Product Led Growth for SaaS Startups

Aurelius is a SaaS tool that helps UX researchers with their work. Founded by Zack Naylor, the company went through multiple iterations and rewrites before finding success with a third version of the product that led to unprecedented growth. The journey demonstrates the importance of founder instinct and perseverance through bootstrapped challenges.

Baremetrics is a subscription analytics and insights platform for Stripe, Braintree, Recurly and other payment processors. Founded by Josh Pigford, the company had a seven-year journey before being sold for $4 million. The founder achieved profitability within 8 months of a critical point and later launched a new feature called Intros in 2020.

Colin Gray built The Podcast Host as a hobby project that grew into an audience, then launched Alitu as a SaaS product on top of that existing user base. The episode covers his journey from hobby hosting business to managing eight businesses simultaneously, eventually focusing on SaaS.

Johannes Jäschke developed Hypnu, a hypnosis app that gained significant traction during the pandemic by offering a non-pharmaceutical solution for insomnia and anxiety. The app distinguished itself in the digital wellness market through its focus on hypnosis rather than meditation, ultimately achieving a successful exit.

Square, co-founded by Jim McKelvey, revolutionized payment processing by creating a simple card reader that allowed small merchants to accept credit card payments—solving a problem McKelvey experienced firsthand when he lost a $2,000 sale. The company grew from a scrappy startup competing against entrenched payment networks and regulations to Block, a company generating over $10 billion in gross profit, by focusing on building systems around the product rather than just the product itself.

Netflix was a scrappy DVD-by-mail startup that nearly didn't survive the dot-com crash in 1997, when Blockbuster dominated home entertainment with 9,000 stores. Reed Hastings navigated the company through a near-death experience with a $50M LVMH funding round, cultural innovation with the famous 'keeper test,' and a pivotal shift to original content with House of Cards. Today, Netflix competes in a crowded streaming landscape where it represents less than 10% of TV viewing, facing threats from YouTube and other platforms.

Figma is a collaborative design platform created by Dylan Field and Evan Wallace after winning a Thiel Fellowship in 2012. The tool became widely adopted and is used in the creation of many products including car dashboards and Zoom interfaces. Despite a failed $20 billion acquisition bid from Adobe, Figma continued to grow and recently filed for an IPO.

Calm is a meditation and sleep app co-founded by Alex Tew and Michael Acton Smith in 2011 that brought meditation into the digital age through celebrity-narrated meditations and Sleep Stories. Despite early investor skepticism about monetizing meditation on mobile, Calm grew to nearly $2 billion in valuation with 180 million total downloads.

Substack was founded by Chris Best and Hamish McKenzie to give writers direct access to their audiences through paid subscriptions, eliminating the need for legacy publications or advertisers. Despite early skepticism, the platform has grown to over 35 million active users, with some creators earning upwards of $500,000 annually while many offerings remain free.

Duolingo grew from Luis von Ahn's CAPTCHA technology—originally created to solve Yahoo's spam problem—into a revolutionary language learning platform. By gamifying language education and leveraging a freemium model, Duolingo became a publicly-traded company with a $9 billion market cap, demonstrating how a simple idea can evolve into a global educational phenomenon.

Tala is a fintech platform founded by Shivani Siroya in 2011 to provide microloans to underserved small business owners globally. The company has disbursed over $3 billion in loans across India, Kenya, Mexico, and the Philippines through a frictionless mobile app that approves loans within minutes. Despite the streamlined vetting process, Tala maintains a high loan repayment rate, demonstrating that creditworthy borrowers exist outside traditional banking systems.

Saeju Jeong founded Noom in 2007 with just $5,000 in savings after immigrating from South Korea to the U.S. The app focuses on preventative wellness by tracking eating, sleep, and stress patterns, inspired by his late father's critique of reactive medicine. Noom has become one of the most popular weight loss/wellness apps in the U.S. and is rumored to be preparing for an IPO with a potential valuation of $10 billion.

Matt Mullenweg built WordPress after his employer CNET rejected his pitch for WordPress.com, launching it independently and eventually housing it under Automattic. The platform grew to power over 40% of websites on the internet, with Automattic reaching nearly 2,000 employees and a $7 billion valuation through a freemium model emphasizing free, customizable code.

WodPrep is a SaaS platform founded by Ben Dziwulski that helps CrossFitters improve their workout techniques. Built using the 'Stair Step' approach to entrepreneurship, the business has grown to $1.1M ARR while allowing the founder to maintain the outdoor lifestyle he loves.

CartHook is a SaaS platform that helps Shopify merchants present checkout offers to increase conversions and average order value. Founded by Jordan Gal, the company has grown exponentially since its inception, with its user base generating over $1 billion in sales. The founder initially approached investors in 2015 and has since built a thriving software business.

customers.ai is a B2C sales and data platform founded by serial entrepreneur Larry Kim (former founder of WordStream, acquired for $200M in 2018). The company evolved from MobileMonkey, a Facebook-partnered chatbot tool that grew to $1M ARR in under a year but stalled due to Facebook policy changes. After pivoting to website visitor identification and sales outreach automation powered by proprietary LLM technology, customers.ai has grown to $2M+ ARR with several customers paying over $100K annually.

Salesprint is a sales engagement platform that gamifies and visualizes sales activities to help inside sales teams hit their targets. Founded in 2014 as a bootstrap company, it bootstrapped until 2018 when the founder raised money for the first time. Currently at $8M ARR, the company focuses on operational efficiency through aligned strategy, bite-sized goals, and team motivation—principles the founder shared at SaaSOpen conference.

Remote is a SaaS platform founded in 2019 by Dutch founder Jo Bendervoort and Portuguese founder Marcelo Leb that enables companies to hire and manage employees anywhere in the world by handling global payroll, benefits, compliance, taxes, stock options, and visas. The company operates as a fully distributed organization across 1,000+ employees in 70 countries and uses its own product as their first customer. Remote emphasizes a strong culture built on five core values—excellence, kindness, ownership, transparency, and ambition—operationalized through async work practices, public documentation in Notion, and intentional community building.

Security Scorecard was founded by Alex Heid, a former Chief Security Officer, who realized that cybersecurity was the only industry without KPIs to measure effectiveness. Starting from scratch nine years ago with a lukewarm market reception, the company grew to 600 employees serving thousands of companies worldwide, including 9 of the top 10 pharmaceutical companies and major banks and insurers. The company exceeded $100M in ARR and demonstrated 50%+ growth by prioritizing customer empathy, cheap experimentation over grand ideas, and embedding security scoring into customer decision-making processes.

Toggle 3D is a freemium 3D studio platform that democratizes 3D content creation for e-commerce, AR/VR, and metaverse applications. Spun out from 3D.ai (acquired by Next Tech in 2021), the company launched in beta in September 2022 with 145 users and an 85% activation rate. They offer a free tier and a $29/month pro plan with unlimited designs and export capabilities.