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

CSSTree

Fast detailed CSS parser, validator and related projects
Collective - Host: opensource - https://opencollective.com/csstree - Code: https://github.com/csstree

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Jun 2026

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 May 2026

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 May 2026

-0.5 USD - Host Fee

opensource - 11 May 2026

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 May 2026

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Apr 2026

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Apr 2026

-0.5 USD - Host Fee

opensource - 11 Apr 2026

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Apr 2026

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Mar 2026

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Mar 2026

-0.5 USD - Host Fee

opensource - 11 Mar 2026

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Mar 2026

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Feb 2026

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Feb 2026

-0.5 USD - Host Fee

opensource - 11 Feb 2026

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Feb 2026

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Jan 2026

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Jan 2026

-0.5 USD - Host Fee

opensource - 11 Jan 2026

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Jan 2026

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Dec 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Dec 2025

-0.5 USD - Host Fee

opensource - 11 Dec 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Dec 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Nov 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Nov 2025

-0.5 USD - Host Fee

opensource - 11 Nov 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Nov 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Nov 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Oct 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Oct 2025

-0.5 USD - Host Fee

opensource - 11 Oct 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Oct 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Oct 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Sep 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Sep 2025

-0.5 USD - Host Fee

opensource - 11 Sep 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Sep 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 01 Sep 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Aug 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Aug 2025

-0.5 USD - Host Fee

opensource - 11 Aug 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Aug 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Aug 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Jul 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Jul 2025

-0.5 USD - Host Fee

opensource - 11 Jul 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Jul 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Jul 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Jun 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Jun 2025

-0.5 USD - Host Fee

opensource - 11 Jun 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Jun 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Jun 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 May 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 May 2025

-0.5 USD - Host Fee

opensource - 11 May 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 May 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 May 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Apr 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Apr 2025

-0.5 USD - Host Fee

opensource - 11 Apr 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 02 Apr 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Apr 2025

50.0 USD - Financial contribution to CSSTree

csstools - 18 Mar 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Mar 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Mar 2025

-0.5 USD - Host Fee

opensource - 11 Mar 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Mar 2025

100.0 USD - Monthly financial contribution to CSSTree (sponsor)

eslint - 20 Feb 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Feb 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Feb 2025

-0.5 USD - Host Fee

opensource - 11 Feb 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Feb 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Jan 2025

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Jan 2025

-0.5 USD - Host Fee

opensource - 11 Jan 2025

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 03 Jan 2025

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Dec 2024

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Dec 2024

-0.5 USD - Host Fee

opensource - 11 Dec 2024

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Dec 2024

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Nov 2024

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Nov 2024

-0.5 USD - Host Fee

opensource - 11 Nov 2024

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 02 Nov 2024

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 11 Oct 2024

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 11 Oct 2024

-0.5 USD - Host Fee

opensource - 11 Oct 2024

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 03 Oct 2024

5.0 USD - Monthly financial contribution to CSSTree (backer)

thegreenhouseio - 12 Sep 2024

-0.66 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 12 Sep 2024

-0.5 USD - Host Fee

opensource - 12 Sep 2024

10.0 USD - Monthly financial contribution to CSSTree (backer)

unocss - 03 Sep 2024

100.0 USD - Financial contribution to CSSTree

antfu - 03 Sep 2024

50.0 USD - Financial contribution to CSSTree

romainmenke - 03 Sep 2024

-2.5 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 03 Sep 2024

-5.0 USD - Host Fee

opensource - 03 Sep 2024

50.0 USD - Financial contribution to CSSTree

csstools - 03 Sep 2024