Similar to Simple Payload Loader, today PlayStation 4 developer @valentinbreiz (Twitter) and writer on CustomProtocol.com made available PS4 Payload Sender v1.0 followed by a v1.1 fix shortly afterwards for use with PS4 4.05 Exploited consoles. 
Download: PS4.Payload.Sender.exe / GIT
PS4 Payload Sender
Send payload to your PS4 (tried on 4.05)
Changelog
v1.0
Cheers to @Wultra for the heads-up in the PSXHAX Shoutbox on this nice alternative for sending PS4 payloads to version 4.05 jailbroken consoles. 
Download: PS4.Payload.Sender.exe / GIT
PS4 Payload Sender
Send payload to your PS4 (tried on 4.05)
Changelog
v1.0
- First release.
- That fix the null reference exception.