Every resource founders actually use, in one library.

What founders use most, ranked by how many answers lean on it.

1. This is about the unique insight half of 'why you': seeing a market others dismiss and having the conviction to build there. It... First Round Review Article · 20 min read · Starting Up Future Founders, Here's How to Spot and Build in Nonobvious Markets Elad Gil In 3 answers
2. Each year a16z partners publish the problems they think startups will tackle next, which is less a prediction and more a map of... Andreessen Horowitz Article · 20 min read · Starting Up Big Ideas in Tech a16z partners In 3 answers
3. Intel's former CEO defines the "strategic inflection point," the moment a real shift changes the fundamentals of a business,... Andrew S. Grove (Penguin Random House) Book · Book (~210 pages) · Starting Up Only the Paranoid Survive Andrew S. Grove In 3 answers
4. This is the internal memo Butterfield sent his team two weeks before Slack's launch, written from inside the wreckage of... Medium Essay · Starting Up We Don't Sell Saddles Here Stewart Butterfield In 3 answers
5. This is the data behind if you talk less than the customer, you're doing it right. Gong analyzed hundreds of thousands of real... Gong Labs Article · ~10 min read · Starting Up Mastering the talk-to-listen ratio in sales calls Gong Labs In 3 answers
6. This is narrower than the cadence advice elsewhere on this list: it is specifically about what makes the follow-up email itself... Gong Article · 8 min read · Starting Up Scientific Tips for Writing the Perfect Follow-Up Sales Email Gong In 3 answers
7. Pete Kazanjy, who has built and scaled multiple B2B sales orgs, gives a founder-focused breakdown of how to get specific enough... Lenny's Podcast Article · 10 min read · Starting Up Defining your ideal customer profile: Pete Kazanjy's perspective Pete Kazanjy In 3 answers
8. A real teardown of real cold emails sent to a real, busy recipient, with his honest reaction to each subject line. Reading... Nick Gray Essay · Starting Up Feedback on 4 Cold Emails To Me From Ramit's Brain Trust Nick Gray In 3 answers
9. Read the actual law once, at least the consent and notice sections, so you are not relying on someone else's paraphrase.... Ministry of Electronics and Information Technology (MeitY), Government of India Article · ~30 pages · Starting Up The Digital Personal Data Protection Act, 2023 (Official Text) Ministry of Electronics and Information Technology (MeitY), Government of India In 3 answers
10. Gong analyzed tens of millions of real sales emails, so instead of taking someone's word for what good personalization looks... Gong Article · 9 min read · Starting Up Does Cold Email Even Work Any More? Here's What the Data Says Gong In 3 answers
11. Instantly is built specifically for cold outreach, so this guide is framed around your exact problem rather than transactional... Instantly Article · Starting Up How to Master SPF, DKIM, and DMARC for Cold Email Deliverability Instantly In 3 answers
12. Directly useful if part of your targeting question is whether you should even be emailing the CEO. It looks at how seniority... Gong Article · Starting Up Do execs really reply to cold email? Here's what the data says Gong In 3 answers
13. A current, segment-by-segment benchmark report broken out by industry, list size, and company size, so you can compare your... Instantly.ai Article · Starting Up Cold Email Benchmark Report 2026 Instantly.ai In 3 answers
14. If you decide to send from a separate domain for deliverability reasons, this is the official, no nonsense setup guide for the... Google Workspace Help Article · 10 min setup · Starting Up Set up SPF Google Workspace In 3 answers
15. Ellis lays out the 40 percent test, the survey question and threshold he found across hundreds of startups for knowing you have... GrowthHackers Essay · Starting Up Using Product/Market Fit to Drive Sustainable Growth Sean Ellis In 3 answers
16. Gupta names the Mom Test problem directly, that people in interviews behave like your mom and unconsciously lie to keep you... Aakash Gupta Essay · Starting Up Customer Interviews: Advanced Techniques Aakash Gupta In 3 answers
17. Amy Hoy and Alex Hillman built the Sales Safari methodology, and a business, around finding what an audience already complains... Stacking the Bricks Essay · 12 min read · Starting Up Updating the Sales Safari System for 2023 Alex Hillman In 3 answers
18. Google's own steps to open a Play Console account to publish Android apps, including identity verification and the US$25... support.google.com Article · 5 min · Starting Up Google Play: register for a developer account Google In 3 answers
19. Apple's page for enrolling in the Developer Program, which you need to put an app on the App Store. It states the fee is 99 USD... developer.apple.com Article · 5 min · Starting Up Apple Developer Program enrolment Apple In 3 answers
20. Google's guidance on asking for reviews and replying to them, including how to answer a negative review without making it worse. support.google.com Article · Help page · Starting Up Tips to get more reviews and write better replies Google In 3 answers
21. How to read, reply to, edit and share reviews from your profile, and what happens after you reply. support.google.com Article · Help page · Starting Up Manage customer reviews (Google Business Profile Help) Google In 3 answers
22. The policies a channel must meet to earn. Since July 2025 the repetitious content rule is called inauthentic content and covers... support.google.com Article · Policy page · Starting Up YouTube channel monetization policies YouTube In 3 answers
23. The official fee schedule for trademark filing: TM-A costs ₹4,500 per class online for an individual, startup or small... ipindia.gov.in Article · Official fee schedule · Starting Up Trade Marks: forms and official fees (IP India) Office of the Controller General of Patents, Designs and Trade Marks In 3 answers
24. A guide to announcing a raise, including when to offer one reporter an exclusive and how embargoes work. techcrunch.com Article · Article · Starting Up How to announce a funding round TechCrunch In 3 answers

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