An open API service for software projects hosted on Open Collective.

SFZ Tools

Building open-source tools to enable broad use of virtual instruments under the SFZ format
Collective - Host: opensource - https://opencollective.com/sfztools - Website: https://sfz.tools - Code: https://github.com/sfztools

20.0 USD - Financial contribution to SFZ Tools

dom7 - 25 May 2026

-0.88 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 25 May 2026

-2.0 USD - Host Fee

opensource - 25 May 2026

21.0 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 May 2026

-1.54 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 May 2026

-2.1 USD - Host Fee

opensource - 19 May 2026

22.22 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Apr 2026

-1.6 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Apr 2026

-2.22 USD - Host Fee

opensource - 19 Apr 2026

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Apr 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Apr 2026

-0.5 USD - Host Fee

opensource - 01 Apr 2026

22.16 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Mar 2026

-1.6 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Mar 2026

-2.22 USD - Host Fee

opensource - 19 Mar 2026

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Mar 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Mar 2026

-0.5 USD - Host Fee

opensource - 01 Mar 2026

18.41 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Feb 2026

-1.41 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Feb 2026

-1.84 USD - Host Fee

opensource - 19 Feb 2026

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Feb 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Feb 2026

-0.5 USD - Host Fee

opensource - 01 Feb 2026

25.45 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Jan 2026

-1.76 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Jan 2026

-2.55 USD - Host Fee

opensource - 19 Jan 2026

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Jan 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Jan 2026

-0.5 USD - Host Fee

opensource - 01 Jan 2026

21.51 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Dec 2025

-1.56 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Dec 2025

-2.15 USD - Host Fee

opensource - 19 Dec 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Dec 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Dec 2025

-0.5 USD - Host Fee

opensource - 01 Dec 2025

17.96 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Nov 2025

-1.39 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Nov 2025

-1.8 USD - Host Fee

opensource - 19 Nov 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Nov 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Nov 2025

-0.5 USD - Host Fee

opensource - 01 Nov 2025

26.08 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Oct 2025

-1.79 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Oct 2025

-2.61 USD - Host Fee

opensource - 19 Oct 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Oct 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Oct 2025

-0.5 USD - Host Fee

opensource - 01 Oct 2025

43.64 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Sep 2025

-2.67 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Sep 2025

-4.36 USD - Host Fee

opensource - 19 Sep 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Sep 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Sep 2025

-0.5 USD - Host Fee

opensource - 01 Sep 2025

19.74 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Aug 2025

-1.48 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Aug 2025

-1.97 USD - Host Fee

opensource - 19 Aug 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Aug 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Aug 2025

-0.5 USD - Host Fee

opensource - 01 Aug 2025

15.53 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Jul 2025

-1.26 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Jul 2025

-1.55 USD - Host Fee

opensource - 19 Jul 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Jul 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Jul 2025

-0.5 USD - Host Fee

opensource - 01 Jul 2025

13.42 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Jun 2025

-1.16 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Jun 2025

-1.34 USD - Host Fee

opensource - 19 Jun 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Jun 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Jun 2025

-0.5 USD - Host Fee

opensource - 01 Jun 2025

21.94 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 May 2025

-1.58 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 May 2025

-2.19 USD - Host Fee

opensource - 19 May 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 May 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 May 2025

-0.5 USD - Host Fee

opensource - 01 May 2025

36.38 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Apr 2025

-2.31 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Apr 2025

-3.64 USD - Host Fee

opensource - 19 Apr 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Apr 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Apr 2025

-0.5 USD - Host Fee

opensource - 01 Apr 2025

35.33 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Mar 2025

-2.25 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Mar 2025

-3.53 USD - Host Fee

opensource - 19 Mar 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Mar 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Mar 2025

-0.5 USD - Host Fee

opensource - 01 Mar 2025

34.1 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Feb 2025

-2.19 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Feb 2025

-3.41 USD - Host Fee

opensource - 19 Feb 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Feb 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Feb 2025

-0.5 USD - Host Fee

opensource - 01 Feb 2025

28.71 USD - Financial contribution to SFZ Tools

kira-ryouta - 19 Jan 2025

-1.92 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 19 Jan 2025

-2.87 USD - Host Fee

opensource - 19 Jan 2025

5.0 USD - Monthly financial contribution to SFZ Tools (backer)

atsushieno - 01 Jan 2025