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. The practical method for combining top down targets with bottom up rep feedback, and the attainment bell curve to aim for: 60... Everstage Article · 13 min read · GTM Sales Quota Planning: How to Align Targets and Drive Results Arvinda Bharathi In 5 answers
  2. Explains why the 3x rule of thumb is wrong for most teams and shows how to derive your own coverage number from your actual win... Clari Article · 11 min read · GTM Pipeline Coverage Ratio: What Your Number Actually Means Jess Richter In 5 answers
  3. Defines accuracy against the day one forecast rather than the revised one, which is the single change that makes the metric... Forrester Article · 7 min read · GTM The Definitive Way to Measure and Grade Sales Forecast Accuracy Dana Therrien In 5 answers
  4. Carries the stat that matters for brand budget arguments: 92 percent of B2B buyers pick a vendor from the list they had on day... Think with Google Article · 8 min read · GTM How India's SaaS brands can create, scale and supercharge global growth Think with Google APAC In 5 answers
  5. The mechanical walkthrough: search filters, what Sales Navigator adds over the free version, how to read a profile before you... HubSpot Article · 18 min read · GTM LinkedIn for Social Selling: How to Research, Prospect, & Sell on Platform Justina Thompson In 5 answers
  6. The government's own plain-language backgrounder on the DPDP Act and the Rules notified in November 2025: what a data fiduciary... Press Information Bureau, Government of India Report · 7 pages · GTM DPDP Rules, 2025 Notified: A Citizen-Centric Framework for Privacy Protection and Responsible Data Use Press Information Bureau, Government of India In 5 answers
  7. The government-backed way to hold gold that pays interest and skips storage; new issues stopped after February 2024, so... ClearTax Article · Wealth Sovereign Gold Bonds ClearTax In 5 answers
  8. What a REIT is, how it works in India, and why it gives property exposure with far more liquidity than a flat. ClearTax Article · Wealth REITs: real estate investing without buying property ClearTax In 5 answers
  9. A guide to section 123 and Schedule XV, the provision that replaced section 80C from 1 April 2026: what qualifies and the limit. ClearTax Article · Wealth Section 123 of the Income-tax Act, 2025 (formerly 80C) ClearTax In 5 answers
  10. A chartered accountant's walk-through of how a buyback of shares is taxed from 1 April 2026, including the additional tax on... Taxguru Article · Wealth Buyback taxation under the Finance Act, 2026 CA Prajakta Mondhe In 5 answers
  11. The written breakdown of the same case, with the operating model you can copy. lennysnewsletter.com Article · How Founders Use AI We replaced our sales team with 20 AI agents (essay version) Lenny Rachitsky In 5 answers
  12. The clearest primary definition: workflows run on predefined code paths, agents let the model direct its own process and tools,... anthropic.com Guide · How Founders Use AI Building effective agents Anthropic In 5 answers
  13. A user-research veteran's workflow that forces exact quotes and catches contradictions. lennysnewsletter.com Article · How Founders Use AI How to do AI analysis you can actually trust Caitlin Sullivan, Lenny's Newsletter In 5 answers
  14. Tested comparison across avatar, text-to-video, and editing tools. zapier.com Guide · How Founders Use AI The 16 Best AI Video Generators Zapier In 5 answers
  15. Anthropic on letting Claude act in the browser without approving each step, with a safety classifier checking every action. claude.com Article · How Founders Use AI Claude in Chrome is generally available Anthropic In 5 answers
  16. Anthropic's post on handing Claude a whole report or deck from any conversation and letting it finish after you close the laptop. claude.com Article · How Founders Use AI Claude Cowork and chat are now one Claude Anthropic In 5 answers
  17. Which file types count as sources and the free plan's limits of 50 sources and 500,000 words each. support.google.com Guide · How Founders Use AI Add or discover new sources for your notebook Gemini Notebook Help In 5 answers
  18. OpenAI's learning hub: the AI Foundations course (about 70 minutes, self-paced, with a completion certificate), Applied AI... openai.com Course · How Founders Use AI OpenAI Academy OpenAI In 5 answers
  19. A UX-research leader (ex-Uber Eats, BetterUp) gives founders a concrete three-step discovery process, including how to recruit... First Round Review Article · ~20 min read · Starting Up A founder-friendly playbook for early customer discovery First Round Review (Jeanette Mellinger) In 4 answers
  20. A clear, operator-written guide from a respected SaaS-analytics company on defining and using an ICP to focus scarce startup... ChartMogul Blog Article · ~12 min read · Starting Up Without an ideal customer profile (ICP), your growth is just guesswork ChartMogul In 4 answers
  21. One of the few pieces that clearly untangles ICP vs persona vs JTBD without jargon, so founders stop conflating them. Useful as... netretention.io Article · ~14 min read · Starting Up Ideal Customer Profiles (ICPs), ABM, JTBD and Personas: knowing your customer Net Retention In 4 answers
  22. The most practitioner-friendly deep dive into JTBD, with interviews and case studies on applying it to real products. Free to... jtbd.info / alanklement.com Book · ~230 pages · Starting Up When Coffee and Kale Compete: Become great at making products people will buy Alan Klement In 4 answers
  23. A free, author-written summary of the positioning framework for founders who want the core idea before buying the book, perfect... aprildunford.com Article · ~8 min read · Starting Up My Positioning Book 'Obviously Awesome' Launches Today April Dunford In 4 answers
  24. YC is the canonical authority on early-stage team formation, and this is their direct playbook for the exact problem a... YC Startup Library Article · ~12 min read · Starting Up How to Find a Technical Co-Founder Y Combinator In 4 answers

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