Thousands of pounds have been raised for Help for Heroes on fund-raising pages set up so that people can support the charity in the wake of Drummer Rigby's death.
The soldier was wearing one of the charity's tops when he was murdered on Wednesday.
The Help for Heroes JustGiving page has been inundated with tributes to him.
At the time of writing, over £90,000 had been raised on a page called "RIP Woolwich Soldier".
The family of Drummer Lee Rigby, killed in the Woolwich attack, paid an emotional tribute as they went to visit the scene of his murder.
The family of murdered soldier Lee Rigby paid tribute to him on Friday as detectives continued an investigation into his killing.
The family of the soldier killed in Woolwich paid tribute to "a loving son, husband, father, brother and uncle" as police made new arrests.