Here are several organizations and coordinated efforts coming to the aid of Texans:

The American Red Cross is encouraging people to donate money on its website or to text 90999 to donate $10. The organization is also asking for volunteers.
Other organizations include the Salvation Army, Samaritan’s Purse and Heart to Heart International.
The crowdfunding website Global Giving is trying to raise $2 million to provide “food, water, and medicine in addition to longer-term recovery assistance” to Harvey’s victims.
The crowdfunding service GoFundMe also has highlighted stories of people who are suffering as a result of Harvey.
The South Texas Blood & Tissue Center and Texas-based Carter BloodCare (1-877-385-724) are accepting donations .
Several organizations are offering aid to displaced pets, including Dallas Animal Services and the SPCA of Texas
And the Texas Diaper Bank is assisting people with small children .