- List of companies | 0, 1k, 24
- Company | 174, 2k, 33
- Organization | 0, 2k, 45
- Social technology | 0, 16k, 352
- Technology | 15, 43k, 1k
- Ciro Santilli's Homepage | 262, 217k, 4k
- Ciro Santilli's bicycle wisdom | 1k, 1k, 1
- Kross bicycle (2017) | 4k
- Google | 469, 490, 4
- Quantum field theory in a nutshell by Anthony Zee (2010) | 84
- Try to fix your own bike before taking it to the shop | 296