EdSurge has updated their EdTech Market Map – click on the link see this comprehensive list of products: https://www.edsurge.com/products
Their index now includes 650+ products categorized into five major sections based on the primary user and/or function of the product:
Products are further bucketed into 50+ subcategories such as Classroom Management or Social Studies products.
For tips on how to improve the effectiveness of communicating exactly what your product does, see:
https://www.edsurge.com/n/2013-09-10-a-new-look-at-the-edsurge-edtech-market-map