Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
How can you run a full range of current applications on older computers, netbooks, thin clients, and mobile devices? One way is to install a lightweight Linux like Puppy, Lubuntu, or Vector Light. Select the distro with the apps that meets your needs while matching your computer's resources.
Puppy is worthy of your attention because it's pushed its way into Distrowatch's top ten most popular operating systems by merit alone. It doesn't have a corporate sponsor or advertising budget. This article describes Puppy. Screenshots follow the article.
What's Unique About Puppy
Puppy runs on many limited-resource computers. This includes Pentium IV's, III's, M's, D's, Atom and Celeron netbooks, and even Pentium II's. I've used it in refurbishing computers donated to charity yet I also run it on my state-of-the-art computers. What makes it appealing is how it combines three characteristics that normally force a trade-off.