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

Komapper

Kotlin ORM for JDBC and R2DBC
Collective - Host: opensource - https://opencollective.com/komapper - Website: https://www.komapper.org/ - Code: https://github.com/komapper/komapper

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 01 Jun 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Jun 2026

-0.5 USD - Host Fee

opensource - 01 Jun 2026

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 01 May 2026

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 May 2026

-0.5 USD - Host Fee

opensource - 01 May 2026

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

200.0 USD - Financial contribution to Komapper

engineer-farm - 12 Mar 2026

-9.1 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 12 Mar 2026

-20.0 USD - Host Fee

opensource - 12 Mar 2026

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Sep 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Sep 2025

-1.0 USD - Host Fee

opensource - 24 Sep 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Aug 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Aug 2025

-1.0 USD - Host Fee

opensource - 24 Aug 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Jul 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Jul 2025

-1.0 USD - Host Fee

opensource - 24 Jul 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Jun 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Jun 2025

-1.0 USD - Host Fee

opensource - 24 Jun 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 May 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 May 2025

-1.0 USD - Host Fee

opensource - 24 May 2025

-24.57 USD - Domain renewal (com, org)

toshihiro-nakamura - 06 May 2025

-0.49 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 06 May 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Apr 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Apr 2025

-1.0 USD - Host Fee

opensource - 24 Apr 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Mar 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Mar 2025

-1.0 USD - Host Fee

opensource - 24 Mar 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Feb 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Feb 2025

-1.0 USD - Host Fee

opensource - 24 Feb 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 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

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Jan 2025

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Jan 2025

-1.0 USD - Host Fee

opensource - 24 Jan 2025

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 02 Jan 2025

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 02 Jan 2025

-0.5 USD - Host Fee

opensource - 02 Jan 2025

-10.0 USD - Monthly financial contribution to Testcontainers (backer)

testcontainers - 02 Jan 2025

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Dec 2024

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Dec 2024

-1.0 USD - Host Fee

opensource - 24 Dec 2024

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 01 Dec 2024

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Dec 2024

-0.5 USD - Host Fee

opensource - 01 Dec 2024

-10.0 USD - Monthly financial contribution to Testcontainers (backer)

testcontainers - 01 Dec 2024

10.0 USD - Monthly financial contribution to Komapper (backer)

toshihiro-nakamura - 24 Nov 2024

-0.99 USD - PayPal payment processor fee

paypal-payment-processor-vendor - 24 Nov 2024

-1.0 USD - Host Fee

opensource - 24 Nov 2024

5.0 USD - Monthly financial contribution to Komapper (backer)

momosetkn - 01 Nov 2024

-0.52 USD - Stripe payment processor fee

stripe-payment-processor-vendor - 01 Nov 2024

-0.5 USD - Host Fee

opensource - 01 Nov 2024