We pray for your tawfiq, the books listed below are ones that contain mustahabb daily acts:

1- Miftāḥ al-Falāḥ, by Sheikh Baha’i.

2- Falāḥ al-Sā’il, by Seyed b. Tawus.

3- al-Murāqabāt, by Mirza Jawad Agha Maliki Tabrizi.

4- Mafātīh al-Jinān, by Sheikh Abbas Qummi.

5- Sunan al-Nabī, by Allamah Seyed Muhammad Husayn Tabatabai.

Also, the Nur al-Jinan software of the CRCIS (Computer Research Center of Islamic Studies) has a section on daily mustahabb acts, you can refer there also.