Epihub - Shopify for tutoring, training, and online schools
TempMail - Temp Mail is the provider of fake and temporary email ID.
Traverse - Barcoding solution for small to midsize businesses
Mailinator - Any Inbox. Any Time.
DIY Air Purifier - Build your own air purifier for under $100
10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.