The MCU 4501 isn't EOS/EOL, at least I can't find any notices for it. The current version of software for the MCU 4501 is 4.5(1.71).
The VCS series isn't going away anytime soon. However, the older VCS Gen1 appliance is EOL Sept 2019, suggest you either upgrade to the current generation appliance or migrate to virtual. The VCS X7 software is EOL Dec 2018, the current version of software for the VCS is X8.5.3.
eos-eol-notice-c51-734886, eos-eol-notice-c51-731300
TMS isn't going away anytime soon. However, the older TMS appliance is EOL Feb 2017, suggest you migrate to virtual. The current version of software for TMS is 15.0.
end_of_life_notice_c51-683062
Jabber Video is EOL March 2018, it has no replacement unless you have Call Manager, then the unified communications Jabber client would be it's replacement.
eos-eol-notice-c51-732787
The SX20 isn't going away anytime soon, it's a replacement for the C20, and is also a part of the current line up of endpoints. However, the TC6.x software is EOL July 2020, the current version of software is TC7.3.3 with a soon to be released Collaboration Endpoint 8 (CE8) software going forward for all the current SX endpoints later this year.
eos-eol-notice-c51-733833
To see if any other EOS/EOL notices are out there, simply navigate to the product pages on Cisco.com and they are located with the product documentation.
