[pktgen]

In the old days with perpetually-licensed software, this was handled with a trial period (30-day demo or similar), or, where feasible, a feature-limited demo version (e.g. a game with one level as a demo). This is not a new problem or a problem without solutions.

[spronkey]

[To play devil's advocate:] which were often cracked and released as warez...

[chrischen]

I'd be highly skeptical of running a warez version of my password manager.