Nextcloud seems extensible enough for it to work[1][2]. [1] https://help.nextcloud.com/t/search-images-for-content-of-image/43875 https://help.nextcloud.com/t/

Nextcloud seems extensible enough for it to work[1][2]. [1] https://help.nextcloud.com/t/search-images-for-content-of-image/43875 https://help.nextcloud.com/t/search-images-for-content-of-im... [2] https://apps.nextcloud.com/apps/ocr https://apps.nextcloud.com/apps/ocr