Daily masterclass in B2B SaaS from Jason Lemkin. Covers scaling, fundraising, sales, and everything SaaS founders need to know.
About SaaStr
SaaStr is the most comprehensive resource for B2B SaaS founders. Jason Lemkin shares hard-won lessons from building and selling a SaaS company, plus insights from investing in over 100 others. The daily newsletter covers everything from hiring your first VP of Sales to scaling past $100M ARR. It's practical, tactical, and refreshingly honest about the challenges of building a software business.
What Makes This Newsletter Unique
Jason writes from experience as both a successful founder (EchoSign sold for $400M) and an active investor. He doesn't just share theory—he shares the specific tactics that worked across hundreds of SaaS companies.
Who Should Subscribe?
This newsletter is essential for: - B2B SaaS founders at any stage - Sales leaders in software companies - Investors focused on SaaS - Anyone transitioning into B2B software
Content Format
Short, punchy daily posts (500-1000 words) covering specific tactical topics. Longer deep-dives on weekends. Regular podcast episodes with SaaS leaders.
Recent Newsletter Issues
Five AI Agent Vendors Asked Us to Try Their Product This Week. Just One Got Deployed. Here’s the Difference.
This week alone, five leading AI Agent vendors reached out asking us to try their products, and another 20-30 LinkedIn’d us or emailed us hoping to get our time. From Public companies to hot startups.
The SaaS Rout of 2026 Is Even Worse Than You Think. For the First Time Ever, Software Now Trades at a Discount to the S&P 500.
Most of us have been doing this long enough to remember when software stocks trading at 40x forward earnings felt cheap. That era appears quite .. over. Software forward P/E multiples have now fallen
Pricing & Subscription Options
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Our Take: Pros & Cons
Pros
- Written by a successful founder and active investor
- Completely free with no paywall
- Daily content keeps you consistently learning
- Extremely tactical and actionable
- Large community with annual conference
Cons
- Daily frequency can be overwhelming
- Focused specifically on B2B SaaS context
- Some content repeats core themes
- Less relevant for consumer or B2C companies
Frequently Asked Questions
Is SaaStr free?
Yes, SaaStr is completely free.
How often does SaaStr publish?
SaaStr is published daily.
What is the SaaStr conference?
SaaStr Annual is the largest B2B SaaS conference, attracting 15,000+ attendees with speakers from the world's top SaaS companies.
About the Author: Jason Lemkin
Jason Lemkin
Jason Lemkin is one of the most influential voices in B2B SaaS. He was co-founder and CEO of EchoSign (acquired by Adobe for $400M) and has invested in over 100 SaaS companies as a venture capitalist. Through SaaStr, he's built the largest community for B2B SaaS founders, with an annual conference that attracts 15,000+ attendees.
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