Anyone here got experience with small plants that doesnt need much light that fits with a desktop ?
There aren't many plants that handle very low-light conditions for a long time, even the indoor shade plants generally need more light than an office provides. Even fewer of those stay very small. So regardless of what you get, expect to have to replace it on the fairly regular unless you also invest in a lightsource.
Air plants do pretty well, succulents such as the zebra plant stay pretty small, and on the larger end lavender generally handles being indoors well.
You could place a solar cell (combined with a battery for nighttime) near the window and drive a natural light LED with it that shines on the desktop plant 24/7.
Thanks to potfags, the growing LED stuff seems to get down in prices