While updating my Add-ons for 5.x I compiled a list of addons which I use and which have had recent updates. You can use this list to make updating your addons easier.
http://www.wowace.com/addons/big-wigs/files/
http://wow.curse.com/downloads/wow-addons/details/chatter.aspx
http://www.ctmod.net/downloads/
http://www.wowace.com/addons/grid/files/
http://wow.curse.com/downloads/wow-addons/details/grid-status-raid-debuff.aspx
http://wow.curse.com/downloads/wow-addons/details/mik-scrolling-battle-text.aspx
http://www.wowinterface.com/downloads/info6308-NugComboBar.html
http://wow.curse.com/downloads/wow-addons/details/omni-cc.aspx
http://wow.curse.com/downloads/wow-addons/details/powerauras-classic.aspx
http://wow.curse.com/downloads/wow-addons/details/rating-buster.aspx
http://www.wowace.com/addons/recount/files/
http://www.wowace.com/addons/shadowed-unit-frames/files/
http://www.wowinterface.com/downloads/info15989-AloftAlpha.html
http://www.wowinterface.com/downloads/info10864-AloftBeta.html
http://www.wowace.com/addons/quartz/files/
http://www.curse.com/addons/wow/reforgelite
http://www.curse.com/addons/wow/mapster
http://www.curse.com/addons/wow/pass-loot
http://www.curse.com/addons/wow/omen-threat-meter
http://www.wowace.com/addons/onebag3/files/289-v3-4-5/
http://www.wowace.com/addons/onebank3/files/
http://www.wowace.com/addons/automaton/files/
