Organisations currently providing food, water, and/or medicine to Ghazza:
Taawon Association (in partnership with the Bank of Palestine) are distributing hot meals in Ghazza.
The World Food Programme (WFP) is getting food parcels into Ghazza, though I can't find them sharing a more specific location anywhere. Donate here.
The Palestinian Children's Relief Fund (PCRF) is providing medicine, food, and water. Their website specifically mentions food relief in north, central, and south Ghazza, and water delivered to north and south Ghazza.
Direct aid to people in Ghazza:
Help Christians in Ghazza get visas to leave
Help Hala Abu Ramadan's family of six leave Ghazza (organized by Mohammed Samhouri, vouched for by @psychoticgerard)
Help Shayma and her family of 16 leave Ghazza (organised by Fardowsa. You may remember a link to a paypal going around to help Shayma; however, paypal has frozen those funds)
Help Shaymaa's family of 13 leave Ghazza (organised by Shaymaa herself, who is in Canada)
Help Sanaa and her family of 5 leave Ghazza and establish themselves in Belgium (organised by Eyad M, vouched for by Motaz Azaiza)
Help sisters Duaa and Deena leave Ghazza and get medical treatment in Cairo (organised by Shereen Alhayek, @.littlestpersimmon's friend's acquaintance)
Help Ahmed (@90-ghost) and his family leave Ghazza via ko-fi, paypal, or gofundme (@unionfish is offering stickers and prints in exchange for donations)
Help a family of Ghazzan refugees in Egypt get medical care and relocate
Buy an e-sim for use in Ghazza
Sudan Solidarity emergency fund
HomeTax Sudan helps internally displaced people in Sudan with food, medication, shelter, and travel
Sudan Relief Fund is supplying medications and medical supplies
One Million Sustainable Pads is supplying menstrual products
FAH (Financial Assistance to Sudanese Hospitals) is providing funds and supplies to Sudanese hospitals and displaced Sudanese families in Egypt
The Citizens' Call for Emergency Evacuations Committee evacuates South Sudanese people from Sudan
Direct aid to people in Sudan:
Help Mohamed Farah's family leave Sudan (posted by @Kandakat_alhaqq on twitter)
Help a Sudanese family get visas (@Kandakat_alhaqq's family)
Help an internally displaced Sudanese family get food, shelter, and medicine
Help @.niqabisinparis's displaced family afford basic necessities