| Platform | Country |
| 1. 24 Reader | Hongkong |
| 2. 24 symbols | Spain |
| 3. Amabook/digitalbook | Mexico |
| 4. Amazon | Worldwide |
| 5. Apple | US |
| 6. Arnoia | Spain |
| 7. Baker & Taylor | US |
| 8. Barnes & Noble | US |
| 9. Bolinda/Borrowbox | Australia |
| 10. Bookmate | Russia |
| 11. Ceebo | Germany |
| 12. Ciando | Germany |
| 13. CNPIEC | China |
| 14. Cyberlibris | France |
| 15. DangDang | China |
| 16. Dawson Books | |
| 17. De Marque | Canada |
| 18. Douban | China |
| 19. Duokan | China |
| 20. Ebooks Corporation | Australia |
| 21. EBSCO | US |
| 22. Elib | Sweden |
| 23. Ellibs | Finland |
| 24. Gardners Books | UK |
| 25. Google Play | US |
| 26. Handheld Culture | Hongkong |
| 27. iGroup | Singapore |
| 28. iReader | Hongkong |
| 29. Jing dong | China |
| 30. Kobo | Canada |
| 31. Mobilebook | Japan |
| 32. Nubico | Spain |
| 33. Numilog | France |
| 34. Odilo | US |
| 35. Open Publishing | Germany |
| 36. Overdrive | US |
| 37. Proquest | US |
| 38. Pubbles/Tolino Media | Germany |
| 39. Pubu | Taiwan |
| 40. Scribd | US |
| 41. Simplicissimus/Streetlib | Italy |
| 42. Snapplify | South Africa |
| 43. UDN | Taiwan |
| 44. Wheelers | New Zealand |
| 45. Youboox | France |
| 46. BiDi | Argentina |
| 47. Bookbeat | Sweden |
On Parkstone is a free interactive art blog in four languages, you will find weekly new articles on artists, art history, exhibitions, etc. Contributions welcome.