Twin directories of techreports:

[DIR]  ftp://ftp.cwp.mines.edu/pub/techreports/
[DIR]  ftp://ftp.wins.uva.nl/pub/computer-systems/aut-sys/reports/techreports/
[DIR]  ftp://ftp.cs.wisc.edu/pub/techreports/
[DIR]  ftp://ftp.cs.rit.edu/pub/techreports/
[DIR]  ftp://ftp.ifi.unizh.ch/pub/institute/ailab/techreports/
[DIR]  ftp://ftp.ifi.unizh.ch/pub/techreports/
[DIR]  ftp://ftp.di.unipi.it/pub/techreports/
[DIR]  ftp://ftp.cs.iastate.edu/pub/techreports/
[DIR]  ftp://ftp.ira.uka.de/pub/uni-karlsruhe/papers/techreports/
[DIR]  ftp://ftp.cs.ubc.ca/local/techreports/
[DIR]  ftp://ftp.fas.sfu.ca/pub/css/techreports/
[DIR]  ftp://ftp.cs.unc.edu/pub/publications/techreports/
[DIR]  ftp://ftp.idiap.ch/pub/techreports/
[DIR]  ftp://ftp.cs.mun.ca/pub/techreports/
[DIR]  ftp://ftp.comlab.ox.ac.uk/pub/Documents/techreports/
[DIR]  ftp://ftp.imag.fr/pub/labo-LSR/ADELE/archive1997/techreports/
[DIR]  ftp://ftp.win.tue.nl/pub/techreports/
[DIR]  ftp://ftp.informatik.uni-mannheim.de/techreports/
[DIR]  ftp://ftp.uni-paderborn.de/pub/doc/techreports/
[DIR]  ftp://ftp.inf.puc-rio.br/pub/docs/techreports/
[DIR]  ftp://ftp.inf.puc-rio.br/pub/telemidia/docs/techreports/
[DIR]  ftp://ftp.cs.pitt.edu/http/site.new/research/publications/techreports/
[DIR]  ftp://ftp.cs.pitt.edu/http/site.old/research/publications/techreports/
[DIR]  ftp://arp.anu.edu.au/pub/techreports/
[DIR]  ftp://ftp.cs.cuhk.hk/pub/techreports/
[DIR]  ftp://ftp.informatik.uni-stuttgart.de/pub/techreports/
[DIR]  ftp://ftp.informatik.uni-stuttgart.de/pub/doc/techreports/
[DIR]  ftp://ftp.ibr.cs.tu-bs.de/docs/DistributedSystems/Debugging/ftp.irisa.fr/techreports/
[DIR]  ftp://ftp.ibr.cs.tu-bs.de/docs/DistributedSystems/Mach/techreports/
[DIR]  ftp://ftp.cs.brown.edu/pub/techreports/
[DIR]  ftp://ftp.cs.utexas.edu/pub/techreports/
[DIR]  ftp://ftp.cs.indiana.edu/pub/techreports/
[DIR]  ftp://ftp.cs.wpi.edu/pub/techreports/
[DIR]  ftp://ftp.cs.cuhk.hk/mirror/ubuntu/pool/universe/s/sofa-framework/techreports/
[DIR]  ftp://ftp.cs.cuhk.hk/linux/debian/pool/main/g/geotranz/techreports/
[DIR]  ftp://ftp.cis.upenn.edu/.snapshot/2009-May-19-08:00:01-hourly/pub/extra/UNIPEN-pub/documents/techreports/
[DIR]  ftp://ftp.cis.upenn.edu/.snapshot/2009-May-15-00:00:01-nightly/pub/techreports/
[DIR]  ftp://ftp.cis.upenn.edu/.snapshot/2009-May-15-00:00:01-nightly/pub/extra/UNIPEN-pub/documents/techreports/
[DIR]  ftp://ftp.cis.upenn.edu/.snapshot/2009-May-19-08:00:01-hourly/pub/techreports/
[DIR]  ftp://ftp.eng.auburn.edu/pub/techreports/
[DIR]  ftp://ftp.icsi.berkeley.edu/incoming/techreports/
[DIR]  ftp://ftp.icsi.berkeley.edu/pub/techreports/
[DIR]  ftp://ftp.cis.upenn.edu/.snapshot/snapshot_for_backup.256/pub/techreports/
[DIR]  ftp://ftp.risc.uni-linz.ac.at/pub/techreports/
[DIR]  ftp://ftp.eq.uc.pt/pub/software/math/ascend/archive/doc/C/techreports/
[DIR]  ftp://ftp.eq.uc.pt/pub/software/math/ascend/archive/doc/pascal/techreports/
[DIR]  ftp://ftp.cs.engr.uky.edu/cs/techreports/
[DIR]  ftp://ftp.cs.colorado.edu/pub/techreports/
[DIR]  ftp://ftp.eecs.umich.edu/techreports/
[DIR]  ftp://ftp.elis.rug.ac.be/parallel/techreports/