Audacity's dirty stretch-tempo applied to Freeound #233554 by oceanictrancer.
variant of Freesound #233314  Sounds acoustic but is entirely synthesised.
a little bit of freesound #233275 by vladj http://www.freesound.org/people/vladj/sounds/233275/ looped and processed.
Only a little different from the original by foolboymedia ... http://www.freesound.org/people/FoolBoyMedia/sounds/222066/ This remix has more bass , hint of flanger ...
(overly?) glitched remix of bit of foolboymedia's "80s-vibe.wav" http://www.freesound.org/people/FoolBoyMedia/sounds/231257/ This remix is loopable , (and sounds better when downloaded).
Remix of Freesound 232849 by jimimod ... http://www.freesound.org/people/JimiMod/sounds/232849/ Remix is mostly processing in DTBLKFX a free VST circa 2008 [Windows ...
see title. [sounds different when downloaded ]
remix of Freesound #138101 by snakebarney, a flash-charging whine-sound
Synthesised robot heart noise , a bit like an electric bass guitar , there's a few usable ones in there
Attempt to remove noise from freesound #13570 by acclivity ... http://www.freesound.org/people/acclivity/sounds/13570/ The noise reduction is a request ... http://www.freesound.org/forum/sample-requests/34914/74002
realistic , but synthesised metal clang with (too?) long reverb
like computer noise when a peripheral device plugged-in or unplugged it's #5 & #6 from here ... http://www.freesound.org/people/Timbre/sounds/232209/
Synthesised computer alert noise. take #5 sounds almost professional
processed version of Freesound # 232115 by tec-studios. Now bassier and stereo
Remix of Freesound #231433 , fixed the click and added spatial [sic] effects. IMO the best one starts at 54 ...