Rate/Budget
The price needs to be quoted by the developer. I will send half of the item before the start of the project. The other half will be sent after the completion.
Terms
The plugin is open source, and it can be used by other people in need.
You never know unless you actually ask. While I know this is someone who has been Sponge advocate since the start but if my plugins were not already ported, or if they ask me to port my plugins to another platform then I would happily learn the API and port them (for free).
The only reason why im not fond of porting the plugin you wish is I have no motivation for it, so I don’t believe I will do a good port