Autorize – To test BACs (Broken Access Control)
Burp Bounty – Profile-based scanner
Active Scan++ – Add more power to Burp’s Active Scanner
AuthMatrix – Authorization/PrivEsc checks
Broken Link Hijacking – For BLH (Broken Link Hijacking)
Collaborator Everywhere – Pingback/SSRF (Server-Side Request Forgery)
Command Injection Attacker
Content-Type Converter – Trying to bypass certain restrictions by changing Content-Type
Decoder Improved – More decoder features
Freddy – Deserialization
Flow – Better HTTP history
Hackvertor – Handy type conversion
HTTP Request Smuggler
Hunt – Potential vuln identifier
InQL – GraphQL Introspection testing
J2EE Scan – Scanning J2EE apps
JSON/JS Beautifier
JSON Web Token Attacker
ParamMiner – Mine hidden parameters
Reflected File Download Checker
Reflected Parameter – Potential reflection
SAML Raider – SAML testing
Upload Scanner – File upload tester
Web Cache Deception Scanner

https://twitter.com/e11i0t_4lders0n/status/1514451652660498433

https://parsiya.net/blog/2019-10-13-quality-of-life-tips-and-tricks-burp-suite/