Time Till Open Source Alternative
Read OriginalThis article introduces the 'Time Till Open Source Alternative' (TTOSA) metric, measuring how long proprietary software lasts before a direct open-source alternative appears. Using data from 39 cases, it finds an average TTOSA of 7 years, but notes the trend is accelerating, with the current record at 244 days. It discusses the implications for software businesses in the GitHub era.
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