沢山出てきていい加減もう見飽きた感も正直ありますが、見つけてはメモしていたフラットデザインのアイコンセットがかなりの量になっていたので整理兼ねてシェアします。

紹介しているアイコンを使用する際は、ライセンス等は各自で再度確認してください。

November 17, 2014 追記

Add 20 icon.

July 22, 2014 追記

Add 40 icon.

January 15, 2014 追記

Add 20 icon.

Flat Design Icons Set Vol1

Flat Design Icons Set Vol1

Flat Design Icons Set Vol2

Flat Design Icons Set Vol2

Flat Design Icons Set Vol3

Flat Design Icons Set Vol3

Flat Design Icons Set Vol4

Flat Design Icons Set Vol4

Flat Icons: More Than 3600 Icons

Flat Icons: More Than 3600 Icons

Flat Icons Vanilla Choc Chip Theme

Flat Icons Vanilla Choc Chip Theme

Flat icons (PSD) – 3 Dribbble invites

Flat icons (PSD) – 3 Dribbble invites

Flat icons (PSD) #2

Flat icons (PSD) #2

Free program icons

Free program icons

20 Flat Icons (PSD)

20 Flat Icons (PSD)

Flatilicious – 48 Free Flat Icons

Flatilicious – 48 Free Flat Icons

24 Flat Icons (PSD)

24 Flat Icons (PSD)

Plex

Plex

Cosmo mini free

Cosmo mini free

Freebie PSD – Flat Icons

Freebie PSD – Flat Icons

Free Flat Icons

Free Flat Icons

Free Flat Icon Set

Free Flat Icon Set

Big Flat Icons (.sketch)

Big Flat Icons (.sketch)

Freebie – Flat Credit Cards

Freebie – Flat Credit Cards

Flat Web Browser Icons

Flat Web Browser Icons

Flat Icons Pack.

Flat Icons Pack.

Some colorful flat icons PSD

Some colorful flat icons PSD

Flat Icons Brownie Theme

Flat Icons Brownie Theme

@2x Flat icon set [PSD]

@2x Flat icon set [PSD]

Free web icon

Free web icon

My Desktop Icons

My Desktop Icons

Varient Flat Custom CS Icons

Varient Flat Custom CS Icons

MMII FLAT icons Vol.1

MMII FLAT icons Vol.1

MMII FLAT icons Vol.2

MMII FLAT icons Vol.2

MMII FLAT icons vol.3

MMII FLAT icons vol.3

12 Flat Icons – Free

12 Flat Icons – Free

Flats

Flats

Adobe Flat Icons [PSD]

Adobe Flat Icons [PSD]

Light Android Icons Set

Light Android Icons Set

Flat File Icons (PSD)

Flat File Icons (PSD)

60 SEO Services Icons

60 SEO Services Icons

Apple devices – Flat icons (PSD)

Apple devices – Flat icons (PSD)

Flatties

Flatties

Category Icons

Category Icons

Flat Icons Freebie (AI)

Flat Icons Freebie (AI)


Add: January 15, 2014.

Softies Icons

Softies Icons

5 O'Clock Shadows Icon Set

5 O'Clock Shadows Icon Set

Beautiful Flat Icons

Beautiful Flat Icons

Free flat round icons set

Free flat round icons set

Free Set Colorful Ficons Icons +10

Free Set Colorful Ficons Icons +10

Flat icons set – Free

Flat icons set – Free

Free Vector Flat Icons

Free Vector Flat Icons

配布終了したようです。

16 Free Flat Icons

16 Free Flat Icons

SMALLICONS

SMALLICONS

Ballicons

Ballicons

Classic Flat Design Icons Set

Classic Flat Design Icons Set

配布終了したようです。

Stylicons

Stylicons

配布終了したようです。

It's Flat - Icon Set

It's Flat - Icon Set

Free Flat Icons

Free Flat Icons

Modern long shadow icons

Modern long shadow icons

48 flat designer icons

48 flat designer icons

Another Free Flat Icons

Another Free Flat Icons

Free Flat Style Icon Pack

Free Flat Style Icon Pack

Long Shadow Mobile Icons Set

Long Shadow Mobile Icons Set

Google JFK Icons

Google JFK Icons


Add: July 22, 2014.

Surfing Icons

Surfing Icons

Minties Icons

Minties Icons

Stationery Icon Set (EPS, AI, PSD)

Stationery Icon Set (EPS, AI, PSD)

Flat OS X Icons (Free Download)

Flat OS X Icons (Free Download)

16 Free Flat Icons

16 Free Flat Icons

Flat Icons / PSD

Flat Icons / PSD

Free Flat Icon Set - Part 1

Free Flat Icon Set - Part 1

Free Flat Circle Icon - Part 2

Free Flat Circle Icon - Part 2

Flat Shopping Icon Pack: 35 Free Shopping Icons

Flat Shopping Icon Pack: 35 Free Shopping Icons

Beautiful Flat style icon set (EPS,AI,PSD,PNG)

Beautiful Flat style icon set (EPS,AI,PSD,PNG)

12 Free Vector Flat Icons

12 Free Vector Flat Icons

Business Flat Icons (FREE Vector)

Business Flat Icons (FREE Vector)

Free Flat Icons

Free Flat Icons

Flat Icons

Flat Icons

Flat Jewels Free Icon Set

Flat Jewels Free Icon Set

Ballicons 2 Icon Set (PNG, PSD, SVG)

Ballicons 2 Icon Set (PNG, PSD, SVG)

Flat Icon Set (60 Icons, PNG, SVG, EPS, PSD, AI)

Flat Icon Set (60 Icons, PNG, SVG, EPS, PSD, AI)

The Fitflat Icon Set: 10 Free Flat Icons (PSD and PNG)

The Fitflat Icon Set: 10 Free Flat Icons (PSD and PNG)

20 Free Square Icons

20 Free Square Icons

22 Free Flat Icons

22 Free Flat Icons

Flat Jewels Icon Set [Freebie]

Flat Jewels Icon Set [Freebie]

Free flat icons [included .PSD]

Free flat icons [included .PSD]

Free flat design icons set

Free flat design icons set

Flat Icons - Freebie

Flat Icons - Freebie

Free E-Commerce Pixel Perfect Flat Icons set

Free E-Commerce Pixel Perfect Flat Icons set

E-Commerce Icon Set (33 Icons, PNG, PS, AI)

E-Commerce Icon Set (33 Icons, PNG, PS, AI)

30 flat shopping icons

30 flat shopping icons

Credit Cards

Credit Cards

Free Flat and Animated Icons

Free Flat and Animated Icons

150+ Free Animated SVG Icons

150+ Free Animated SVG Icons

50 File Type Vector Icons

50 File Type Vector Icons

118 Adobe Files

118 Adobe Files

Free download: 12 Flat SEO icons

Free download: 12 Flat SEO icons

Business Icons and Web Icons Set

Business Icons and Web Icons Set

Free Flat Icons 2

Free Flat Icons 2

Free Set Colorful Ficons Icons 42+

Free Set Colorful Ficons Icons 42+

Summer holiday flat icons

Summer holiday flat icons

Summer desserts vector set

Summer desserts vector set

Flat food icons

Flat food icons

Food Icons

Food Icons


Add: November 17, 2014.

Ballicons 2 Vol. 2 Free Version

Ballicons 2 Vol. 2 Free Version

Boldons Icon Set (45 Icons, PNG, AI)

Boldons Icon Set (45 Icons, PNG, AI)

Flatilicious: 80 Free Icons

Flatilicious: 80 Free Icons

Simple Flat Icons

Simple Flat Icons

40 Free Flat Icons

40 Free Flat Icons

Free vector icon set

Free vector icon set

Weather Icons and Symbols

Weather Icons and Symbols

Modern Flat Icons

Modern Flat Icons

Freebie Flat Icon Set

Freebie Flat Icon Set

Web Design Icon Set

Web Design Icon Set

50 Retro Flat Icon Set

50 Retro Flat Icon Set

Flat Hipster Icons Design Pack

Flat Hipster Icons Design Pack

Há dias... There are days like this - Free icon set

Há dias... There are days like this - Free icon set

Free PSD set of 40 Flat Long Shadow Icons

Free PSD set of 40 Flat Long Shadow Icons

Free Colorful Icon Set

Free Colorful Icon Set

Medlee – 80 Fancy Icons

Medlee – 80 Fancy Icons

60 office icons

60 office icons

120 FREE VECTOR ICON SET

120 FREE VECTOR ICON SET

Jellycons iOS 8 App Icon Set

Jellycons iOS 8 App Icon Set

Travel and Ecology Icon Set

Travel and Ecology Icon Set