i'm not really setup to share but i'll toss out my regular top two choices in threads like this
for new stuff bordering on avant garde definitely check out
jaga jazzist if you're not already familiar with them. they're a norwegian 10 piece that have been playing together since high school. very awesome, i'd recommend starting with their 'a livingroom hush' album. their last release 'what we must' reminds me a lot of 'loveless' by my bloody valentine, i think it's the density of the production that really does it. either way here's a clip from ALH
YouTube - Jaga Jazzist - Animal Chin
my old school recommendation will always be
eric dolphy. he was a free jazz pioneer who played with the likes of charles mingus, ornette coleman, and john coltrane. his life and career were cut short by diabetes in 1964. i cannot recommend his 'last date' album enough, recorded just 3 weeks before his death it's fantastic from start to finish. his take on 'you don't know what love is' stands as my absolute top tune.
there's not a whole lot of solo dolphy stuff on youtube, but thankfully there's lots of mingus. including this full set featuring dolphy (to mingus' left).
YouTube - Charles Mingus Sextet - Live in Norway, 1964 Part 1