Citrix web receiver (armhf version) can be installed on raspberry pi( A$48 credit card sized computer) to use as thin client for accessing virtual machines.
Citrix made armhf version of their Citrix web receiver plugin available in below page:
armhf .deb package in above page can be installed on new raspbian jessie with below command.
sudo dpkg -i icaclientWeb_220.127.116.114519_armhf.deb
If you get certificate error run below command to fix it
sudo ln -sf /etc/ssl/certs/* /opt/Citrix/ICAClient/keystore/cacerts
If you want to install a proper browser, you can refer below post for instructions on how to install chromium(open source version of popular chrome browser) on rasbian jessie.
Update: Chromium was added into Raspbian from PIXEL release.