Leaping the chasm from proprietary to open: A survivor's guide
Overview
Bryan Cantrill's OSCON 2015 talk on moving a proprietary product to open source, drawing on Sun's history with Solaris and illumos, licensing choices and the relicensing after Oracle's acquisition.
On Hacker News
HN commenters cite it for the history of open source at Sun and Oracle, and for Cantrill's explanation of licensing choices.
Topics
Sources
Video by Bryan Cantrill, played through YouTube.
Data and selection notes
HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.
HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.
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Selection checks
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What people said