There are 20,444 titles available from DOAJ Directory of Open Access Journals

  1. Ulumuna (ISSN: 1411-3457,EISSN: 2355-7648)
  2. Uluslararası Ekonomi, İşletme ve Politika Dergisi (EISSN: 2587-2559)
  3. Uluslararası Eğitim Araştırmacıları Dergisi (EISSN: 2667-4998)
  4. Uluslararası Halkla İlişkiler ve Reklam Çalışmaları Dergisi (EISSN: 2636-753X)
  5. Uluslararası Iktisadi ve Idari Incelemeler Dergisi (EISSN: 1307-9859)
  6. Uluslararası Politik Araştırmalar Dergisi (ISSN: 2528-9969,EISSN: 2149-8539)
  7. Uluslararası Sosyal Bilimler Dergisi (ISSN: 2564-7695,EISSN: 2564-6486)
  8. Uluslararası Türk Lehçe Araştırmaları Dergisi (EISSN: 2587-1293)
  9. Uluslararası Uygur Araştırmaları Dergisi (EISSN: 2458-827X)
  10. ̒Ulūm va fanāvar-i rang (Online) (ISSN: 1735-8779)
  11. Umanistica Digitale (EISSN: 2532-8816)
  12. Umde dini tetkikler dergisi (Online) (EISSN: 2667-4939)
  13. Umjetnost Riječi (ISSN: 0503-1583,EISSN: 1849-1693)
  14. Umm Al-Qura University Journal of Applied Sciences (ISSN: 1658-8185)
  15. UMT Education Review (ISSN: 2616-9738,EISSN: 2616-9746)
  16. Umática (ISSN: 2659-5354,EISSN: 2659-8574)
  17. UnaKοινῇ (EISSN: 2724-4261)
  18. Unconventional Resources (ISSN: 2666-5190)
  19. Undercurrents (EISSN: 2513-1427)
  20. Undergraduate Journal of Mathematical Modeling: One + Two (ISSN: 2326-3652)
  21. Undergraduate Journal of Politics and International Relations (EISSN: 2398-5992)
  22. Undergraduate Journal of Service Learning and Community-Based Research (EISSN: 2769-2256)
  23. underground Space (ISSN: 2096-2754,EISSN: 2467-9674)
  24. Unes Journal of Swara Justisia (ISSN: 2579-4701,EISSN: 2579-4914)
  25. Unesa Journal of Chemical Education (ISSN: 2252-9454)
  26. UNESA Journal of Chemistry (ISSN: 2252-8180)
  27. Uni-pluriversidad (ISSN: 1657-4249,EISSN: 2665-2730)
  28. Uniciencia (ISSN: 1011-0275,EISSN: 2215-3470)
  29. Uniletras (ISSN: 0101-8698,EISSN: 1983-3431)
  30. UNILUS Ensino e Pesquisa (ISSN: 1807-8850,EISSN: 2318-2083)
  31. Uningá review (ISSN: 1807-5053,EISSN: 2318-0579)
  32. UNINGÁ Review (ISSN: 2178-2571)
  33. Uniped (ISSN: 1893-8981)
  34. Universa Medicina (ISSN: 1907-3062,EISSN: 2407-2230)
  35. Universal journal of history and culture (Online) (EISSN: 2667-8179)
  36. Universal journal of mathematics and applications (Online) (EISSN: 2619-9653)
  37. Universe (ISSN: 2218-1997)
  38. Universidad en Diálogo (ISSN: 2215-2849,EISSN: 2215-4752)
  39. Universidad Médica Pinareña (EISSN: 1990-7990)
  40. Universidad y Empresa (ISSN: 0124-4639,EISSN: 2145-4558)
  41. Universidad y Salud (ISSN: 0124-7107,EISSN: 2389-7066)
  42. Universidad y Sociedad (ISSN: 2415-2897)
  43. Universidad, Escuela y Sociedad (EISSN: 2530-1012)
  44. Universita Ciencia (EISSN: 2007-3917)
  45. Universitas Humanística (ISSN: 0120-4807,EISSN: 2011-2734)
  46. Universitas Scientiarum (ISSN: 0122-7483,EISSN: 2027-1352)
  47. University Library at a New Stage of Social Communications Development (EISSN: 2707-0476)
  48. University of Bologna Law Review (ISSN: 2531-6133)
  49. University of Bucharest Review. Literary and Cultural Studies Series (ISSN: 2069-8658)
  50. University of Chitral Journal of Linguistics and Literature (ISSN: 2617-3611,EISSN: 2663-1512)