5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Jun 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Jun 2026

-0.5 USD - Host Fee

opensource - 01 Jun 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

lauri-jokinen - 01 Jun 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Jun 2026

-0.5 USD - Host Fee

opensource - 01 Jun 2026

163.0 USD - GitHub Sponsors Contributions

github-sponsors - 31 May 2026

-16.3 USD - Host Fee

opensource - 31 May 2026

-2,170.8 USD - Purchase Mac Studio + Apple cover (as pre-approved)

dmitrii-pasechnik - 28 May 2026

5.0 USD - Financial contribution to SageMath

guest-50953431 - 10 May 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 10 May 2026

-0.5 USD - Host Fee

opensource - 10 May 2026

100.0 USD - Financial contribution to SageMath

guest-fac7c54a - 04 May 2026

-3.98 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 04 May 2026

-10.0 USD - Host Fee

opensource - 04 May 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 May 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 May 2026

-0.5 USD - Host Fee

opensource - 01 May 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

lauri-jokinen - 01 May 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 May 2026

-0.5 USD - Host Fee

opensource - 01 May 2026

175.0 USD - GitHub Sponsors Contributions

github-sponsors - 28 Apr 2026

-17.5 USD - Host Fee

opensource - 28 Apr 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

lauri-jokinen - 02 Apr 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 02 Apr 2026

-0.5 USD - Host Fee

opensource - 02 Apr 2026

188.0 USD - GitHub Sponsors Contributions

github-sponsors - 01 Apr 2026

-18.8 USD - Host Fee

opensource - 01 Apr 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Apr 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Apr 2026

-0.5 USD - Host Fee

opensource - 01 Apr 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Mar 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Mar 2026

-0.5 USD - Host Fee

opensource - 01 Mar 2026

168.0 USD - GitHub Sponsors Contributions

github-sponsors - 24 Feb 2026

-16.8 USD - Host Fee

opensource - 24 Feb 2026

0.14 USD - GitHub Sponsors Contributions

github-sponsors - 04 Feb 2026

-0.01 USD - Host Fee

opensource - 04 Feb 2026

8.42 USD - GitHub Sponsors Contributions

github-sponsors - 03 Feb 2026

-0.84 USD - Host Fee

opensource - 03 Feb 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Feb 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Feb 2026

-0.5 USD - Host Fee

opensource - 01 Feb 2026

163.0 USD - GitHub Sponsors Contributions

github-sponsors - 29 Jan 2026

-16.3 USD - Host Fee

opensource - 29 Jan 2026

264.0 USD - GitHub Sponsors Contributions

github-sponsors - 01 Jan 2026

-26.4 USD - Host Fee

opensource - 01 Jan 2026

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Jan 2026

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Jan 2026

-0.5 USD - Host Fee

opensource - 01 Jan 2026

176.0 USD - GitHub Sponsors Contributions

github-sponsors - 02 Dec 2025

-17.6 USD - Host Fee

opensource - 02 Dec 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Dec 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Dec 2025

-0.5 USD - Host Fee

opensource - 01 Dec 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Nov 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Nov 2025

-0.5 USD - Host Fee

opensource - 01 Nov 2025

170.83 USD - GitHub Sponsors Contributions

github-sponsors - 27 Oct 2025

-17.08 USD - Host Fee

opensource - 27 Oct 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Oct 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Oct 2025

-0.5 USD - Host Fee

opensource - 01 Oct 2025

295.86 USD - GitHub Sponsors Contributions

github-sponsors - 25 Sep 2025

-29.59 USD - Host Fee

opensource - 25 Sep 2025

6.0 USD - Financial contribution to SageMath

guest-5db4e4e3 - 01 Sep 2025

-0.47 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Sep 2025

-0.6 USD - Host Fee

opensource - 01 Sep 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Sep 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Sep 2025

-0.5 USD - Host Fee

opensource - 01 Sep 2025

172.0 USD - GitHub Sponsors Contributions

github-sponsors - 26 Aug 2025

-17.2 USD - Host Fee

opensource - 26 Aug 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Aug 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Aug 2025

-0.5 USD - Host Fee

opensource - 01 Aug 2025

155.58 USD - GitHub Sponsors Contributions

github-sponsors - 28 Jul 2025

-15.56 USD - Host Fee

opensource - 28 Jul 2025

178.0 USD - GitHub Sponsors Contributions

github-sponsors - 03 Jul 2025

-17.8 USD - Host Fee

opensource - 03 Jul 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Jul 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Jul 2025

-0.5 USD - Host Fee

opensource - 01 Jul 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Jun 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Jun 2025

-0.5 USD - Host Fee

opensource - 01 Jun 2025

168.0 USD - GitHub Sponsors Contributions

github-sponsors - 23 May 2025

-16.8 USD - Host Fee

opensource - 23 May 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 May 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 May 2025

-0.5 USD - Host Fee

opensource - 01 May 2025

5.0 USD - Financial contribution to SageMath

guest-0d6f7683 - 30 Apr 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 30 Apr 2025

-0.5 USD - Host Fee

opensource - 30 Apr 2025

181.0 USD - GitHub Sponsors Contributions

github-sponsors - 28 Apr 2025

-18.1 USD - Host Fee

opensource - 28 Apr 2025

5.0 USD - Monthly financial contribution to SageMath (backer)

bitwo - 01 Apr 2025

-0.74 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 01 Apr 2025

-0.5 USD - Host Fee

opensource - 01 Apr 2025

191.0 USD - GitHub Sponsors Contributions

github-sponsors - 27 Mar 2025