Every resource founders actually use, in one library.

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

1. The most detailed free writeup of an actual sales hiring process: the profile, artifact-based screening before you spend live... Founding Sales Book · 50 min read · GTM Founding Sales, Chapter 11: High-Impact Sales Hiring Peter Kazanjy In 4 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 4 answers
3. Kramer's four product types (vertical solution, new way, 10x better, buy versus build) tell you what you are positioning... MKT1 Newsletter Newsletter · 20 min read · GTM The MKT1 Guide to Positioning Emily Kramer In 4 answers
4. Median marketing spend around 8 percent of ARR and sales around 15 percent, split by funded versus bootstrapped, from a survey... SaaS Capital Report · 15 min read · GTM 2026 Spending Benchmarks for Private B2B SaaS Companies Nick Perry In 4 answers
5. Google's own instructions for showing up in AI Overviews and AI Mode. developers.google.com Guide · How Founders Use AI Google's Guide to Optimizing for Generative AI Features in Search Google Search Central In 4 answers
6. How an always-on agent is fenced in: its own sandboxed computer, read-only background research, auto-review of actions and... openai.com Article · How Founders Use AI How we build safety, security, and privacy into dots OpenAI In 4 answers
7. Google's own post on Gemini Omni Flash in Flow: generate, then refine a clip conversationally with characters kept consistent. blog.google Article · How Founders Use AI New agents, mobile apps and Gemini Omni for Google Flow and Google Flow Music Google In 4 answers
8. One chart of which assistants people actually use, from a February 2026 survey. pewresearch.org Article · How Founders Use AI ChatGPT tops the list of chatbots Americans use, across age groups Pew Research Center In 4 answers
9. Explains the three Pro plans (Pro 100, Pro 200, Pro 500) introduced in September 2026, so you know what the $100-plus tiers buy. help.openai.com Guide · How Founders Use AI About ChatGPT Pro tiers OpenAI Help Center In 4 answers
10. Clickstream study through April 2026: AI platforms send 0.32% of all web traffic, ChatGPT about three quarters of it and Gemini... seranking.com Article · How Founders Use AI AI traffic grew 16x from 2024 to 2026: Here are the top AI search engines driving visits to websites SE Ranking In 4 answers
11. How to start a Work task, what to put in the request, and how Scheduled Tasks repeat a job or watch for changes. help.openai.com Guide · How Founders Use AI ChatGPT Work and Codex OpenAI Help Center In 4 answers
12. Sarvam's own account of its two open models, how it tests 22 languages in native and English-letter script, and why its... sarvam.ai Article · How Founders Use AI Open-sourcing Sarvam 30B & 105B models Sarvam AI In 4 answers
13. A PM-turned-founder's playbook that treats defining the right customer and problem as a sequence of concrete hurdles, not... First Round Review Article · ~18 min read · Starting Up 8 Product Hurdles Every Founder Must Clear First Round Review In 3 answers
14. A high-signal, battle-tested framework for evaluating engineering talent from a leader who's done it hundreds of times.... First Round Review Article · ~20 min read · Starting Up My Lessons from Interviewing 400+ Engineers Over Three Startups Marco Rogers In 3 answers
15. A crisp, visual reference of the psychology principles behind good UX, perfect for a founder who wants the 'why' without a... lawsofux.com Article · reference site · Starting Up Laws of UX Jon Yablonski In 3 answers
16. A tight, example-driven breakdown of naming approaches from one of the best practical marketing writers online, memorable and... Marketing Examples Article · 5 min read · Starting Up Four (not boring) ways to name a new product Harry Dry In 3 answers
17. A landmark Indian example of content-led growth, Zerodha built trust and a huge audience by teaching in public for free. The... Zerodha Varsity Article · Resource hub · Starting Up Varsity by Zerodha, learn to build an audience by teaching Zerodha In 3 answers
18. Fifty-plus recent YC founders answer the exact question every early founder asks. The pattern across their answers is the lesson. YC Startup Library Article · ~10 min read · Starting Up Founder FAQ: How did you get your first customer? Y Combinator (50+ founders) In 3 answers
19. A candid Q&A where a top sales founder answers real early-founder questions on outreach, persistence, and closing.... Stripe Atlas Guides Article · ~15 min read · Starting Up AMA with Steli Efti (Stripe Atlas) Steli Efti / Stripe Atlas In 3 answers
20. The canonical explanation of why linear funnels break and self-reinforcing growth loops compound, from the team that trains... Reforge Blog Article · ~15 min read · Starting Up Growth Loops Are the New Funnels Brian Balfour & Reforge team In 3 answers
21. The canonical book on making community a competitive advantage, from someone who trained community teams at Facebook, Airbnb,... Wiley Book · Book (~256 pages) · Starting Up The Business of Belonging David Spinks In 3 answers
22. YC's Startup Library is the canonical, no-fluff reference on how startups actually make money, curated from partners who've... ycombinator.com Article · browsable library · Starting Up Business Models & Metrics, Y Combinator Startup Library Y Combinator In 3 answers
23. David Sacks (PayPal, Yammer, Craft Ventures) distills the metrics that actually predict a SaaS company's health, including the... sacks.substack.com Article · essay · Starting Up The SaaS Metrics That Matter David Sacks In 3 answers
24. Paul Graham's essays introduced the idea of 'ramen profitability' and default-alive thinking that underpins modern... paulgraham.com Essay · essay · Starting Up How to Make Wealth / Startup = Growth (essays) Paul Graham In 3 answers

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