This feels a little weird, but here goes...
Good timing. Recently I've been going through my own personal stuff-a-way, cleaning out my junk room second bedroom. I've donated a desk, a chair, and a bunch of toys, picture frames, CDs, and clothes. I'm looking for a place to donate a bunch of comic books as well- any suggestions?
I also regularly donate to the Processing Foundation. In their own words:
Our mission is to promote software literacy within the visual arts, and visual literacy within technology-related fields — and to make these fields accessible to diverse communities. Our goal is to empower people of all interests and backgrounds to learn how to program and make creative work with code, especially those who might not otherwise have access to these tools and resources.
We do this by developing and distributing a group of related software projects, which includes Processing (Java), p5.js (JavaScript), and Processing.py (Python), and facilitating partnerships and collaborations with allied organizations and individuals, to build a more diverse community around software and the arts.
The Processing Foundation is specifically invested in expanding the communities of technology and the arts to include and support those who have not had equal access because of their race, gender, class, sexuality, and/or disability. We sponsor a Fellowship Program that funds exploratory, creative, and technical research; support an Advocacy Program, which focuses on nurturing diverse communities and their specific projects; produce public events that provide platforms for collaboration between our contributors; and take part in panels and talks that spread the word about the need for diversity in these fields.
At our core is the philosophy and politics of FLOSS (Free, Libre, Open Source Software.) We see software as a medium, something that connects two things. We view it as a means for thinking and making. We believe it should be free. We believe that learning to program is not about acquiring a certain skillset, but is instead a creative and exploratory process. We believe software, and the tools to learn it, should be accessible to everyone. We believe software literacy and an understanding of media of all kinds is essential knowledge for today.
And Donors Choose, where you can donate to local (or non-local) classrooms. Teachers create a project (basically a request for materials or new tools for their classroom), and after a project is funded, Donors Choose purchases the items and ships them to the teacher.
Oh, and I donated a bunch of toys to Toys for Tots a couple weeks ago. Full disclosure though, that was for an event at a bar, and I did get some free french fries in return.
Edit: If you're looking for an easy way to donate money, check out Amazon Smile. Just append smile. in front of any Amazon URL next time you're shopping, and Amazon will donate 0.5% of your purchase price to a charity of your choice. It doesn't increase the cost for you at all. It's a small thing to do, but it adds up over time.