Penultimate Institute
Education A19-Media
Flexcil筆記與PDF編輯器
Flexcil Inc.
Kilonotes-Notes & PDF reading
Hefei T-Stack Information Technology Co Ltd
Notewise - 手寫筆記 & PDF
Notewise
Squid: Take Notes, Markup PDFs
Steadfast Innovation, LLC
Wacom Notes
Wacom Co. Ltd.
INKredible-Handwriting Note
WriteOn
Math Monsters (Full)
Penultimate Apps
Math Monsters
Football for Android (Full)