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 no-nonsense, ad-light India personal-finance site: plain math and free calculators for emergency funds, goals, and asset... Freefincal Tool · Wealth Freefincal: goal-based planning and calculators M. Pattabiraman In 63 answers
  2. The free, India-first grounding in what to do with cash once you have it: goals, allocation, SIPs, and not losing it to fees. Zerodha Varsity Course · Wealth Personal Finance Zerodha Varsity In 58 answers
  3. The government's only portal for registering a micro, small or medium enterprise. It states registration is free and lists the... udyamregistration.gov.in Tool · Starting Up Udyam Registration (MSME) Ministry of MSME In 30 answers
  4. Anthropic's comparison of Claude Free, Pro and Max, including memory, voice mode and the number of projects each plan allows. claude.com Tool · How Founders Use AI Plans & pricing | Claude Anthropic In 28 answers
  5. The free tool for running the how-would-you-feel-without-this survey that underpins the Superhuman method, giving you a... Sean Ellis and GoPractice Tool · Free tool · Starting Up Product/Market Fit Survey Sean Ellis In 27 answers
  6. The fastest way to stand up a fake-door landing page. Build a one-page site in an afternoon, add an email capture, and measure... carrd.co Tool · Starting Up Carrd carrd.co In 23 answers
  7. A trusted India-first place to compare funds and think about where cash goes once you have some to invest. Value Research Tool · Wealth Value Research: fund research and planning Value Research In 18 answers
  8. OpenAI's own table of Free, Go, Plus and Pro: what each includes, from GPT-6 chats and memory to voice, projects and deep... chatgpt.com Tool · How Founders Use AI ChatGPT Plans and Pricing OpenAI In 18 answers
  9. The best free on-ramp for founders who feel 'too early' for a funded accelerator, it distils YC's thinking into a structured... Y Combinator Course · ~7-week self-paced course · Starting Up Startup School, Free Startup Course Y Combinator In 15 answers
  10. India's most used payment gateway for small businesses, taking UPI, cards and netbanking. The pricing page lists a standard fee... razorpay.com Tool · Starting Up Razorpay pricing Razorpay In 14 answers
  11. The de facto global standard for pitch deck structure, straight from Sequoia. The same outline Airbnb's founders used; if you... Sequoia Capital Template · 10 min read · Starting Up Writing a Business Plan (The Sequoia Pitch Deck Template) Sequoia Capital In 13 answers
  12. The deepest no-code stack, database, workflows, and custom UI, for building genuinely complex web apps and marketplaces without... bubble.io Tool · platform · Starting Up Bubble, No-Code Full-Stack App Builder Bubble In 12 answers
  13. This is the single directory that saves you from chasing scattered scheme pages: 107 pages, written by DPIIT itself, mapping... Startup India Template · 107-page PDF · Starting Up Playbook of Government Schemes and Initiatives for Startups (June 2026) DPIIT, Ministry of Commerce and Industry In 12 answers
  14. Gmail, Meet, Drive and Docs on your own domain, priced in rupees. The page lists Base at ₹99 per user a month for up to 20... workspace.google.com Tool · Starting Up Google Workspace pricing (India) Google In 12 answers
  15. Accounting software made in India with GST invoicing; it produces the profit and loss statement from your entries. There is a... zoho.com Tool · Pricing page · Starting Up Zoho Books plans and pricing (India) Zoho In 12 answers
  16. The GST portal's registration entry point, where a new taxpayer applies online for a GSTIN, tracks the application and finds... gst.gov.in Tool · Starting Up GST Registration (official GST portal) GSTN In 12 answers
  17. Google's plans from AI Plus at $4.99 to Ultra, all on Gemini 4 Argon, for comparing against ChatGPT and Claude. gemini.google Tool · How Founders Use AI Google AI Plus, Pro and Ultra plans Google In 12 answers
  18. Zerodha Varsity free module on how investment income is taxed in India: capital gains, holding periods, and turnover, in plain... Zerodha Varsity Course · Wealth Markets and Taxation Zerodha Varsity In 11 answers
  19. The primary source for the SAFE itself, plus YC's plain-English primer explaining post-money mechanics. Use the official... Y Combinator Tool · templates + primer · Starting Up YC Safe Financing Documents (Official Post-Money SAFE) Y Combinator In 10 answers
  20. The free, official first step before you commit to any brand name, logo, or domain. Ten minutes here can save you a rebrand, it... Government of India (tmrsearch.ipindia.gov.in) Tool · tool · Starting Up IP India Public Trademark Search Trade Marks Registry, CGPDTM In 10 answers
  21. Before you spend a weekend guessing, Google Trends gives you a real, free read on whether interest in your idea is rising,... Google Tool · Starting Up Google Trends Google In 10 answers
  22. A one page template that forces you to write down the problem, the customer, and why you are placed to solve it, all on a... leanfoundry.com Template · one page · Starting Up Lean Canvas Ash Maurya In 10 answers
  23. Shopify's rupee prices for India: Basic ₹1,994 a month (₹1,499 billed yearly), Grow ₹7,447 (₹5,599 yearly), Advanced ₹30,164... shopify.com Tool · 5 min · D2C Shopify India Pricing Shopify In 10 answers
  24. This is the single official directory of central and state government schemes for Indian startups, the primary source, not a... Startup India (startupindia.gov.in) Tool · Directory / ongoing · Starting Up Startup India, Government Schemes for Startups DPIIT, Government of India In 9 answers

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