Undesign - Free design tools and resources for your projects
Freebiesbug - Collection of the best free web design resources.
UX Tools - Compare UX design tools side-by-side
Designer Mill - Collection of Best Free Design Resources
avocode - Centralize design collaboration, version control, prototyping, feedback, and developer hand-off with Avocode. Work on any design, anywhere, with anyone. Sign up free 👉 https://avocode.com/.
Design Resources - A curated list of tools in one place to help designers