Well there is the Stop Killing Games initiative started by Ross Scott and supported by the Pirate Parties. If they succeed, companies selling games in recent years will be required to either keep supporting their game or to make it available in a way so that others can ensure its continued support.
When this is achieved the step to free older games is small.
If you live in Europe you have the chance to support the movement by vote in the upcoming elections.
Kubuntu 8.04.
It was the last release with KDE 3 and very polished for its time. Many applications from back then have vanished by now. Kopete was Magic, supporting all IM protocols (Including Yahoo video calls!), Amarok was so reliable and sleek.
Of course most things have improved since then, but I remember it fondly.