J-1

But there are many other programs mentioned in the draft that are important to the tech community. Programs like the J-1, for summer work travel, and the OPT, for international students to stay in the U.S. after graduating. Both were recently revised under the Obama administration. Also, the E-2 program, which is an investor visa, is subject to change.

Source: wiktionary

The order prohibits foreign workers from using H-1B, H-2B, J-1 and L-1 visas to enter the United States until at least the end of the year. […] H-2B visas are for unskilled seasonal workers, including landscapers, forestry workers and summer resort workers, while J-1s are for exchange visitors who come for short stays, typically for summer work, brief internships or to be au pairs.

Source: wiktionary