My chiptuners top list, by sub-genre ; it's not up to date, nor exhaustive :
Fakebit/bitpop:
https://soundcloud.com/laffethefox
https://soundcloud.com/rymdkraft
https://soundcloud.com/talkboyarcade
https://soundcloud.com/aethernaut
https://soundcloud.com/aq64
https://soundcloud.com/xylo
https://soundcloud.com/coda
https://soundcloud.com/fantomenk
https://soundcloud.com/x-agon
https://soundcloud.com/electric_children
https://soundcloud.com/adhesivewombat
https://soundcloud.com/bossfightswe
https://soundcloud.com/plants_humans

Happy fakebit:
https://soundcloud.com/malmen
https://soundcloud.com/xyce
https://soundcloud.com/motherchip

Demoscene legacy:
https://soundcloud.com/armagon
https://soundcloud.com/elmobo
https://soundcloud.com/yerzmyey
https://soundcloud.com/mattgrayc64
https://soundcloud.com/chiptune <= also known as rez
https://soundcloud.com/cerror
https://soundcloud.com/rockabit
https://soundcloud.com/doh_drd
https://soundcloud.com/c64-archives
https://soundcloud.com/c64sk
https://soundcloud.com/five-o-five
https://soundcloud.com/marktdkknight
https://soundcloud.com/ok3anos
https://soundcloud.com/joemcalby
https://mmcm.bandcamp.com/album/the-blossoming-years

'Epic'/rock/game music :
https://soundcloud.com/vgo
https://soundcloud.com/solomonster3
https://soundcloud.com/circuitbird

Raw chiptune VGM:
https://soundcloud.com/plrusek-chan

Modern / rawchip / dynamic:
https://soundcloud.com/polarbirds
https://soundcloud.com/deltacentauri
https://soundcloud.com/deathro-169368313
https://soundcloud.com/demoscenetimemachine
https://soundcloud.com/zalza
https://soundcloud.com/gusse_dsx
https://soundcloud.com/dachip

Modern / rawchip / calm:
https://soundcloud.com/fod-steve

Pop/Rock chiptune:
https://soundcloud.com/ttbchiptunes

Metal-like, power chiptune:
https://soundcloud.com/heos2a03
https://soundcloud.com/the-syntax-sin-tax
https://soundcloud.com/kommisar
https://soundcloud.com/swintonmusic
https://soundcloud.com/dunderpatrullen
https://soundcloud.com/aq64
https://soundcloud.com/martyn-davies-6
https://soundcloud.com/bsk_mob_squad_tokyo
https://soundcloud.com/auxcide
https://soundcloud.com/kartmaze
https://soundcloud.com/harumi-makoto

Various:
https://soundcloud.com/Xemogasa (formerly known as gh3fan98)
https://soundcloud.com/infodrive
https://soundcloud.com/spellingphailer
https://soundcloud.com/roboctopus
https://soundcloud.com/raphaelgoulart
https://soundcloud.com/the_hriday
https://soundcloud.com/octoboxrock
https://soundcloud.com/super_robotic_encounters

Mixes/various:
https://soundcloud.com/djcutman
https://soundcloud.com/dubmood
https://soundcloud.com/ensnare-1
https://soundcloud.com/sabrepulse

Ambiant:
https://soundcloud.com/breakbeatheartbeat
https://soundcloud.com/fodpug
https://soundcloud.com/dcapo1989

No idea what it's, but it sound good !
https://soundcloud.com/yuriys-amazon-com

Alternative chip
https://soundcloud.com/tiasu
https://soundcloud.com/treyfrey
https://soundcloud.com/c-jeff
https://soundcloud.com/ap0c
https://soundcloud.com/inversephase

Some bandcamps:
https://glenntai.bandcamp.com/
https://elmobo.bandcamp.com/
https://tettixashellinthepit.bandcamp.com/
https://tobyfox.bandcamp.com/
https://bignic.bandcamp.com/
https://rushjet1.bandcamp.com/
https://danimalcannon.bandcamp.com/
https://ubiktune.bandcamp.com/
https://dj-pie.bandcamp.com/
https://armcannon.bandcamp.com/

Derheynn