We have a Firefox addon which currently runs in Firefox version 4.0. It displays a button, and when the button is hit, grabs some information from the current webpage and sends it to an executable program. We are currently only using it with Firefox on Windows.
We are looking for someone to:
1) Update the add on to work with Firefox 5.0
2) Connect the Firefox Addon auto-update feature (and tell us how to use it) so updates are pulled down automatically
3 freelancers are bidding on average $145 for this job
I am active Firefox Addon developer. I will be happy to see more details about this plugin and to assist you with adding it on official website if you want to also I can turn updates on your website too.