Linux

Metric

All contributions

Lines of code added by all authors, by affiliation

 2014 2015 2016 2017 2018 Total
(Unknown) 589,353 433,772 458,525 516,316 418,863 2,416,829
AMD 34,933 525,593 211,603 930,859 158,333 1,861,321
Intel 261,887 370,567 479,256 501,873 159,226 1,772,809
Red Hat 225,081 225,023 162,418 277,443 123,849 1,013,814
IBM 56,811 81,712 98,565 114,777 69,780 421,645
Linaro 79,542 70,650 100,449 103,199 64,083 417,923
Samsung 104,681 70,241 119,298 55,647 21,879 371,746
Mellanox 17,291 52,418 68,990 69,257 62,759 270,715
Google 38,270 43,189 47,503 62,438 65,506 256,906
Novell 71,203 54,113 53,383 39,451 26,788 244,938
(Hobbyist) 221,897 9,068 3,291 8,867 1,747 244,870
Code Aurora Forum 44,076 48,402 29,753 34,420 75,950 232,601
Texas Instruments 71,197 69,239 33,012 32,862 9,793 216,103
Broadcom 28,428 32,320 45,737 76,429 20,877 203,791
Realtek 29,118 13,282 15,990 118,508 11,606 188,504
Renesas Technology 26,150 35,909 43,163 44,198 32,667 182,087
ARM 19,604 30,578 31,782 49,648 40,789 172,401
Cavium 2,502 21,842 45,162 72,100 26,792 168,398
Free Electrons 43,496 37,530 36,535 37,079 8,330 162,970
Huawei 4,160 19,067 33,301 47,832 24,271 128,631
NVidia 26,832 33,363 37,730 24,045 4,048 126,018
Oracle 8,426 13,114 34,557 32,590 34,928 123,615
Mediatek 1,073 26,045 43,396 24,128 18,541 113,183
ST Microelectronics 14,476 18,026 20,085 37,683 16,676 106,946
Facebook 6,221 9,754 17,152 42,248 25,516 100,891
Cisco 38,187 29,572 18,929 8,136 5,763 100,587
Linux Foundation 70,497 2,740 3,999 18,666 4,032 99,934
Freescale 42,206 47,650 4,689 436 14 94,995
QLogic 11,907 24,209 41,946 2,947 41 81,050
NXP 141 917 28,388 29,685 17,113 76,244
Christoph Hellwig 8,753 17,468 19,365 18,474 9,653 73,713
Chelsio 8,229 17,640 17,883 14,566 12,894 71,212
Rockchip 8,806 11,809 20,634 18,697 10,727 70,673
Atmel 5,258 52,014 5,663 3,121 796 66,852
Qualcomm 12,766 23,596 12,908 11,468 885 61,623
BayLibre 700 2,689 24,281 18,187 12,602 58,459
Netronome 12 4,511 5,247 30,096 17,633 57,499
Pengutronix 14,720 9,362 10,628 11,696 6,156 52,562
Imagination Technologies 11,985 22,870 7,160 9,702 73 51,790
Microchip Technology 40 12,939 12,930 10,093 13,970 49,972
darmarIT 0 0 48,538 546 0 49,084
Socionext 0 14,225 9,855 11,712 11,096 46,888
Synopsys 1,101 9,404 11,183 15,787 9,331 46,806
Vision Engraving Systems 23,049 14,100 5,669 706 0 43,524
Nokia 5,838 13,170 17,466 2,447 4,597 43,518
VMWare 7,115 20,235 7,072 3,696 5,082 43,200
Collabora 4,249 15,695 11,325 9,065 2,474 42,808
Solarflare Communications 1,003 6,737 20,258 6,779 4,278 39,055
linutronix 6,220 5,069 9,987 8,170 7,333 36,779
Sony 3,925 12,202 3,994 3,112 11,879 35,112
Marvell 10,281 11,265 4,069 4,876 3,688 34,179
Canonical 7,758 1,865 3,425 14,544 4,653 32,245
Cogent Embedded 3,478 6,713 9,556 5,241 5,313 30,301
HiSilicon.com 8 14,513 5,009 8,199 2,117 29,846
MIPS Technologies 7,254 5,152 7,083 7,179 2,366 29,034
Cirrus Logic 2,980 478 5,510 5,143 14,169 28,280
Cloudmosa 4,957 4,281 7,323 9,313 1,768 27,642
Xilinx 10,952 5,520 4,991 1,182 4,336 26,981
Tieto 15,758 7,688 2,838 462 0 26,746
Atomide 2,444 7,354 3,281 7,661 5,435 26,175
Microsoft 2,511 2,716 6,105 6,551 8,199 26,082
APM 7,260 8,158 7,221 3,042 31 25,712
Primary Data 7,577 9,344 4,766 2,369 906 24,962
(None) 18 610 3,666 20,613 0 24,907
Ericsson 5,403 8,695 2,789 3,049 3,323 23,259
Unisys 4,671 10,110 3,633 4,016 109 22,539
Dialog Semiconductor 2,041 15,716 1,736 1,262 1,737 22,492
Fujitsu 7,319 6,654 3,259 1,729 1,395 20,356
University of Sevilla 5,044 2,446 5,168 1,867 5,740 20,265
Deep Blue Solutions 8,028 8,059 1,546 2,112 380 20,125
Savoir-faire Linux 255 3,029 7,295 8,691 287 19,557
Cumulus Networks 589 7,418 5,144 4,027 2,014 19,192
Altera 11,769 6,394 0 41 0 18,204
Wolfson Microelectronics 3,129 10,844 2,953 1,271 0 18,197
DENX Software Engineering 5,193 2,527 3,638 4,308 2,180 17,846
Avago 2,953 10,483 3,432 0 0 16,868
Plumgrid 10,881 4,339 1,084 0 0 16,304
HP 6,450 5,136 1,639 1,789 1,014 16,028
Omnibond 0 11,900 2,815 687 282 15,684
CSR 3,616 11,899 0 0 0 15,515
Vector India 1,050 13,671 600 0 0 15,321
LINBIT 11,587 2,374 1,041 279 1 15,282
Microsemi 0 0 8,557 5,173 991 14,721
Citrix 6,181 3,756 3,325 435 304 14,001
Wizery Ltd. 8,765 3,998 491 30 0 13,284
Juniper 7,699 3,384 2,058 3 0 13,144
(Academic) 1,093 7,634 1,846 1,530 880 12,983
Wind River 5,552 4,805 1,471 571 148 12,547
Spreadtrum Communications 1 884 609 9,513 1,476 12,483
MEV Limited 4,805 5,113 1,554 987 6 12,465
Gateworks 3,296 688 1,101 3,531 3,337 11,953
Emulex 7,470 4,131 153 0 0 11,754
Andes Technology 0 0 0 0 11,569 11,569
CNEX Labs 535 3,900 2,677 1,732 2,699 11,543
Start-up 0 0 0 7,347 3,909 11,256
Axis Communications 1,245 3,196 1,495 4,769 431 11,136
Sun 1,225 3,386 6,346 41 33 11,031
LightNVM 0 13 1,260 8,534 758 10,565
LG Electronics 4,288 733 2,557 2,188 539 10,305
Ka-Ro electronics GmbH 3,421 0 4,553 1,546 443 9,963
Semihalf Embedded Systems 5,421 373 3,404 186 547 9,931
Annapurna Labs 0 489 8,788 138 0 9,415
VomLehn and Associates 0 0 0 9,149 0 9,149
Motorola 2,523 5,010 1,441 0 0 8,974
MontaVista 2,434 665 311 3,705 1,531 8,646
NetUP 0 5,827 2,459 0 0 8,286
Integrated Device Technology 594 0 7,320 0 0 7,914
emlix GmbH 4,054 734 2,006 853 230 7,877
Nicira Networks 3,529 4,128 0 0 0 7,657
Parallels 2,261 514 1,156 1,367 2,064 7,362
Toradex 68 288 4,656 49 2,268 7,329
LWN.net 2,897 79 3,082 617 402 7,077
Rising Tide Systems 2,651 2,525 976 723 0 6,875
Cypress Semiconductor 0 6,222 162 396 6 6,786
Analog Devices 961 1,515 1,098 749 2,379 6,702
EfficiOS 389 231 0 255 5,797 6,672
Konsulko Group 2,691 811 334 1,106 1,301 6,243
Hitachi 2,539 2,281 1,348 4 0 6,172
Embedded Alley Solutions 784 2,645 2,692 0 0 6,121
Boundary Devices 1,011 1,983 2,467 487 37 5,985
SanDisk 365 1,606 1,288 2,526 53 5,838
National Instruments 7 1,005 1,642 1,133 1,884 5,671
Mentor Graphics 792 1,688 2,209 780 182 5,651
Amarula Solutions 11 9 1,300 2,382 1,558 5,260
XS4ALL Internet bv 1,999 866 812 965 588 5,230
secunet 1,354 103 162 2,477 1,055 5,151
University of Applied Sciences Rapperswil 3 4,787 234 7 0 5,031
EMC 191 4,555 108 0 0 4,854
JiangSu Lemote Corp. 3,436 611 482 231 93 4,853
NTT Group 482 1,366 1,279 185 1,470 4,782
Samsung Electronics 2,220 809 475 636 579 4,719
SGI 256 639 3,233 417 0 4,545
Mirantis 0 666 3,600 0 0 4,266
EZchip 51 2,276 1,910 0 0 4,237
Bluecherry LLC 35 0 4,057 98 0 4,190
CompuLab 1,489 2,310 301 78 6 4,184
NetApp 1,560 413 947 474 790 4,184
Fraunhofer FOKUS 4,159 6 0 0 0 4,165
Open Grid Computing 1,282 90 559 598 1,486 4,015
Nuvoton Technology 0 0 2,499 1,135 329 3,963
Open vSwitch 0 13 1,858 1,723 5 3,599
Akamai Technologies 645 1,434 738 531 127 3,475
Patrick McHardy 1,254 2,134 0 0 0 3,388
Areca 1,935 169 0 1,181 94 3,379
Dell 602 7 377 2,014 362 3,362
Phytec 44 506 806 1,035 790 3,181
Tk Open Systems 355 2,340 29 113 262 3,099
6WIND 750 832 925 367 77 2,951
Theobroma Systems 6 0 0 700 2,192 2,898
US National Security Agency 68 370 46 540 1,865 2,889
Siemens 409 855 108 1,041 459 2,872
Amazon 32 157 39 1,051 1,552 2,831
Obsidian Research 831 349 896 720 0 2,796
Yandex 1,210 538 272 371 227 2,618
LSI Logic 2,579 0 15 0 0 2,594
Timesys 0 34 1,625 910 0 2,569
EADS 825 1,725 0 0 0 2,550
Cray 190 59 1,559 725 12 2,545
NEC 231 1,227 190 755 123 2,526
Rowland Institute, Harvard 986 267 298 532 390 2,473
Micron 374 118 174 16 1,418 2,100
Fusion-IO 7 0 0 1,174 887 2,068
KFKI Research Institute 301 1,103 405 25 198 2,032
Eukrea Electromatique 1,985 14 28 0 0 2,027
Hauppauge 117 1,767 0 0 0 1,884
ACM 1,665 15 170 5 0 1,855
Armadeus Systems 202 990 0 553 35 1,780
Institute for System Programming Russian Academy of Sciences 270 222 225 364 652 1,733
Alps Electric Co. 233 347 600 528 19 1,727
Candela Technologies 1,176 199 153 99 15 1,642
McAfee 1,549 59 29 0 0 1,637
KTH Royal Institute of Technology 0 1,608 0 0 0 1,608
Pure Storage 149 1,038 295 63 56 1,601
Inktank Storage 1,572 0 0 0 0 1,572
Brocade 78 707 134 622 0 1,541
China Mobile 0 247 383 809 55 1,494
Vision Systems GmbH 55 477 719 214 2 1,467
Volkswagen 366 232 288 578 1 1,465
2N Telekomunikace 0 2 102 269 1,091 1,464
Sang Engineering 1,062 6 292 0 0 1,360
Tilera 1,327 0 0 0 0 1,327
Bull SAS 72 172 1,051 0 0 1,295
Tuxera 241 326 6 390 175 1,138
Lawrence Livermore National Laboratory 230 2 812 12 0 1,056
Exosec 378 0 96 552 24 1,050
Arista 4 96 105 598 225 1,028
University of Cambridge 5 0 936 0 0 941
Freebox 28 900 2 0 0 930
OSADL 0 613 98 94 91 896
Parkeon 14 819 42 0 0 875
OpenSource AB 826 0 0 12 0 838
NTT 228 33 136 169 256 822
MIPS 0 0 0 46 699 745
Mobica 0 0 0 720 0 720
CodeSourcery 625 76 0 0 0 701
Adeneo 528 2 24 105 7 666
KDAB 0 6 110 547 0 663
Extreme Engineering Solutions 356 135 44 38 89 662
Sensoray 649 0 0 6 0 655
ZTE Corporation 2 5 107 151 387 652
Renesas 0 0 0 639 0 639
Panasonic 571 57 0 0 0 628
K2L 0 0 270 353 0 623
Codethink 0 0 386 178 33 597
ISEE 589 0 0 0 0 589
Digi International 202 1 1 0 345 549
EPAM Systems 0 0 0 524 0 524
Bosch 10 103 98 286 14 511
Seagate 0 104 251 61 93 509
FastMail.FM 383 33 2 78 0 496
Lantiq Semiconductor 0 495 0 0 0 495
OMICRON Electronics 466 1 14 0 0 481
BMW 29 273 173 0 0 475
SYS TEC electronic GmbH 297 113 28 33 2 473
General Electric 34 3 125 303 3 468
VA Linux Systems Japan 422 5 28 0 0 455
Codecoup 0 2 352 40 41 435
HyperHQ 0 0 2 421 0 423
South Pole AB 147 210 16 46 0 419
Katalix Systems 337 0 0 0 79 416
KernelLabs Inc 0 409 0 1 0 410
Tencent Technology 3 0 0 0 397 400
Verizon 0 0 0 393 0 393
Nokia Siemens Networks 318 11 0 0 11 340
Alibaba 6 0 0 98 201 305
GlobalLogic 9 289 0 0 6 304
Etersoft 302 0 0 0 0 302
Promise Technology 0 0 117 185 0 302
Macq Electronique 14 265 0 0 0 279
Orange 0 0 0 0 271 271
Netflix 0 0 210 21 30 261
Comcast 4 0 0 118 132 254
Avionic Design Development GmbH 231 4 0 9 0 244
Gaisler Research 231 0 3 0 0 234
ITT Industries 26 201 0 0 0 227
Alcatel-Lucent Shanghai Bell 0 0 0 221 1 222
TomTom 0 0 215 0 0 215
Openedev 0 70 144 0 0 214
Kontron Embedded Modules 120 29 18 45 0 212
Teleca 103 61 5 30 11 210
O.S. Systems 0 174 0 14 0 188
ATRON electronic 187 0 0 0 0 187
RuggedCom 92 71 4 0 0 167
Evidence Srl 0 0 0 136 30 166
Toshiba 0 0 0 139 25 164
Panasas 159 0 0 0 0 159
Calxeda 149 0 0 0 0 149
Weaveworks 0 0 110 10 19 139
Tensilica 136 0 0 0 0 136
Miracle Linux 0 127 0 8 0 135
Haltian 0 0 135 0 0 135
NASA 0 127 1 0 0 128
jusst technologies GmbH 0 73 35 12 0 120
MSC Vertriebsges 118 0 0 0 0 118
SYSGO 104 0 0 12 0 116
Digital Design Corporation 6 6 0 103 0 115
BasysKom 19 65 0 21 7 112
Xevo 0 0 0 11 100 111
INRIA 0 0 0 0 106 106
Twitter 79 13 0 0 1 93
Atheros Communications 84 1 7 0 0 92
Skyport Systems 0 33 16 5 29 83
Docker 0 0 1 82 0 83
Arista Networks 19 60 2 0 0 81
Logitech 55 25 0 0 0 80
CoreOS 0 47 17 5 11 80
Telegent System 80 0 0 0 0 80
Apache Software Foundation 0 0 0 0 79 79
SIGMA Chemnitz 0 1 6 0 71 78
Aculab Plc. 72 0 0 0 0 72
Matrix Orbital 68 0 0 0 0 68
ONELAN 4 62 0 0 0 66
kinvolk 0 0 0 64 0 64
Tower Technologies 61 0 0 0 0 61
Cybernetics 19 35 0 0 6 60
Intra2net AG 1 0 49 9 0 59
GNU 6 28 2 21 0 57
HighPoint Technologies 0 53 0 0 0 53
Garmin 0 29 18 0 2 49
igel 33 10 0 0 0 43
SK 0 0 43 0 0 43
Apple 0 5 0 37 0 42
Eurogiciel 7 33 0 0 0 40
Kalray 0 0 17 22 1 40
Societe Francaise de Radiotelephone 20 15 0 1 0 36
National ICT Australia 0 34 0 0 0 34
inMon 0 34 0 0 0 34
Cloudflare 0 0 2 0 30 32
Transmode Systems 0 5 0 0 27 32
Virginia Tech 6 3 16 0 6 31
Invisible Things Lab 0 2 0 8 21 31
Sierra Wireless 0 0 0 30 0 30
TriplePoint 22 2 4 1 0 29
Wabtec Railway Electronics 0 10 0 16 1 27
Substantiel 0 1 26 0 0 27
B1 Systems 0 26 0 0 0 26
University of Michigan 8 0 18 0 0 26
Bitdefender 0 14 0 0 11 25
Shanghai Nokia Bell 0 0 0 22 3 25
Chargestorm 0 0 2 23 0 25
Net Insight 24 0 0 0 0 24
Dave S.r.l. 0 23 0 0 0 23
NetBSD 16 0 4 0 0 20
Hitachi Solutions 0 0 2 18 0 20
RnDity; 0 15 0 3 0 18
Beijing Rising Technology Co. 0 0 0 18 0 18
Micro-Star International 0 1 0 6 10 17
EmCraft Systems 0 0 17 0 0 17
PCS Systemtechnik 13 2 0 0 0 15
Nordic Semiconductor 0 7 7 0 0 14
AimValley 14 0 0 0 0 14
Red Flag Software 0 0 13 0 0 13
Mobile Devices Ingenierie 0 12 0 0 0 12
EMS Thomas Wuensche 0 2 9 0 0 11
Riverbed Technology 0 0 10 0 0 10
Mageia 0 0 0 8 0 8
PHILOSYS Software 8 0 0 0 0 8
Bluegiga 7 0 0 0 0 7
Univention 0 0 0 0 7 7
Myricom 5 0 0 2 0 7
Eleven Musicproduction 0 6 0 0 0 6
Concurrent Computer Corporation 0 6 0 0 0 6
ScaleMP Inc. 6 0 0 0 0 6
Max-Planck-Institut for Astrophysics 0 0 0 0 6 6
Bugfuzz 6 0 0 0 0 6
Intrinsyc 0 0 5 0 0 5
Real-Time Remedies 0 0 2 0 3 5
ESD Electronics 1 2 0 1 0 4
StreamUnlimited 1 0 0 0 3 4
PetaLogix 0 3 0 0 1 4
IVITERA a.s. 4 0 0 0 0 4
PIKA Technologies 1 0 2 0 0 3
Twin Sun 0 0 0 3 0 3
gumstix 0 3 0 0 0 3
MiTAC 0 3 0 0 0 3
Boeing 0 3 0 0 0 3
Telemotive AG 1 0 0 0 2 3
Inovex 0 0 0 3 0 3
MPC-Data 0 3 0 0 0 3
eInfochips 0 0 3 0 0 3
Tigera 0 0 0 2 0 2
Wacom 0 0 0 0 2 2
OLPC 2 0 0 0 0 2
Internet Initiative Japan 0 2 0 0 0 2
Sysmic 0 2 0 0 0 2
Ubiquiti Networks 0 0 2 0 0 2
Microbit 0 2 0 0 0 2
iot.bzh 0 0 0 0 2 2
Innominate Security Technologies 0 2 0 0 0 2
Basler Vision Technologies 0 0 2 0 0 2
University of British Columbia 2 0 0 0 0 2
Endian Technologies 2 0 0 0 0 2
Secretlab 2 0 0 0 0 2
Yahoo 0 2 0 0 0 2
SoftBank Robotics 2 0 0 0 0 2
Oak Ridge National Laboratory 2 0 0 0 0 2
reliablesolutions 0 0 1 0 0 1
Science Fiction Technologies 0 1 0 0 0 1
SDG Systems 1 0 0 0 0 1
BalaBit 0 0 1 0 0 1
STMicroelectronics 0 0 0 0 1 1
Cyan 0 1 0 0 0 1
OpenWide 0 0 1 0 0 1
Ixia 1 0 0 0 0 1
Acision 0 0 0 0 0 0
EQWARE Engineering 0 0 0 0 0 0
Total from all contributors2,632,919 3,098,155 2,904,515 3,863,253 1,834,832 14,333,674

Top unknown authors

Domains with (Unknown) affiliation

Domain Lines of code added
gmail.com 865,593
kernel.org 137,172
perches.com 33,601
bootlin.com 29,097
sakamocchi.jp 27,962
openwrt.org 25,961
gmx.net 23,863
infradead.org 22,730
metafoo.de 22,582
lunn.ch 20,923
sntech.de 18,960
mm-sol.com 18,546
verge.net.au 17,486
gmx.de 16,710
free.fr 16,323
strlen.de 16,148
armlinux.org.uk 15,876
canb.auug.org.au 15,833
lakedaemon.net 15,500
mojatatu.com 15,380

Emails with (Unknown) affiliation

Email Lines of code added
devin.heitmueller@gmail.com 40,674
joe@perches.com 33,601
o-takashi@sakamocchi.jp 27,962
krzk@kernel.org 25,865
lars@metafoo.de 22,582
d.scheller@gmx.net 21,969
andrew@lunn.ch 20,923
blogic@openwrt.org 19,310
heiko@sntech.de 18,960
horms+renesas@verge.net.au 17,486
robh@kernel.org 16,394
slongerbeam@gmail.com 16,245
fw@strlen.de 16,148
luto@kernel.org 16,106
rmk+kernel@armlinux.org.uk 15,870
sfr@canb.auug.org.au 15,833
johan@kernel.org 15,627
jason@lakedaemon.net 15,500
alex.aring@gmail.com 15,229
namhyung@kernel.org 15,137

Current repositories

Git repo Repo Status Analysis Status
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
Up-to-dateLast successful pull at
01:03 on Aug 16, 2018
CompleteLast attempted at
01:03 on Aug 16, 2018
git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
Up-to-dateLast successful pull at
01:03 on Aug 16, 2018
CompleteLast attempted at
01:03 on Aug 16, 2018

Domains and emails excluded from Linux

No domains excluded

No emails excluded