Software Downloads

Time Tagger 20 and Ultra

Software package with example programs for Python, Matlab, LabVIEW, C++, C#, .NET, and Mathematica. The programming examples can be found within the installation directory (e.g. c:\Program Files\Swabian Instruments\Time Tagger) in the subfolder examples.

Time Tagger 2.6.4

Time Tagger 2.6.2

Time Tagger 2.4.4

Pulse Streamer 8/2

We recommend to use the Pulse Streamer with our most recent client software which is provided for Python (also available via PyPI), Matlab and LabVIEW, including programming examples. In addition, there is a simple graphical user interface for Windows.

Pulse Streamer 1.2

NOTE: We recommend to update all devices shipped before January 2020 to our current firmware v1.2.0. Devices shipped before November 2018 require a firmware update to be compatible with the most recent software.

Visit to upgrade your firmware.


The DLnSec Laser does not require a driver or software installation. It is controlled via the serial port over an SCPI protocol. As an example, a python class is provided that represents the functionality of the DLnSec.

DLnSec 1.0