on real cold pitches, so the advice comes with... Copyhackers Article · Starting Up How to Cold Pitch Effectively and Ethically Bree Weber
  16. Lemlist sends huge volumes of cold email through its platform and publishes some of the more specific length and... lemlist Article · Starting Up Outreach secrets: How to increase your reply rates lemlist
  17. This is the exact question our short answer addresses, asked and answered directly by a B2B investor and operator who reads a... SaaStr Article · Starting Up Dear SaaStr: Is It OK To Have a 5% Response Rate in My Personalized Cold Emails? Jason Lemkin
  18. This one flips the script: a CIO who actually receives startup outreach explains what makes him respond versus delete. Hearing... The Neon Show Podcast · Starting Up What Startups Can Learn from a $1.7B Co. Chief Information Officer (ft. Karthik Chakkarapani, Zuora) Karthik Chakkarapani (guest)
  19. A clear, simply written framing of the reply-rate tiers, broken, average, good, elite, that is easy to hold your own numbers... Apollo.io Article · Starting Up What Is a Good Reply Rate for Cold Outreach in 2026? Apollo.io
  20. This is an actual draft cold email, picked apart line by line by other founders in the comments, which makes it more useful... Indie Hackers Thread · 10 min read · Starting Up The Cold Email I'd Send to Get My First 10 Customers Indie Hackers
  21. Short, practical, and written for a founder with nothing to show yet, which is the exact reader we have in mind. It is written... Hustle Fund Article · 8 min read · Starting Up 5 Cold Email Suggestions from an Expert Hustle Fund
  22. A founder walks through the actual iteration: a first version of the email that flopped, the specific objections they heard... Starter Story Article · 10 min read · Starting Up How We Got Hundreds of Customers Through Creative Cold Emailing Starter Story
  23. A practical piece written for the Indian startup context, with the FreeCharge origin story as its centerpiece: an early cold... YourStory Article · 8 min read · Starting Up The Art of Cold Emailing: Every Startup's Gateway to Marketing YourStory
  24. Barry documents personally emailing bloggers he had researched individually, offering to migrate their email lists by hand for... Nathan Barry Essay · 15 min read · Starting Up Growing ConvertKit to $5,020 in Monthly Recurring Revenue Nathan Barry

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