GPL source drops

Vendor	model	Kernel version	HTTP download	Torrent
Allnet	ALL-SG8208M	2.6.x	ALL-SG8208M_Sourcecode_2.2.1.tar.zip	magnet link
Allnet	ALL-SG8316M		ALL-SG8316M_Sourcecode_2.2.1.zip
Cisco	Sx220 series	2.6.x	Publication_tarball_20160715.7z	magnet link
D-Link	DGS-1210-16	2.6.x	DGS-1210-16-GPLSourceCode.tar.gz	magnet link
HPE	HPE 1910 series, HPE 1920 series	n/a	hpe-1910-uboot.tar.gz
Netgear	GS728TPV2		GS728_752_TP_TPP_GPL_SRC.zip	magnet link
Netgear	MS108EUP/MS308EUP		MS308EUP-MS108EUP-UP-V1.0.0.6-GPL.tar.bz2
Netgear	MS510TXM/TXUP	4.4.153	MS510TXM_TXUP_V1.0.x.x_GPL_SRC.zip
TP-Link	T2500G-10TS	2.6.x	t2500g-10ts_gpl.tar.gz	magnet link
TP-Link	TL-SG2008P	2.6.x	rtk-maple_gpl.tar.gz
TP-Link	TL-SG2210MP	2.6.x	rtk-maple_gpl.tar.gz
Ubiquiti	USW series		gpl-4.3.21-USW-PoE.tar.bz2	magnet link
Ubiquiti	USW-Lite-16-PoE		gpl-6.2.14-USW-Lite-16-PoE-175731.tar.bz2
Zyxel	GS1900 series	2.6.x	GS1900-10HP(V2.60(AAZI.2)C0).zip	magnet link
Zyxel	GS1900-24EP		GS1900-24EP(V2.70(ABTO.1)C0)-20220602T065627Z-001.zip
Zyxel	XGS1010	3.18.x	XGS1010-12-20220806T091128Z-001.zip
Zyxel	XGS1210	3.18.x	XGS1210_OSC_20201116.7z	magnet link
Zyxel	XGS1210-12 v2	3.18.x	XGS1210-v2_OSC_20230913.tar.xz
Zyxel	XGS1250	3.18.x	XGS1250_OSC_20220329.7z
Zyxel	XS1930		XS1930(V2.00 ABQE.3) U-Boot source code package.zip	magnet link
Zyxel	XGS1930-28	-	XGS1930_28_uboot-20210819T102710Z-001.zip	magnet link
Zyxel	XGS1930-52HP	-	xgs1930-52hp-gpl.zip

Somewhat chronological attempt of the hosted for the ZyXEL XGS-12xx series is on gitlab.