As chosen (last year) by the readers of NME:

1. Oasis – ‘Live Forever’
2. Nirvana – ‘Smells Like Teen Spirit’
3. Pulp – ‘Common People’
4. The Smiths – ‘There Is A Light That Never Goes Out’
5. The Libertines – ‘Don’t Look Back Into The Sun’
6. The Libertines – ‘Time For Heroes’
7. The Smiths – ‘How Soon Is Now?’
8. The Stone Roses – ‘I Am The Resurrection’
9. The Strokes – ‘Last Nite’
10. Arctic Monkeys – ‘I Bet You Look Good On The Dancefloor’

http://www.nme.com/news/nme/28097

My top 3 from their top ten:

1. “Live Forever”
2. “How Soon Is Now?”
3. “I Bet You Look Good on the Dancefloor”
Indie is a broader term in the UK, used the way “alternative” is in the States.