Over the past several months, we have noticed that in web design the use of flashy illustrations, extraneous textures and drop down shadows were minimized if not totally removed. This is due to the growing influence of flat design – a user-centric web design style.
Microsoft, Google and now even Apple is digging this design trend. If you have observed that you were left behind and you still have those beveled, bulged and eye popping gradients, you can catch up by learning the Basic Principles of Flat Design .
And here is more to help you get started. I compiled 100+ FREE downloadable Flat UI kits to help you kickin’ in no time.
UI kits are great packages for starters for they can save you time, which is important when you are catching up the trend. These kits usually come in PSD file formats and include brushes, patterns and a lot of user interface elements.
Premium: Flat UI Pro, a professional design framework

1. Flat AP UI Kit
From: Andrew Preble

2. Featherweight UI – A free, vector based and retina ready UI kit
From: Sara Hunt

3. Flat UI Free – PSD&HTML User Interface Kit
From: Designmodo

4. FREE flat UI kit.
From: Visualcreative.cz

5. UI Kit
From: Abhimanyu Rana

6. Polaris UI Free – User Interface Pack
From: Designmodo

7. Square UI Free – User Interface Kit
From: Designmodo

8. Freebie PSD: Flat / UI Kit
From: Sebastiaan Scheer

9. #flatlyfe UI Kit [FREEBIE]
From: Dylan Opet

10. Flat UI
From: Andy Law

11. Blog/Magazine Flat UI Kit
From: Raul Taciu

12. PSD Flat UI Kit Template Vol2

13. Simple UI Kit with Flat Colors

14. Free flat UI kit (.psd freebie)
From: Emanuel Serbanoiu

15. Flat Design UI Kit Vol. 1
From: Bloom Web Design

16. EVEN: A FLAT UI KIT
From: Adam Robertson

17. The Free Modern Touch Kit

18. Free Color UI Kit
From: Cüneyt ŞEN

19. Flat UI Kit
From: JAN DVOŘÁK

20. SmoothBerry – Free UI Kit
From: Mansoor MJ

21. Free Minimal UI Kit
From: Ramil Derogongun

22. Mega Flat UI Kit
From: Kim

23. UI Kit – Free PSD
From: Rebecca Machamer

24. Vertical Infinity – A Mega Flat Style UI Kit PSD
From: cssauthor.com

25. Flat UI Kit (Free PSD)
From: Devin Schulz

26. Metro UI kit

27. Flat UI Kit
From: Zachary VanDeHey

28. Beach GUI
From: Mike Clarke

29. UI Kit – Free download
From: Hüseyin Yilmaz

30. Dark UI Kit – Free download
From: Hüseyin Yilmaz

31. Flat UI Freebie Pack
From: Shaun Stehly

32. remember.me – Application Artboards (Free PSD)
From: Amit Jakhu

33. Flat Design UI Components
From: Raul Taciu

34. Free Flat UI Kit
From: Enes Danış

35. Flat dashboard. Free UI kit PSD
From: Prowebdesignro

36. Flat Web & UI Kit Final Pack
From: Dart 117

37. UI Kit
From: Jamie Syke

38. UI/UX Flat design – Free PSD
From: Julie Champourlier

39. Freebie PSD: Flat UI Kit
From: Riki Tanone

40. Freebie PSD: Flat UI Kit 2 (Blog)
From: Riki Tanone

41. Flat UI Design Kit PSD
From: Asim Craft

42. UI Kit (Free PSD)
From: Sanadas Young

43. Flat UI Kit – Freebie PSD
From: Ryan Bales

44. Avengers Flat UI Kit
From: Tristan Parker

45. flat UI kit
From: Daniel

46. Responsive UI Kit (PSD)
From: Emrah Demirag

47. UI KIT – 1 PSD SET (FREE)
From: PremiumPsds

48. Freebie: UI Kit PSD
From: Andreea Nicolaescu

49. Flatastic UI
From: Designerzbase

50. Flat UI Kit
From: Eric Bieller

51. Flatilicious User Interface Free
From: Patrick M.

52. Free PSD: Flat UI Kit
From: Blazrobar.com

53. Flat UI Elements
From: andrewbeckwith.com

54. Free Flat UI Kit
From: Wahib El Younssi

55. Free Deal: Flat User Interface Set
From: inkydeals.com

56. Flatter- A Free UI Kit
From: Andrew Coyle

57. Freebie PSD: Oniam UI Kit
From: Federico Espinosa

58. Flat UI Kit (free download!)
From: webdesignerdepot.com and freepick.com

59. (FREE PSD) Flat UI
From: Zeki Ghulam (Flat & Filthy)

60. Orange/Cyan UI
From: Marc Konno

61. Tablet-Friendly Almost Flat UI Kit
From: Monkee-Boy.com

62. Flat + Transparent UI
From: Monkee-Boy.com

63. Flat UI kit

64. Ecommerce Flat UI Kit Vol.1 (PSD)

65. Minimize UI Kit
From: Alessio Atzeni

66. Free Flat Design UI/UX Kit
From: Julie Champourlier

67. Human After All -UI Kit Free
From: Tim Meissner

68. UI/UX Flat Design Kit – Neon Theme – FREE PSD
From: Julie Champourlier

69. Flat UI Kit – Free Download
From: Mark Peck

70. Gideo UI Kit
From: Paul

71. Flat UI Kit Free
From: Giuseppe Severo

72. Free RockMedia Media UI Kit
From: Lester Gonzales

73. Free modern UI PSD
From: Fatih Ocak

74. Flat UI Kit

75. REDMILK FREE UI Elements (PSD)
From: Emile Rohlandt

76. Metrostyle Web UI Kit (PSD)
From: Josep Roselló

77. touch50px UI Kit (PSD)
From: Angelo

78. UI/UX Flat Design – Sorbet Theme – Free PSD
From: Julie Champourlier

79. Flat Design Buttons for Websites
From: Asim Craft

80. UI Kit
From: Sanadas Young

81. Grooveshark PSD (Flat redesign)
From: Zeki Ghulam (Flat & Filthy)

82. Metro Vibes UI Kit (PSD)
From: Pixelkit.com

83. Free Flat Flags
From: Muharrem Şenyıl

84. “Pizza” UI Kit – PSD
From: Boris Valusek

85. Eerste – Flat User Interface Kit That Is Free To Download
From: Designyourway.net

86. Minimal Blue UI Kit

87. Weekly Freebie – Reservation Box

88. Metro UI Kit

89. Metro UI KitRegister UI — Free PSD included
From: Ionut Zamfir

90. Friends list UI (Free PSD)
From: Nicolas Mata

91. Sign Up Form
From: Dylan Opet

92. Flat Web Ui
From: Josep Roselló

93. Simple UI – Free PSD included
From: Ionut Zamfir

94. Simplistic UI Kit
From: Tanveer Junayed

95. Flattastic Free
From: Vlade Dimovski

96. Ui Kit [Free PSD]
From: Pele Chaengsavang

97. Freebie PSD: UI Kit
From: Patryk Adaś

98. Transparent freebie
From: Patryk Adaś

99. Simple UI Kit – Free
From: Sadat

100. Freebie PSD: Flat & Casted Long Shadow UI Kit
From: Jacopo Spina

101. RED UI

102. Leo

103. Almost Flat Dark UI Pack

104. City Break UI Kit

105. Arctic Sunset GUI Kit Free PSD (Exclusive)

106. Sweet Candy UI Kit

Having a library of UI elements can help you make your design process faster.
Download these Free UI kit now and you will never get left behind!
Hands down to our great designers who share their works for free!
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