1. Academic Papers Database
2. AcademicKeys
3. Advanced Science Index 
4. African Quality Centre For Journals
5. BIOJ
5. CFPLIST
6. Contemporary Research Index
7. COSMOS Impact Factor
8. Index Copernicus
9. Current Index to Scholarly Journals
10. Digital Journals Database
11. Directory of Abstract Indexing for Journals
12. Directory of Academic Resources
13. Directory of Indexing and Impact Factor
14. Electronic Journals Library
15. Elite Scientific Journal Archive
16. Eurasian Scientific Journal Index 
17. General Impact Factor
18. Global Impact Factor
19. GSCIF
20. IIFS
21. IIJIF
22. Ijindex
23. IJI-Thomsonreuters 
24. Infobase Index
25. International Institute of Organized Research 
26. ISIFI
27. J-Gate
28. Jour Informatics
29. Journals Directory
30. Journalseeker
31. Journaltocs
32. Oajournals
33. Open Academic Journal Index
34. Quality Factor
35. Recent Science Index
36. ResearchBib
37. Scholar Impact
38. Scholarly Journals Index
39. Scholarsteer
40. Science Impact Factor
41. Science Library Index
42. Scientific Publication Index
43. Scientific Resources Database
44. Scientific World Index
45. Scipio
46. Sindexs
47. SIS
48. SJIF
49. Sjournal Index
50. Universal Impact Factor
51. World Catalogue of Scientific Journals
52. Central and Eastern European Online Library
53. EconBiz
54. International Institute for Research Impact Factor Journals