#1
Sweden
Libera.Chat

Providing a community platform for free and open-source software and peer directed projects.

Users
34,322
Channels
7,062
#2
Undernet

The Undernet is one of the largest realtime chat networks in the world, with approximately 40 servers connecting people world wide.

Users
19,463
Channels
2,562
#3
United States of America
OFTC

The Open and Free Technology Community aims to provide stable and effective collaboration services to members of the community in any part of the world, while closely listening to their needs and desires.

Users
18,281
Channels
1,761
#4
HybridIRC
Users
17,932
Channels
569
IRCnet
#5
Users
15,991
Channels
2,775
#6
Rizon
Users
9,795
Channels
2,337
#7
EFnet
Users
9,010
Channels
2,205
#8
Bulgaria
FreeUniBG

The United Bulgarian IRC network FreeUniBG is an informal organization, created and maintained thanks to the voluntary initiative of all participants, in the name of the free exchange of information.

Users
8,409
Channels
123
#9
DALnet

Started in 1994 as an alternative to the overburdened networks of the time, DALnet has grown into a vibrant community and is widely regarded as the most "friendly" of the major IRC networks.

Users
6,578
Channels
2,178
#10
QuakeNet

QuakeNet is a large IRC (Internet Relay Chat) network. People from all over the world connect to QuakeNet to communicate, organise and hang out.

Users
5,872
Channels
2,660
#11
freenode
Users
5,205
Channels
2,659
#12
Canada
PinoyIRC

The Filipino IRC Server - connect to http://webchat.pinoyirc.com

Users
3,608
Channels
16
KampungChat
#13
Users
3,099
Channels
335
darkscience
#14
Users
1,733
Channels
83
#15
United States of America
IRC-nERDs

Your nerdly home. Nerd about anything, computers, tech, cinema, etc.

Users
1,277
Channels
119
Buzznet
#16
Users
1,252
Channels
16
UnifiedChat
#17
Users
659
Channels
16
Global-Irc
#18
Users
534
Channels
16
#19
Geekshed

GeekShed is a free to use and family-friendly Internet Relay Chat network, capable of hosting chat rooms for a variety of purposes.

Users
514
Channels
86
#20
United States of America
EvilNET
Users
451
Channels
31
ChatLounge
#21
Users
443
Channels
14
FreshChat
#22
Users
436
Channels
28
#23
IRC4Fun

IRC4Fun is an Internet Relay Chat network, founded in October of 2007. Our goal is to provide a quality, free, & fun chat service giving people all over the world a means for conversing with each other on friendly, secure and drama-free servers.

Users
368
Channels
79
#24
AfterNET
Users
321
Channels
24
SwiftIRC
#25
Users
315
Channels
136
#26
Canada
Newnet
Users
218
Channels
74
#27
Ireland
TechNet

TechNet is a IRC Network of multiple topics and cultures.

Users
189
Channels
105
RetroNode
#28
Users
150
Channels
115
ChatSansar
#29
Users
99
Channels
6
#30
United States of America
Zoite

Zoite is the biggest, medium-sized, small IRC network mentioned in this sentence. We've been around for a little over 18 years now, welcoming users new and old alike. Drop in and say hello!

Users
76
Channels
46
#31
France
Zeolia

Small french speaking network

Users
75
Channels
41
#32
United States of America
VibeTalk

IRC for everyone.

Users
72
Channels
17
#33
tawx
Users
59
Channels
9
TaphouseCabal
#34
Users
40
Channels
9
#35
United States of America
ChatNPlay

Providing an open next generation platform for any community.

Users
38
Channels
31
#36
Austria
LibertaCasa
Users
33
Channels
47
AmicaChat
#37
Users
32
Channels
5
#38
Romania
d3x

Ducks ... duels... blackjack... sugar, spice and everything nice!

Users
23
Channels
1
IRCMX
#39
Users
18
Channels
4
DeltaWorlds
#40
United Kingdom

DeltaWorlds! Connecting the world.

Users
9
Channels
2