Activities carried out in all gurdwaras include:
Langar - provisions for free food for all visitors, whether Sikh or not
Kirtan - the singing of devotional hymns from the Shri Guru Granth Sahib ji, the present guru ji of the Sikhs
Readings from the Shri Guru Granth Sahib ji, with exposition on the work
This is a dynamic list and may never be able to satisfy particular standards for completeness.