Open Collective
Open Collective
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Mark Callaghan
Budget

Transactions

All transactions
All
Contribution, Platform tip
Financial contribution to Open Collective

Debit from Mark Callaghan to Open Collective •

-$15.00USD
Completed
Platform tip #539915
Financial contribution to 1k Project (Donate to The $1k P...

Debit from Mark Callaghan to 1k Project for Ukraine •

-$100.00USD
Completed
Contribution #539915
Financial contribution to SageMath

Debit from Mark Callaghan to SageMath •

-$50.00USD
Completed
Contribution #91087
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