Nebula Secure private messenger
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Invite-only · admin approved

Quiet conversations.
Serious privacy.

A focused private messenger for people you actually know. Approved members, protected sessions, and private media — without the noise of a public network.

Request access I already have an account
  • No public discovery
  • Protected sessions
  • Voice & realtime
Built for a small, trusted circle

Everything you need. Nothing you don't.

Request-to-join

Every registration is reviewed by an administrator. Access is deliberate, not accidental.

Realtime by default

Instant delivery, typing indicators, read receipts, edits and replies over authenticated WebSockets.

Voice that feels close

Record, preview and send voice notes. Private media is served only to conversation participants.

Moderation with receipts

Approvals, suspensions, bans and step-up authentication are recorded in a protected audit trail.

Security, stated plainly

Protected where it matters.

Nebula uses Argon2id password hashing, opaque server-side sessions, signed CSRF tokens, strict authorization checks and private attachment access. Every sensitive action is validated on the server — never trusted from the browser.

Nebula is not end-to-end encrypted. Messages are protected in transit and at rest on the server you control. We would rather be clear than overclaim.

  • 01
    Approval-only community

    No default admin, no open sign-ups, no public directory.

  • 02
    Server-side identity

    Your session — not a request parameter — decides who you are.

  • 03
    Private by authorization

    Attachments and avatars are checked against the requester's access.

  • 04
    Auditable administration

    Moderation actions are logged and destructive changes require a password.

The door is closed on purpose

Ask for an invite.

Create a request, then an administrator will review it. Once approved, you can sign in and start a conversation with people you trust.

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