I've collected here a few web site Content Management System (CMS) projects from SourceForge. While there are hundreds of such projects there, I chose only the following, the common factor with them being:

• programmed in PHP
• no database used (projects in bold)
• project aims to be simple, no fancy stuff included

1. itemplate
2. phite
3. izumi
4. vsourcewebedit
5. klondike
6. sphpblog
7. pointcomma
8. associated
9. phpwebed
10. dbmv2
11. tipiwiki
12. bardcms
13. contentor
14. phposxom
15. wwedit
16. wikirootry
17. fsphp
18. psm
19. sflog
20. ezupdate
21. phpforume
22. thrashblog
23. marsuphp
24. cmsplain
25. webspace
26. niche
27. blogphpscript
28. nookee
29. nocodecms
30. machcms
31. cupcakecms
32. geblog
33. tportal-trepan
34. nice-stash
35. k-cms
36. monoedit
37. thacmus
38. willowgarden
39. bleizi
40. cmsdam
41. ze-cme
42. bloxx
43. smallaxe
44. crpgs
45. zomg
46. phppublisher
47. phpcontrolboard
48. flowercms
49. gucms
50. hd-isk
51. bp-cms
52. vae-soli
53. genesiscms
54. bog
55. elseif
56. ezpzcms
57. fudgetogether
58. badcms
59. edderkopp
60. chimpmanage
61. minicms