Wavefunction
Multiwfn v.2.4
Multiwfn is designed as an interactive program, prompts shown in each step clearly instructs users what need to do next, Multiwfn also never print obscure messages, hence there is no any barrier even for beginners.
Jmol v.13.0 RC 1
Jmol is an open-source Java viewer for chemical structures in 3D, with features for chemicals, crystals, materials and biomolecules. Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry and biochemistry.
Stationary State Lab v.1.0
Locate the lowest lying stationary-state energies with this tool. In Stationary State Lab the user enters a function to describe an arbitrary potential. The software then numerically finds the lowest lying stationary-state energies and wavefunctions.
Atom in a Box v.1.0.1
Atom in a Box is an application that aids in visualizing the Hydrogenic atomic orbitals, a prime and otherwise unwieldy example of quantum mechanics.