For those that don't have their ICO password it's important to understand that the password you provided was combined with the email you entered into a single passphrase. In order to access your funds you need your Seed words + passphrase (which is email followed by password with no space between).
Before you use a tool to try to brute force the password, ...
You can also do it via the tezos-client.
Step 1) Get your activation key here: https://tezos.com/get-started/
Step 2 Optional, if you don't have a node set up: https://github.com/tezoscommunity/FAQ/blob/master/Compile_Mainnet.md
cd into Tezos
./tezos-client add address my_account <public key hash from donation PDF>
Some answer is available on reddit, perhaps it's a good start
1 Activate your wallet
a. Go to https://activate.tezos.com/
b. Enter your Public Key Hash/Address
c. Enter your activation code
d. Click Activate Wait for 30 seconds for your ...
Your non-activate Tez (not tezzie), are not visible on the chain. You must activate your ICO account first. https://activate.tezos.com/ You will need the original PDF, email, and password from the ICO. You can then use any webwallet that supports activation to activate your ICO funds.