ThreeTags Inc. is a Canadian North-American company dedicated to helping web users keep their online information secure and private. At the moment we offer a free online notebook with client-side encryption, and we are working on expanding the service to better meet the needs of mobile and business users.
![[tags]](http://www.threetags.com/res-11/tag_blue_3.png)
Contact
If you have a question of general interest, please post it on our feedback page.
Alternatively, you can reach us at 
![[tags]](http://www.threetags.com/res-11/tag_blue_3.png)
Credits
In developing or operating www.threetags.com, the following open-source resources have been used:
Icons by Mark James:
famfamfam.com
Icons by pixel-mixer.com:
pixel-mixer.com
SHA-1 javascript implementation by Paul Johnston:
pajhome.org.uk/crypt/md5
PBKDF2 javascript implementation by Parvez Anandam:
anandam.name/pbkdf2/
Another SHA-1 javascript implementation by www.webtoolkit.info:
www.webtoolkit.info/javascript-sha1.html
AES javascript implementation by Herbert Hanewinkel:
www.hanewin.net/encrypt/aes/aes.htm
EXTJS javascript library by extjs.com:
extjs.com
JSON java and javascript processing libraries by json.org:
www.json.org
TinyMCE HTML Editor by Moxiecode Systems:
tinymce.moxiecode.com
PBKDF2 implementation in C by Damien Bergamini:
www.openbsd.org/…
![[tags]](http://www.threetags.com/res-11/tag_blue_3.png)