ProtonMail apps are now open source and independently audited April 23, 2020 by admin Tweet All of the ProtonMail apps are now open source and have passed independent security audits. The announcement comes after Proton open sourced the Android application earlier on today. Read more… Neowin Related Posts:Proton confirms a ProtonMail app for Windows is in…You can now claim a proton.me email address at…Microsoft won't ban open-source apps from its app…Now official: Paid open-source apps are allowed in…SimpleLogin joins the Proton family but will…