The Hod organization for Orthodox gay men and the Havruta group for religious gays in Israel have asked for people to recite the following Psalm for those murdered and injured by the gunman in Tel Aviv on Saturday:
A Song of Ascents: Out of the depths have I called Thee, O Lord
Lord, hearken unto my voice; let Thine ears be attentive to the voice of my supplications.
If Thou, Lord, shouldest mark iniquities, O Lord, who could stand?
For with Thee there is forgiveness, that Thou mayest be feared.
I wait for the Lord, my soul doth wait, and in His word do I hope.
My soul waiteth for the Lord, more than watchmen for the morning; yea, more than watchmen for the morning.
O Israel, hope in the Lord; for with the Lord there is mercy, and with Him is plenteous redemption.
And He will redeem Israel from all his iniquities.
Here is a video of a spontaneous protest that took place in Tel Aviv immediately after the murders:
