Envoy - Visitor registration that's changing how guests are greeted in companies around the world.

Ptable - Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search. Full descriptions from write-up sources.

TractionGuest - Safe, secure workplace for all.

Atomic - Periodic Table - Bring a Periodic Table with you anywhere you go

The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.

Kalzium - Kalzium (German for: Calcium) is a periodic table of the elements for KDE SC 4.