Keywords: pseudo-gen

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## 1.2 About similar work

There are other PP generation packages available on-line. Those I am aware of include:

- the code by José-Luís Martins et al.[7]:
  `http://bohr.inesc-mn.pt/~jlm/pseudo.html`
- the `fhi98PP` package[8]:
  `http://www.fhi-berlin.mpg.de/th/fhi98md/fhi98PP`
- the OPIUM code by Andrew Rappe et al.[9]:
  `http://opium.sourceforge.net/`
- David Vanderbilt's US-PP package [2]:
  `http://www.physics.rutgers.edu/~dhv/uspp/index.html`.

Other codes may be available upon request from the authors.

Years ago, it occurred to me that a web-based PP generation tool would have been nice. Being too lazy and too ignorant in web-based applications, I did nothing. I recently discovered that Miguel Marques et al. have implemented something like this: see `http://www.tddft.org/programs/octopus/pseudo.php`.