You could have downloaded TNCremo_en 3.2.404 from our software library for free. The actual developer of the free program is DR. JOHANNES HEIDENHAIN GmbH. The most popular versions among TNCremo_en users are 3.2 and 2.7. TNCremo_en lies within Internet & Network Tools, more precisely Network Tools.
From the developer:
TNCremo is a free PC software package for communication between PCs and HEIDENHAIN controls or programming stations. Data transfer is carried out over the network or the serial interface. The expanded range of features is enabled by the software release module (USB dongle) supplied with TNCremoPlus. It can create a screen dump of the control screen.
You may want to check out more software, such as TNCremoNT, which might be related to TNCremo_en.