Sketch - The digital design toolkit

Figma: the collaborative interface design tool.

Download free Adobe XD | UX/UI design and collaboration tool

Zeplin

Framer - Interactive Design Tool

ProtoPie - Interactive prototyping tool for all digital products

Maze - Design that works

Usabilla | Build Future-Proof Customer Experiences

Notion – The all-in-one workspace for your notes, tasks, wikis, and databases.

Hotjar - Heatmaps, Visitor Recordings, Conversion Funnels, Form Analytics, Feedback Polls and Surveys in One Platform

Digital Experience Analytics, Session Replay, Heatmaps | FullStory