Mojot A1
A1 Makedonija DOOEL Skopje
A1-Deutsch
Deutscher Volkshochschul-Verband
Моят А1
A1 Bulgaria
Spelling Bee
Socratica, LLC
Moj A1
A1 Slovenija, d. d.
Kids Spelling
Infocom Studios
Spelling and Grammar
Eductify
Grammer & Spelling Checker
Techno Tek Apps
Hooked on Spelling
Hooked on Phonics
Spelling Matching Game
ACKAD Developer.