Hi,

Disclaimer: IANAL

No, the LGPL does not require the release of *sources* of your application. However, there are extra requirements to the *binaries* (especially related to being able to replace the Qt libraries you're providing). In general, if you're using Qt libs from a user accessible directory/source, you're likely ok. This is especially tricky on mobile - in my (IANAL) reading, Ministro is OK, but bundling the Qt libs within apps is a grey area at best unless you take extra precautions regarding the disclaimers/instructions.

Best regards,
Attila Csipa

On 05/03/14 11:13, Ramakanthreddy Kesireddy wrote:

I have read something like below:

Applications using Qt that use the open-source licenses need to follow the same license, so their source would need to be made available.

We are using Qt Open source license under LGPL v2.1 + execption.

Do we need to make our application source code available in this regard?

Best Regards,

Ramakanth


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