[Mi 3 General] a.broken.star:
Hope it helps someone :-

Lollipop

1) Metallium	PA

http://xdaforums.com/xiaomi-mi-3/development/rom-metallium-os-spike-lab-cancro-t3197361

2) SlimBit	SlimLP, AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-slimlp-layers-mi-3-4-t3187355

3) XenonHD	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-xenonhd-5-0-2-t3049424

4) OmniROM	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-omnirom-t3096895

5) Xperia Experience	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-cm12-1-xperiaedition-experience-t3265083

6) BrokenOS	AOSP, Slim

http://xdaforums.com/xiaomi-mi-3/development/brokenos-v4-0-marshmallow-alpha-t3249344

7) Carbon	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-carbonrom-lollipop-t3265724

8) OctOS	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-oct-os-l-t3121782

9) TeamEOS	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-teameos-revival-t3150580

10) Cyanide L	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-cyanide-l-rc-12-4-t3113805

11) Dirty Unicorn Unofficial	AOSP

http://xdaforums.com/xiaomi-mi-3/development/unofficial-dirty-unicorn-xiaomi-mi3-4-t3246279

12) Resurrection Remix CM

http://xdaforums.com/xiaomi-mi-3/development/rom-resurrection-remix-lp-v5-3-8-t3056711

13) Fusion	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-fusion-v6-0-t3191143

14) PAC OS	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-pac-rom-t3087341

15) Team UB	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-team-ub-t3107847

16) Blisspop	CM

http://xdaforums.com/xiaomi-mi-3/development/blisspop-build-t3198006

17) Unofficial CM12	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-cyanogenmod-12-t3003216

18) Clover	AOSP

http://xdaforums.com/xiaomi-mi-3/development/clover-aosp-5-1-1-t3220468

19) TipsyOS	Slim

http://xdaforums.com/xiaomi-mi-3/development/rom-tipsyos-v1-3-t3170991

20) Uber	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-uber-aosp-rro-layers-mi3-t3175848

21) Team Razor	Slim

http://xdaforums.com/xiaomi-mi-3/development/official-t3219638

22) XPerience	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-xperience-9-1-1r8-t3167177

23) BrokenOS	AOSP, Slim

http://xdaforums.com/xiaomi-mi-3/development/5-1-1-brokenos-t3180003

24) GzROM Tesla	AOSP, Slim

http://xdaforums.com/xiaomi-mi-3/development/rom-gzroms-tesla-t3147604

25) SOKP	SOKP

http://xdaforums.com/xiaomi-mi-3/development/cancro-t3088920

24) Team Radium	CM

http://xdaforums.com/xiaomi-mi-3/development/teamradium-xiaomi-mi3-mi4-t3212277

25) Tesla OS	CM

http://xdaforums.com/xiaomi-mi-3/development/tesla-os-xiaomi-mi3-mi4-t3211434

26) Paranoid Android	AOSPA

http://xdaforums.com/xiaomi-mi-3/development/cancro-t3120485

27) CM12	CM

http://xdaforums.com/xiaomi-mi-3/development/cancrocm-cyanogenmod-12-cancro-t2988593

28) GZR Validus	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-gzr-validus-rom-v8-0-t3109764

29) Omni ROM	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-omnirom-layers-mi-3-4-t3177473

30) Candy 5	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-candy-5-cancro-t3114729

31)crDroid	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-crdroid-t3150586

32) CM Remix v6	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-cm-remix-t3178655

33) OwnROM	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-ownrom-1-0-t3174728

34) Minimal OS	CM, AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-t3148770

35) Official CM	CM

http://xdaforums.com/xiaomi-mi-3/orig-development/official-cyanogenmod-12-1-mi3-t3165513

Marsh Mallow

1) BeanStalk	CM13

http://xdaforums.com/xiaomi-mi-3/development/rom-kernel-beanstalk-6-02-t3274152

2) CAF	CAF, AOSP

http://xdaforums.com/xiaomi-mi-3/development/caf-rom-cancro-t3274543

3) Candy6	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-kernel-candy6-t3278390

4) Team OctOS	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-team-octos-oct-m-t3279479

5) Unofficial CM with Cherries	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-unofficial-cyanogenmod-13-0-cherries-t3274741

6) AOKP	AOKP

http://xdaforums.com/xiaomi-mi-3/development/unofficial-android-kang-project-xiaomi-t3278317

7) Team UB	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-team-ub-cancro-t3272957

8) XPerience	AOSP

http://xdaforums.com/xiaomi-mi-3/development/rom-xperience-10-0-1r3-cancro-t3267714

9) BrokenOS	AOSP, Slim

http://xdaforums.com/xiaomi-mi-3/development/brokenos-v4-0-marshmallow-alpha-t3249344

10) Resurrection Remix	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-resurrection-remix-mm-t3272462

11) Unofficial CM13	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-cyanogenmod-13-0-t3268785

12) AICP	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-aicp-9-0-lp-5-1-1r4-cancro-nightly-t3146419

13) crDroid	CM

http://xdaforums.com/xiaomi-mi-3/development/rom-crdroid-cancro-t3245516

14) Tipsy OS	Slim

http://xdaforums.com/xiaomi-mi-3/development/rom-tipsy-os-brewery-alpha-cancro-t3269245

15) Official CM	CM

http://xdaforums.com/xiaomi-mi-3/orig-development/official-cyanogenmod-13-0-mi3-t3276709

16) AOSP MM by Ivan	AOSP

http://xdaforums.com/xiaomi-mi-3/general/android-6-0-mi3-ivan-t3219871