https://devzone.nordicsemi.com/f/nordic-q-a/56079/nrf5340-development-without-zephyrOur organization is evaluating nRF5340 for future connected products. We are working with a proprietary OS and using the Zephyr RTOS on the Application core is not a viable option for us. (Using the Zephyr BLE Controller on the Network core is viableen-USTelligent Community 13Mon, 06 Jan 2020 09:07:45 GMThttps://devzone.nordicsemi.com/thread/227603?ContentTypeID=1Mon, 06 Jan 2020 09:07:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4258b06f-2c04-4b99-b76f-1ac09a32411b&#216;yvind<p>Hello,&nbsp;<br /><br /><span>Happy New Year to you, too!<br /><br /></span>I&#39;m sorry, I do not know what the future will bring. For questions regarding our road maps, please contact your local RSM. If you do not know who this is, please send me a DM with your location.&nbsp;<br /><br />Kind regards,<br />Øyvind</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/227566?ContentTypeID=1Mon, 06 Jan 2020 06:33:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ef7ffbd0-55be-403f-af3d-20c6a9e80c24Zoltan Mayer<p>Hi&nbsp;&Oslash;yvind,<br />Thank you for your reply and happy new year!<br /><br />I&#39;m still wondering about Bluetooth Low Energy development on nRF5340 without Zephyr. Will Nordic provide an RTOS agnostic BLE <strong>host stack</strong> in the future?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/227243?ContentTypeID=1Thu, 02 Jan 2020 13:22:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b8019f29-36e3-47a9-907e-eace9ab31808&#216;yvind<p>Hello,&nbsp;</p> [quote user=""]In general, will there be completely &quot;Zephyrless&quot;&nbsp;drivers and libraries available for the nRF53 series?[/quote] <p>&nbsp;At this moment, no. For a &quot;zephyrless&quot; solution your best approach will be with the <a href="https://github.com/NordicPlayground/nrfxlib">nRFX library</a>, as we do not have any other BLE hosts than Zephyr.<br /><br />Kind regards,<br />Øyvind<br /><br /></p><div style="clear:both;"></div>