Red Hat turns free Linux into a subscription business — paid updates, support, an $84M IPO

In the late 1990s Red Hat had the opposite problem of most software companies: its product, the Linux operating system, was free by design, so there was no license to sell. Red Hat, founded in 1993, had become the best-known distributor of Linux by packaging the open-source system for businesses — but the commercial logic of charging for free code had to be invented. Its answer was to stop selling the software and sell the promise around it.

The mechanism was a subscription. Customers paid for updates, security maintenance and technical support as an ongoing service, while the underlying code stayed free to download and copy under the GPL. Bob Young, Red Hat's CEO, described the shift as a change 'to a subscription model in providing products to its customers' that had 'been well received' — in its first reported quarter as a public company, enterprise customers doubled from 17 to 34 and sales rose 95% year over year to $4.4 million.

Wall Street validated the idea in August 1999: Red Hat priced its initial public offering at $14 a share and sold six million shares for $84 million, led by Goldman Sachs. The stock soared sixfold to $85.25 within three days of trading, and by late September it had climbed to $112 — a 703% gain that made Red Hat one of the year's top IPO performers.

The model outlived the dot-com boom that inflated the stock. Red Hat refined paid subscriptions into its core enterprise business, and in October 2018 IBM agreed to acquire the company for about $34 billion, or $190 a share — a price that treated the 'free software, paid reliability' formula as one of the most valuable ideas in enterprise technology.