Open-source Exchange OWA/EWS desktop client for macOS Apple Silicon and Windows x64. Mail, calendar, contacts and a macOS meeting widget. No Aster cloud or telemetry.

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5 Open Issues Need Help Last updated: Oct 29, 2026

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Open-source Exchange OWA/EWS desktop client for macOS Apple Silicon and Windows x64. Mail, calendar, contacts and a macOS meeting widget. No Aster cloud or telemetry.

JavaScript
#calendar#contacts#desktop-app#electron#email-client#ews#exchange#javascript#macos#mail-client#microsoft-exchange#outlook#owa#privacy#windows
documentation help wanted good first issue

Open-source Exchange OWA/EWS desktop client for macOS Apple Silicon and Windows x64. Mail, calendar, contacts and a macOS meeting widget. No Aster cloud or telemetry.

JavaScript
#calendar#contacts#desktop-app#electron#email-client#ews#exchange#javascript#macos#mail-client#microsoft-exchange#outlook#owa#privacy#windows

Open-source Exchange OWA/EWS desktop client for macOS Apple Silicon and Windows x64. Mail, calendar, contacts and a macOS meeting widget. No Aster cloud or telemetry.

JavaScript
#calendar#contacts#desktop-app#electron#email-client#ews#exchange#javascript#macos#mail-client#microsoft-exchange#outlook#owa#privacy#windows
documentation help wanted good first issue

Open-source Exchange OWA/EWS desktop client for macOS Apple Silicon and Windows x64. Mail, calendar, contacts and a macOS meeting widget. No Aster cloud or telemetry.

JavaScript
#calendar#contacts#desktop-app#electron#email-client#ews#exchange#javascript#macos#mail-client#microsoft-exchange#outlook#owa#privacy#windows
documentation help wanted good first issue windows

Open-source Exchange OWA/EWS desktop client for macOS Apple Silicon and Windows x64. Mail, calendar, contacts and a macOS meeting widget. No Aster cloud or telemetry.

JavaScript
#calendar#contacts#desktop-app#electron#email-client#ews#exchange#javascript#macos#mail-client#microsoft-exchange#outlook#owa#privacy#windows