Open source

Open, because trust should be verifiable.

Neruna Desktop is open source under the Mozilla Public License 2.0. Read the code, build it yourself, find bugs – or help out.

To the repository Contribute

MPL 2.0

Use, change, share – commercially too. Changes to Neruna's files stay open under the MPL.

MPL 2.0

What's open

The whole client: interface, providers, storage, tests and tools. Neruna Cloud and Control aren't public for now – how the client talks to them is in the open code.

Contributing

Report bugs, improve translations, contribute code. Code contributions come with a short contributor agreement (CLA).

CLA

Name & logo

“Neruna” and the logo are trademarks and not part of the licence. Forks are welcome – with their own name, logo and app registrations.

TRADEMARKS.md

Standing on the shoulders of

Avalonia, MailKit, MimeKit, BouncyCastle, Ical.Net, Entity Framework Core with SQLite and more – under MIT, Apache 2.0 or BSD licences.

THIRD-PARTY-NOTICES.md

Build it yourself

With the .NET 10 SDK, Neruna starts with sample data – no account needed:

git clone https://github.com/NerunaMail/NerunaDesktop.git
cd NerunaDesktop
dotnet run --project src/Client/Neruna.Desktop -- --demo

Roadmap

What's next.

Planned Planned

Mail to the admins when a device waits for approval
Calendar sharing per group
Neruna Control: everything on your own server
Signed Windows installer

Later Ideas

Linux and macOS packages
Exchange (EWS) as another provider
Organisation-wide address book

The roadmap is a plan, not a promise – order and scope may change.