The FTSE website provides links to a suite of indices including: Global Equity Indices; Fixed Income & Currency Indices; Real Estate Indices; Alternative Indices; Responsible Investment Indices; Customised Indices. Select a FTSE series within each index to download values, constituent list, factsheet , and a performance analysis graph which allows historical analysis going back 5 years and comparison with other indices and currencies (resultant graph can be saved as an image file or printed). There's also links to FTSE Global Markets Reports, FTSE Performance and Research Reports, and FTSE All-World Review.
Raw ASCII CSV and Adobe PDF (reports)
Freely available data on internet. For some components registration may be required.