Help by making a donation

This tool is donation-supported. That means that we do not track users with commercial purposes, sell advertisements or offer any paid services. However, we rely on your donations to fund software development, the purchase of books and software, and cover infrastructure costs.

You can make a donation of any amount you want by using Bitcoin. If you're looking to make a different kind of contribution, please think about contributing to other unrelated organizations such as MSF, Save the Children, the NRDC, the ACLU, Planned Parenthood, etc. Thank you!

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Bitcoin welcome! Send BTC to 3BeCiSYna29tezvfgX3YMMvJ36Yov2cbhr