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…Microsoft won't ban open-source apps from its app…Microsoft explains how you can run MS-DOS 4.00 that…You can now claim a proton.me email address at…Now official: Paid open-source apps are allowed in…