Handheld basics
- What is a handheld?
- What is a tablet?
- Android phone and tablet help and support.
- Apple iPad and iPhone help and support.
- What is a PDA?
- Palm Pilot help and support.
Tablet computer companies
Touch panel computer companies
- DFI
- DTK
- ECS
PDA companies
- 3COM
- Casio
- Compaq
- Handspring
- Hewlett Packard
- LG Electronics
- NEC
- Philips
- VTECH
Third-party tablet companies
- ZiiLABS
Legacy PDA and Tablet companies
The following list of companies have made tablets in the past but no longer list wearables in their product listing or out of business.
- PSION
- TrekStor
Hardware Links - Computer Links
