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"The power of simplicity. Onion Mail can manage emails in the normal network and in the onion network. Onion Mail protect your privacy and anonymity. No personal data is required to create an account and emails are encrypted with your PGP public key. "

Mathigon contains courses, activities and resources for the entire mathematics curriculum, all of which are completely free to use. We've made our content as flexible and accessible as possible - no matter how you like to teach, or which technology you and your students have access to.

"OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network."

Every search helps clean our oceans. Your searches raise revenue for our partners to remove garbage from the sea.

"Simpler than a will, safer than a note. WeExpire is an opensource tool for creating emergency notes that can be read by your trusted contacts only after your death or if you are seriously injured."