The "Open Source Student Information System," or openSIS, claims to
lower a school district's total cost of ownership by 75 percent
when compared to comparable commercial systems. It includes student
demographics, contact information, scheduling, grade book,
reporting, report cards, transcripts, health records, attendance, a
built-in parent portal, and advanced security features. Operating
System: Windows, Linux."
Downloaded more than 7 million times, Stellarium is one of the most
popular open-source education apps available. With this app, you
can input coordinates for any point on earth and view the night
skies for any particular point in time. It's so accurate, it's even
used to power many planetariums. Operating System: Windows, Linux,
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