The Kollel will arrange for someone to say Kaddish for your loved one, three times a day for the first year after passing.
Have someone say Kaddish for your loved one on the day of the yartzeit (anniversary of the Hebrew date day of passing) for all three prayers.
Meet with a Kollel Rabbi and study special passages of Talmud that correspond with the name of the deceased. Add special prayers in merit of the departed.
Sponsor a day of learning in honor of your loved one. A candle will be lit in the Kollel and the name of the deceased will be read before learning. Study for the day will be in his or her merit.