It has been free since 2011. No paywall, no trial expiration. The offline installer is also free.
Telerik JustDecompile was officially by Progress Software on April 2, 2024. Because it is a retired product, the official website no longer hosts direct download links for the public. telerik justdecompile offline installer link
If you previously had the product, you can continue using it, but for a new "solid" or official offline installer link, consider these remaining options: Official Sources (Restricted) Telerik Account Downloads It has been free since 2011