Credits¶

I would like to recognize some of the people who have been instrumental in the development of psutil. I’m sure I’m forgetting someone (feel free to email me) but here is a short list.

A big thanks to all of you.

— Giampaolo Rodola

Top contributors¶

Giampaolo Rodola: creator, primary author and long-time maintainer
Jay Loden: original co-author, initial design and project bootstrap, initial macOS / Windows / FreeBSD implementations
Arnon Yaari: AIX implementation
Landry Breuil: initial OpenBSD implementation
Ryo Onodera and Thomas Klausner: initial NetBSD implementation

Donations¶

The following individuals and organizations have supported psutil development through donations.

Companies:

People:

Code contributors by year¶

contributors

2026¶

2025¶

Ben Peddell - #2495, #2568
Ben Raz - #2643
Eli Wenig - #2638
Fabien Bousquet - #2529
Irene Sheen - #2606
Isaac K. Ko - #2612
Jonathan Kohler - #2527
Lysandros Nikolaou - #2565, #2588, #2589, #2590, #2591, #2609, #2615, #2627, #2659 (wheels for free-threaded Python)
Marcel Telka - #2469, #2545, #2546, #2592, #2594
Matthieu Darbois - #2503, #2581 (Windows ARM64 wheels)
Sergey Fedorov - #2694
Will Hawes - #2496
Xianpeng Shen - #2640

2024¶

Aleksey Lobanov - #2457
Cristian Vîjdea - #2442
Matthieu Darbois - #2370, #2375, #2417, #2425, #2429, #2450, #2479, #2486 (macOS and Linux ARM64 wheels)
Mayank Jha - #2379
Oliver Tomé - #2222
Ryan Carsten Schmidt - #2361, #2364, #2365
Sam Gross - #2401, #2402, #2427, #2428 (free-threading Python)
Shade Gladden - #2376

2023¶

Amir Rossert - #2346
Matthieu Darbois - #2211, #2216, #2246, #2247, #2252, #2269, #2270, #2315
Po-Chuan Hsieh - #2186, #1646
Thomas Klausner - #2241
Xuehai Pan - #2266

2022¶

Amir Rossert - #2156, #2345
Bernhard Urban-Forster - #2135
Chris Lalancette - #2037 (net_if_stats() flags arg on POSIX)
Daniel Li - #2150
Daniel Widdis - #2077, #2160
Garrison Carter - #2096
Hiroyuki Tanaka - #2086
Hugo van Kemenade - #2099 (Drop Python 2.6 support)
Lawrence D’Anna - #2010
Matthieu Darbois - #1954, #2021, #2039, #2040, #2102, #2111, #2142, #2145, #2146, #2147, #2153, #2155, #2168
Steve Dower - #2080
Thomas Klausner - #2088, #2128
Torsten Blum - #2114

2021¶

2020¶

Anselm Kruis - #1695
Armin Gruner - #1800 (Process.environ() on BSD)
Chris Burger - #1830
vser1 - #1637
Grzegorz Bokota - #1758, #1762
Jake Omann - #1876
Jakob P. Liljenberg - #1837, #1838
Javad Karabi - #1648
Julien Lebot - #1768 (Windows Nano server support)
Michał Górny - #1726
Mike Hommey - #1665
Po-Chuan Hsieh - #1646
Riccardo Schirone - #1616
Tim Schlueter - #1708
Vincent A. Arcila - #1620, #1727

2019¶

qcha0 - #1491
Alex Manuskin - #1487
Ammar Askar - #1485 (getloadavg() on Windows)
Arnon Yaari - #607, #1349, #1409, #1500, #1505, #1507, #1533
Athos Ribeiro - #1585
Benjamin Drung - #1462
Bernát Gábor - #1565
Cedric Lamoriniere - #1470
Daniel Beer - #1471
David Brochart - #1493, #1496
EccoTheFlintstone - #1368, #1348
Erwan Le Pape - #1570
Ghislain Le Meur - #1379
Kamil Rytarowski - #1526, #1530 (Process.cwd() for NetBSD)
Nathan Houghton - #1619
Samer Masterson - #1480
Xiaoling Bao - #1223
Mozilla Foundation - Sample code for process USS memory

2018¶

Alex Manuskin - #1284, #1345, #1350, #1369 (sensors_temperatures() for macOS, FreeBSD, Linux)
Arnon Yaari - #1214
Dan Vinakovsky - #1216
Denis Krienbühl - #1260
Ilya Yanok - #1332
janderbrain - #1169
Jaime Fullaondo - #1320
Jean-Luc Migot - #1258, #1289
Koen Kooi - #1360
Lawrence Ye - #1321
Maxime Mouial - #1239
Nikhil Marathe - #1278
stswandering - #1243
Sylvain Duchesne - #1294

2017¶

Adrian Page - #1160
Akos Kiss - #1150
Alexander Hasselhuhn - #1022
Antoine Pitrou - #1186
Arnon Yaari - #1130, #1137, #1145, #1156, #1164, #1174, #1177, #1123 (AIX implementation)
Baruch Siach - #872
Danek Duvall - #1002
Gleb Smirnoff - #1070, #1076, #1079
Himanshu Shekhar - #1036
Jakub Bacic - #1127
Matthew Long - #1167
Nicolas Hennion - #974
Oleksii Shevchuk - #1091, #1093, #1220, #1346
Pierre Fersing - #950
Sebastian Saip - #1141
Thiago Borges Abdnur - #959
Yannick Gingras - #1057

2016¶

Andre Caron - #880
Arcadiy Ivanov - #919
ewedlund - #874
Eric Rahm - #745, #746 (USS memory on macOS and Windows)
Farhan Khan - #823
Frank Benkstein - #732, #733, #736, #738, #739, #740
Ilya Georgievsky - #870
Jake Omann - #816, #775, #1874
Jeremy Humble - #863
Landry Breuil - #741
Mark Derbecker - #660
Max Bélanger - #936, #1133
Patrick Welche - #812
Syohei YOSHIDA - #730
Timmy Konick - #751
Yago Jesus - #798

2015¶

Arnon Yaari - #680, #679, #610
Bruno Binet - #572
Denis - #541
Fabian Groffen - #611, #618
Gabi Davar - #578, #581, #587
Jeff Tang - #616, #648, #653, #654
John Burnett - #614
karthik - #568
Landry Breuil - #713, #709 (OpenBSD implementation)
Mike Sarahan - #690
Sebastian-Gabriel Brestin - #704
sk6249 - #670
spacewander - #561, #603, #555
Steven Winfield - #672
Sylvain Mouquet - #565
Árni Már Jónsson - #634
Ryo Onodera: e124acba (NetBSD implementation)

2014¶

2013¶

Arfrever.FTA - #404
danudey - #386
Jason Kirtland - backward compatible implementation of collections.defaultdict
John Baldwin - #370
John Pankov - #435
Josiah Carlson - #451, #452
m.malycha - #351
Matt Good - #438
Thomas Klausner - #557 (NetBSD implementation)
Ulrich Klank - #448

2012¶

Amoser - #266, #267, #340
Florent Xicluna - #319
Gregory Szorc - #323
Jan Beich - #344
Youngsik Kim - #317

2011¶

Jeremy Whitlock - #125, #150, #206, #217, #260 (net_io_counters() and disk_io_counters() on macOS)

2010¶

cjgohlke - #107
Wen Jia Liu (wj32) - #114, #115

2009¶

Yan Raber: c861c08b (Windows cpu_times()), 15159111 (Windows Process.username())
Jay Loden - 79128baa (first commit of FreeBSD implementation)

2008¶

Jay Loden - efe9236a (first commit of macOS implementation)
Dave Daeschler - 71875761 (first commit of Windows implementation)
Giampaolo Rodola - 6296c2ab (first commit of Linux implementation)
Giampaolo Rodola - 8472a17f (inception / initial directory structure)