^ The mandatory one are three zakaat (on savings), and 1/16th and 1/120th which is for all earning members, men and woman on their net income. One can do what is considered
wasiyyat by pledging from 1/10 -to- 1/3rd of his/her net income.
There are other chadajaat that are not mandatory, for example, Tahrik-e-Jadid (international missionary work) , Nusrat Jahan Scheme (schools/hospitals in remote parts of africa), Waqf-e-Jadid (villages of Pakistan/India/Indonesia tarbiyaat work), Maryam Shadi Fund (getting poor people married), Sayyidna Bilal Fund, Tahir Foundation .. its a pretty long list. At the end of th eday, most Ahmadis do give about 10% of their income in the name of Allah.