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A libpurple/Pidgin plugin for signald (signal, formerly textsecure).

signald is written by Finn Herzfeld.

An unofficial IRC channel exists on Freenode called ##purple-signald for those who use it.

Windows users and Linux users averse to signald may take a peek at purple-signal.

Getting Started


Known Issues

There have been reports of incoming offline-messages getting lost. As far as I observed, they are not lost but delayed and delivered after a restart of signald.


  • Core features:

    • Receive messages
    • Send messages
  • Additional features contributed by Hermann Kraus:

    • Receive files
    • Receive images
    • Send images
    • Receive buddy list from server

    Note: When signald is being run as a system service, downloaded files may not be accessible directly to the user. Do not forget to add yourself to the signald group.

  • Additional features contributed by Torsten:

    • Link with the master device
      Note: For linking with the master device, qrencode needs to be installed.
    • Automatically start signald
      Note: For automatically starting signald as a child proces, signald needs to be in $PATH.
    • Group Avatars
  • Additional features contributed by Brett Kosinski:

    • Support for group chats.
    • Fine-grained attachment handling (for bitlbee).

Instant Message

Missing Features

  • signald configuration (i.e. initial number registration)
  • Deleting buddies from the server
  • Updating contact details
  • Contact colors
  • Expiring messages
  • Messages with quotes

Security Considerations

UUIDs are used for local file access. If someone manages to forge UUIDs, bypassing all checks in Signal and signald, the wrong local files might be accessed, but I do not see that happening realistically.