Now that everybody is talking about flying helicopters with free, open source software in other planets. For a context: development activity of @NASA open source software in @github https://cauldron.io/project/3745?from_date=2011-02-19&to_date=2021-02-19&tab=overview
More than 150 active authors per month, and growing. More than 1,500 changes to the code per month, and growing. Half the pull requests reviewed in about one day, half the issues closed in about 14 days. Aren't these interesting metrics?