0CC-FamiTracker (arp scheme mod and derivatives)
- ap0c                          - mega9man                      - Sinc-X
- Cohones                       - Miss Maboroshi                - Threxx
- Deathro                       - MrWimmer                      - Tom Miller
- DJ Dimeback                   - NASHEED PARTY CORPS.          - ViddyOtt
- dpc                           - pedipanol                     - w7n
- Dr. Merio/Blaze Weednix™      - Pyrasmoze                     - YobaHere
- FamicomForever (James)        - raphaelgoulart                - Yoda
- gotoandplay                   - Razerek                       - Zlew
- HertzDevil                    - Savestate                     - 杉ちゃん/Cryptomeria
- ImATrackMan                   - Scooblee                      - 無印劣品
- littlelamp100                 - Shywolf

FamiTracker 0.4.6 / 0.4.5
- 40Nix                         - jaxcheese                     - novakhord
- Airwe 阿威                      - kenshirotakahashi             - RRThiel
- AozoraOrigami                 - kulor                         - Sajo
- Blaze                         - KungFuFurby                   - Slammin
- ewk                           - loew                          - switchworks
- Frost                         - Michael Moffitt               - Tamanegi-Itame
- funute                        - nabec                         - TheMudkipMaster12
- Garvalf                       - Nate Slottow                  - 杉ちゃん/Cryptomeria
- hemlocker                     - Neon Big Bird

FamiTracker 0.5.0 betas
- Alexander283                  - Grayson S.                    - Molybdenum
- Amilgi                        - ImATrackMan                   - ollaxe
- cheechee                      - jaxcheese                     - Shywolf
- fireweed                      - keffie                        - Sky Yoshi
- Fishy Ash                     - limkin park ass               - TheMudkipMaster12
- fiv95                         - MiniMacro                     - Tobikomi
- GlennarN

FamiTracker 0.4.4 or before
- Amilgi                        - Jimmyoshi                     - nabec
- Deixis                        - keffie                        - RemakesMatt
- dusthillguy                   - Lukas Eriksson                - Ronto
- Estlib                        - meanings                      - 油壺
- Fool

MCK / PMCK / PPMCK
- Bun                           - MovieMovies1                  - SBR
- hydden                        - rana                          - Wiz.
- Kunlun Reactor                - ROPchiptune Labo.             - 油壺
- m_036

IT2NSF / S3M2NSF / SuperNSF
- dpc                           - NessAndHisFurby               - rolemusic
- KungFuFurby

NSD.Lib
- BEEPBOY                       - rana                          - Robokabuto
- Bow

Other
- Damian Yerrick                - OffGao

OFGS
- OffGao

Engine                  Count Exclusive
0CC-FamiTracker         32    27
FamiTracker 0.4.6       26    21
FamiTracker 0.5.0 betas 19    13
FT 0.4.4 or before      13    10
MCK/PMCK/PPMCK          10    8
IT2NSF/S3M2NSF/SuperNSF 4     2
NSD.Lib                 4     3
Other                   2     1
OFGS                    1     0
Total                   98

Duplicates:
- Amilgi              0CC-FT, FT050B
- dpc                 0CC-FT, 2NSF
- ImATrackMan         0CC-FT, FT050B
- jaxcheese           FT046, FT050B
- keffie              FT050B, OLDFT
- KungFuFurby         FT046, 2NSF
- nabec               FT046, OLDFT
- OffGao              OFGS, OTHER
- rana                MCK, NSD
- Shywolf             0CC-FT, FT050B
- TheMudkipMaster12   FT046, FT050B
- 杉ちゃん/Cryptomeria 0CC-FT, FT046
- 油壺                OLDFT, MCK