Never use an online seed generator. If you do your funds will be stolen. If you need to generate a seed see our tutorial on doing it safely and securely.
Below is a list of good resources for IOTA hodlers.
Currently the most reliable exchange for buying or selling Bitcoin and Ethereum with USD.
Currently the most reliable exchange for trading Bitcoin or Ethereum for IOTA, and vice versa.
IOTA Desktop Wallet
The software needed to access and spend your IOTA tokens, as well as generating your receiving addresses. This link points to the developers official git-hub page. You should NEVER download the wallet from any other source as doing so risks getting a tainted copy with malicious code.
A useful site for finding healthy nodes to connect your wallet to, for a fast and efficient experience. You can also check out our tutorial on changing which node your wallet is connected to.
A very useful site that will let you monitor the balance in your receiving addresses without needing to access your seed, or take it out of cold storage. If you need help with receiving addresses you can see our guide here.
Official IOTA Subreddit
This is the official IOTA subreddit, which is great for learning about the underlying tech behind IOTA, news, recent developments, and community discussions.