
Axure
Balsamiq
Invision
Zeplin
Moqups
Proto.io
ProtoPie
Flinto
Hackrate
HackerOne
YesWeHack
Bugcrowd
Intigriti
Open Bug Bounty
OpenAlternative
Data Protocol
AxureBalsamiq - Balsamiq. Rapid, effective and fun wireframing software.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Invision - Prototyping and collaboration for design teams
YesWeHack - Global Bug Bounty & Vulnerability Management Platform
Zeplin - Collaboration app for UI designers & frontend developers
Bugcrowd - Harness the largest pool of curated and ranked security researchers to run the most efficient bug bounty and penetration tests