Export reg key: (from OLD account). Putty Private Key format is different, so puttygen is required for conversion. It works like a charm. It supports various network protocols to create a secure connection for the transmission of confidential information.
SecureCRT would be great for someone looking for a no frills SSH client or terminal emulator with more features than your typical PuTTY fork. If you’re a Linux or Mac user this is a solid option for consideration since many of the other client and connection managers mentioned on here don’t support those platforms. Be prepared to spend around $99 USD, at the time of writing, to buy this after 30-days since they don’t offer a free version.