1. Hashcat. https://hashcat.net/hashcat/
2. John the Ripper. https://www.openwall.com/john/
3. One rule to rule them all. https://notsosecure.com/one-rule-to-rule-them-all
4. Pantagrule. https://github.com/rarecoil/pantagrule
5. Password analysis and cracking kit (PACK). https://github.com/iphelix/pack