feature-flags
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The French Startup That Turned "Just Test It" Into a Global Experiment
For sixteen years AB Tasty sold brands a simple idea: stop arguing about what works on your website and test it. In January 2026 it merged with its biggest rival to prove the point at scale.
Frontegg
Frontegg is a customer identity and access management (CIAM) platform that gives SaaS builders drop-in authentication, authorization, and user management so they don't have to build login, SSO, MFA, roles, and multi-tenancy from scratch. Founded in 2019 by two former Check Point engineers, the company has expanded from B2B user management into identity infrastructure for AI agents, launching Frontegg.ai and AgentLink to secure how AI systems and the Model Context Protocol access enterprise applications.
PostHog
PostHog is an all-in-one, open-source developer platform that bundles product analytics, web analytics, session replay, feature flags, A/B testing, experiments, surveys, error tracking, a customer data platform, and a data warehouse into a single stack engineers can self-host or run in the cloud. Founded in 2020 by James Hawkins and Tim Glaser through Y Combinator, it lets product engineers track usage, ship features, and keep customer data in one place rather than stitching together a dozen SaaS tools. The company reached unicorn status in 2025 with a $75M Series E at a $1.4B valuation.
James Hawkins
James Hawkins is the co-founder and co-CEO of PostHog, the open-source product analytics platform built for engineers. He pivoted five times inside Y Combinator's W20 batch before landing on PostHog, then turned a Hacker News launch and a single tweet into a developer cult following and a $1.4 billion valuation. A former marketing operator and self-described 'very bad developer,' Hawkins runs PostHog on radical transparency, tiny autonomous teams, and a refusal to be boring.
LaunchDarkly
LaunchDarkly is a feature management platform that lets software teams release, target, and measure code changes behind feature flags. Founded in 2014 in Oakland by Edith Harbaugh and John Kodumal, the company turned the homegrown 'if/else' toggle into an enterprise control plane used by more than 2,000 customers including Atlassian, IBM, Square, NBC, and Ryanair.
Edith Harbaugh
Edith Harbaugh is the CEO and co-founder of LaunchDarkly, the leading feature management platform trusted by over 5,500 organizations including 25% of Fortune 500 companies. She helped pioneer the feature flag category in 2014, scaling the company to $100M ARR, raising over $330M in venture capital, and building infrastructure that evaluates 45 trillion feature flags daily. A Harvey Mudd engineering alumna, patent holder, ultramarathoner, and co-host of the 'To Be Continuous' podcast, Harbaugh returned as CEO in 2025 to lead LaunchDarkly into the generative AI era.