License: <span>GPL-2.0</span>

BuddyPress GPL-2.0 Forums Yeti-Switch GPL-2.0 SIP openSIPS GPL-2.0 SIP ★ 1,545 Kamailio GPL-2.0 SIP Freepbx GPL-2.0 SIP Asterisk GPL-2.0 SIP Web vcertified-22.8-cert5 ★ 3,669 UnrealIRCd IRC server for chat networks; target audience not identified. GPL-2.0 IRC ★ 529 Quassel IRC GPL-2.0 IRC macOS Web v0.14.0 ★ 792 ngircd GPL-2.0 IRC InspIRCd GPL-2.0 IRC Linux Web v4.12.1 ★ 1,361