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. LinkedIn's help page on automation tools. It says it does not permit any third-party software that scrapes or automates... linkedin.com Article · GTM Prohibited software and extensions LinkedIn
  2. Expandi's own pricing page: $99 a month per account, or $79 a month billed annually. expandi.io Tool · GTM Expandi pricing Expandi
  3. Waalaxy's own pricing page, in rupees from India: Pro Rs 431, Advanced Rs 1,271 and Business Rs 1,815 a user a month, with a... waalaxy.com Tool · GTM Waalaxy pricing Waalaxy
  4. Dripify's own pricing page: $59 a user a month billed annually ($79 monthly). dripify.io Tool · GTM Dripify pricing Dripify
  5. HeyReach's own pricing page, priced per LinkedIn sender: Growth is $79 a month per sender; Agency is $999 a month for 25 senders. heyreach.io Tool · GTM HeyReach pricing HeyReach
  6. IndiaMART's own price list for its entry paid listing: Rs 40,000 for one year, Rs 72,000 for two and Rs 90,000 for three,... indiamart.com Tool · GTM IndiaMART Mini Dynamic Catalog price list IndiaMART
  7. An overview of every IndiaMART package (MDC, Maximiser, TrustSEAL, IM Star, IM Leader, IM Insta) and who each is meant for. refrens.com Article · GTM IndiaMART packages explained Refrens
  8. Justdial's page for its paid plans, which promise 24 verified leads every month and show your listing above competitors. justdial.com Tool · GTM Advertise on Justdial Justdial
  9. Justdial's own page for listing a business free, with reviews, questions and product listings. justdial.com Tool · GTM Justdial free listing Justdial
  10. Zoho's page for the knowledge base built into Zoho Desk: help articles, FAQs, turning tickets into articles, and help centers... zoho.com Tool · GTM Zoho Desk knowledge base software Zoho
  11. GitBook's own pricing page: free for individuals; Essential is $65 a site a month and Ultimate $249, billed annually, plus $12... gitbook.com Tool · GTM GitBook pricing GitBook
  12. Document360's pricing page. Plans are custom-quoted by team size and AI usage, with a 14-day free trial; all plans are SOC 2... document360.com Tool · GTM Document360 pricing Document360
  13. Zoom's own pricing for webinars: $89 a month billed monthly or $66.67 a month billed annually, priced by attendee capacity. zoom.us Tool · GTM Zoom Events and Webinars pricing Zoom
  14. Airmeet's own pricing page for webinars and virtual events: from $167 a month billed yearly ($199 monthly), with conferences... airmeet.com Tool · GTM Airmeet pricing Airmeet
  15. Livestorm's own pricing page: the Pro plan bills per attendee, at EUR 2.50 per person who joins a session. livestorm.co Tool · GTM Livestorm pricing Livestorm
  16. StreamYard's own pricing page in rupees: a free plan, and paid plans from Rs 1,399 a month billed yearly (Rs 1,749 monthly)... streamyard.com Tool · GTM StreamYard pricing StreamYard
  17. Better Proposals' own pricing page: Starter is $13 a month billed annually ($19 monthly) for one user; Premium $21 a user. betterproposals.io Tool · GTM Better Proposals pricing Better Proposals
  18. Proposify's own pricing page: Build is $39 a user a month billed annually ($49 monthly); Grow is $65 a user a month. proposify.com Tool · GTM Proposify pricing Proposify
  19. Qwilr's own pricing page: Starter from $35 a user a month billed annually; Growth $55 with a 5-user minimum. qwilr.com Tool · GTM Qwilr pricing Qwilr
  20. The originators' own page on NPS: the percentage of promoters (scores of 9 or 10) minus the percentage of detractors (0 to 6). netpromotersystem.com Article · GTM Measuring your Net Promoter Score Bain & Company
  21. Arcade's own pricing page for interactive and video product demos: a free plan for your first product video; Pro is $49 a month... arcade.software Tool · GTM Arcade pricing Arcade
  22. Supademo's own pricing page for click-through interactive demos: free forever for 1 creator; Scale is $38 a month per creator... supademo.com Tool · GTM Supademo pricing Supademo
  23. Storylane's own plans page for interactive product demos: a free plan with 1 seat; Starter is $50 a month. storylane.io Tool · GTM Storylane plans Storylane
  24. LinkedIn's own engineering post (12 March 2026) on its new feed ranking, powered by LLMs, which reads what a post is actually... linkedin.com Article · GTM Engineering the next generation of LinkedIn's Feed LinkedIn Engineering

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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