i happen to have dev'd a js soloution for the first part of this.
how ever its not non blocking, so will jam your browser and may fail for 1000.
i have not had time to refactor. you just shoot of say 10 at a time, JS should easily be able to handle 1000 if done this way.
Watch multiple addresses for PPC, LTC & BTC coins from one page and total amounts without logging in or signing up anywhere or having to re-enter addresses into a block explorer or having to get pivate keys.
This version has no time limit to use.
you can find it here
https://sourceforge.net/projects/coinwatch/files/CoinWatch.zip/downloadput you addresses in the coinwatch/addressAndtype.js
press the go button and go!!!!!
Consider Tor Browser for you own addresses.
I have put some random addresses in there already for you to just try and as examples of how to put addresses in
This has no time limit to use.