Download

Herkos Mail is not released yet. This page will list the installers as soon as the first build is published; nothing below is available to download today.

Not released yet

We would rather have an empty page than a download button that installs something untested. When the first release is out, it will appear on the Releases page and here, with checksums.

Planned for the first release

Android — APK from the Releases page, and Zapstore. The build has no Google services in it and uses UnifiedPush for notifications.
Linux — .deb and AppImage.
Windows — portable zip and an MSIX installer (x64).

Later

macOS and iOS, once the signing and notarisation side is in place.
A web version.

Build it yourself

You do not have to wait for us, and you do not have to trust our binaries:

git clone https://github.com/Herkos-project/Herkos.git
cd herkos/apps/nmail_foss
flutter pub get
flutter build apk --release

A recent Flutter stable channel is enough for mobile. Desktop builds also need cmake and a C/C++ toolchain, because some dependencies compile native code.