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/.
eSolidar - Charity shops and online auctions to support great causes
Undesign - Free design tools and resources for your projects
UpEffect - Crowdfunding for social good products
2015 Design Tools - Results from survey of 4,000+ designers on their fave tools.
Dollar A Day - Automatically donate $1 a day to featured nonprofits.