OpenSyllabus vs General Index

How do OpenSyllabus and General Index compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.

Directory details: OpenSyllabus and General Index
Directory detail	OpenSyllabus	General Index
What it is	Open Syllabus maps college curricula across millions of syllabi and provides course matching and analytics.	The General Index provides three tables derived from more than 107 million journal articles, including an n-gram table.
Website	opensyllabus.org	archive.org/details/GeneralIndex
Type	Website	Website
Topic	Research & Study Tools	Research & Study Tools
Pricing	Not confirmed	Not confirmed
Platforms	Web	Android, iOS, Web
Open source	Not stated	Not stated
Language	English	English
Alternatives	24 alternatives	24 alternatives