Well, without a sky subscription all you get are the free to view stuff, but that is a lot. Mostly rubbish, but still a lot.
Read this and see if it helps :
Free-to-view Satellite TV in the UK
This is the free-to-view channel list:
* AAG
* Aapna Channel
* Abu Dhabi TV
* Al Jazeera Eng
* Apna Bazaar
* ARY Oneworld
* ARY QTV
* ARY The Musik
* Audi Channel
* B4
* B4U Music
* Babestar+
* Babestation
* Babeworld.tv
* Baby Channel
* Bangla TV
* BBC FOUR
* BBC HD
* BBC NEWS 24
* BBC PARL'MNT
* BBC THREE
* BBC1
* BBC2
* BEN
* Best Direct
* Best Direct+
* bid tv
* BIG GAME TV!
* Bliss
* Bloomberg
* Bonanza
* Bubble Hits
* Business Chnl'l
* CBBC Channel
* CBeebies
* CCTV-9
* CelebrityShop
* Channel 4
* Channel M
* Channel Punjab
* Channel 'S'
* Channel S ATN
* Channel S NTV
* Channel U
* Chart Show TV
* Chat Box
* CITV
* Classic FM TV
* CNN
* CommunityChnl
* Create & Craft
* Dating Channel
* DAYSTAR
* DD-India
* DD-News
* DM Digital
* DM Gold
* eeZee tv
* Entrepreneur
* EuroNews
* EWTN
* fame TV
* Fashion TV
* Film4
* Film4 +1
* Five
* Five Life
* Five US
* Fizz
* Flaunt
* Fortune Fever
* France 24
* FriendlyTV
* Gala TV
* Gay Date TV
* Gay Network
* Gems TV
* Gems TV 2
* Genesis
* GEO UK
* Get Lucky TV
* GOD Channel
* GOD UK
* Golf Channel
* Golf Pro-Shop
* Gospel Channel
* Hollywood TV
* HomeandTravel
* House of Fun
* i Play TV
* iBuy
* iBuy 2
* Ideal World
* Information TV
* Inspiration
* Islam Channel
* ITV Play
* ITV1 / UTV
* ITV2
* ITV2+1
* ITV3
* ITV3+1
* ITV4
* Jackpot TV
* Jewellery Ch.
* Legal TV
* Life TV
* Life24
* LifeShowcase
* Live XXX TV
* Living in Spain
* LOVEWORLD TV
* Lucky Star
* MATV National
* Max TV
* Men & Motors
* MKTV
* Movies4Men
* Movies4Men 2
* mta-muslim tv
* MusFlashTV
* My Channel
* OBE
* Open Access
* Open Access 2
* Open Access 3
* O'seasproperty
* Passion TV
* PCNE Chinese
* Performance
* Pitch TV
* Pitch TV Plus
* Playboy One
* PokerZone
* POP
* Price Crash
* Price Crash 2
* Pricebusters
* price-drop tv
* propeller
* Psychic TV
* PTV Global
* PTV Prime
* QVC
* Real Estate TV
* Real Estate + 1
* RealmadridTV
* Record TV
* revelation
* ROCKWORLDTV
* Russia Today
* S4/C
* S4/C2
* Sahara One
* Scuzz
* Shop on TV
* Shop Vector
* Shop Vector +
* Simply Ideas
* Sky News
* Sky Three
* Smart Live
* Smart Shop TV
* Solent TV
* speedauctiontv
* Star Bazaar TV
* Stop + Shop
* Sumo TV
* TBN Europe
* Teachers' TV
* Teletext Hols
* Thane Direct
* The Vault
* Thomas Cook
* Thomson TV
* Tiny Pop
* Travel Ch +1
* Travel Channel
* True Movies
* True Movies 2
* TTV2
* Turn On TV
* Turn On TV 2
* TV SHOP
* TV Warehouse
* TVW Select
* TVWarehouse 1
* TWCfight!
* U Save.TV
* UCB TV
* Vector 24/7
* Vegas 24/7
* Venus TV
* Vitality
* Wedding TV
* Wine TV
* Wonderful
* Word Network
* Xleague.tv
* You TV2
* YouPlay TV
* Zee Music
* Zone Horror
* Zone Reality
* Zone Reality +1
* Zone Reality X
* Zone Thriller