Here are the copies of slides of talks given at the previous string conferences.

It's here because they tend to disappear. Please check by yourself how many of the original links are alive!

Strings 2016 at Beijing, China. original website
Strings 2015 at Bengaluru, India. original website
Strings 2014 at Princeton, USA. original website
Strings 2013 at Seoul, Korea. original website
Strings 2012 at Munich, Germany. original website
Strings 2011 at Uppsala, Sweden. original website
Strings 2010 at Texas, USA. original website
Strings 2009 at Rome, Italy. original website
Strings 2008 at CERN, Switzerland. original website
Strings 2007 at Madrid, Spain. original website
Strings 2006 at Beijing, China. original website
Strings 2005 at Toronto, Canada. original website
Strings 2004 at Paris, France. original website
Strings 2003 at Kyoto, Japan. original website
Strings 2002 at Cambridge, UK. original website
Strings 2001 at Mumbai, India. original website
Strings 2000 at Ann Arbor, USA. original website
Strings 1999 at Potsdam, Germany. original website
Strings 1998 at Santa Barbara, USA. original website
Strings 1997 at Amsterdam, Holland. original website
Strings 1996 at Santa Barbara, USA. original website
Strings 1995 at Los Angeles, USA. original website

I also prepared the list of talks arranged by speakers.

There is an iPad app to navigate this mirror nicely, see here.