Official web-site:

http://goldendict.org/

Newer version for Windows:

https://github.com/goldendict/goldendict/wiki/Early-Access-Builds-for-Windows

Conversion (decompression) Lingvo *.lds to *.dsl format:

https://pypi.python.org/pypi/lingvoreader

it’s a python module. Install via

pip install lingvoreader

https://github.com/goldendict/goldendict/wiki/Early-Access-Builds-for-Windows