EBI services
EBI proteins services
FastA protein similarity search
PDB protein data bank
T-coffee multiple sequence alignment
UNIPROT
NCBI
Swissprot
Flybase
S.pombe genome project
Broad Institute (MIT)

ExPASy
BLAST
Coils server (lupas)
T-coffee
Prosite

Actin PFAM

This collection by Phillipe Laissue:

Interactive training resource to help users progress to the use of advanced instrumentation and techniques
Ellie Kable, Guy Cox et al.
http://www.ammrf.org.au/myscope/

Two online Microscopy courses (one long, one short) with loads of teaching videos Nico Stuurman et al.
http://www.ibiology.org/ibioeducation/taking-courses.html

BioimagingUK:
http://www.bioimaginguk.org/index.php/Training_%26_Documents

NPL (Dan Metcalf):
http://www.npl.co.uk/biotechnology/research/super-resolution-imaging/

And from the Confocal Microscopy List (Ulrike Boehm�s compilation with some additions):
http://lists.umn.edu/cgi-bin/wa?A2=ind1310&L=CONFOCALMICROSCOPY&P=18916

Microscopy Education by Nikon: http://www.microscopyu.com

Leica Science Lab : http://www.leica-microsystems.com/science-lab

Microscopy Education by Olympus: http://www.olympusmicro.com

Microscopy Education by ZEISS: http://zeiss-campus.magnet.fsu.edu/index.html

Molecular Expressions: http://micro.magnet.fsu.edu/index.html/

microscopy.info: http://www.microscopy.info/Microscopy/Guide

Nature Milestones Light Microscopy: http://www.nature.com/milestones/milelight/index.html

Nature Methods blog: http://blogs.nature.com/methagora/2013/07/data-visualization-points-of-view.html

RP Photonics Encyclopedia: http://www.rp-photonics.com/encyclopedia.html

Edmund Optics videos, calculators etc.: http://www.edmundoptics.com/technical-resources-center/

Optical Nanoscopy @ facebook: https://www.facebook.com/OpticalNanoscopy

Microscopy & Analysis Essential Knowledge Briefings: http://www.essentialknowledgebriefings.com/portfolio/super-resolution-microscopy/

Bitplane (Imaris)