Watchers
- akeboshi
- akiakabaDMM.com LLC
- AkiraHagino
- arcizancraftsman-software, Inc.
- atsfour
- ChieKondo
- dnaitou
- gakuzzzzTech to Value
- hiraivaOpt, Inc. / Demand Side Science, Inc.
- hiro106OPT, Inc.
- hiroakii77OPT Inc.
- hiroshist
- hoshinodisTokyo, Japan
- jhcloos
- kamiike-optLaquda Inc,
- Keita-NTokyo
- kmizuOsaka, Japan
- ma-ueda
- opt-readonlyOpt, Inc.
- opt-tomoaki-tanaka
- ovrmrwOPT, Inc.
- rikiponMeguro-Ku,Tokyo,Japan
- saikyouyaki
- sh0heiTokyo, Japan
- sh1okoh
- t-mochizukiJapan
- takayahiltonJapan
- tanaka-hidekazu
- technicakidzOpt, Inc.
- thattori
- ushjp
- vertical-blanktakadanobaba
- yamaguchi-opt
- yellow-blackJapan
- yorishigeito
- yuichi-nishimura