Please help single mom looking for shelter

I am a single mom with three children looking for a place to stay. we have been homeless since May and staying with friends or paying for a hotel when we can, I want to work but its impossible when you dont have a place for your children to be safe while your at work. My son16, is a straight A student and has kept his G P A through all this. My girls 9 and 14 are stressing every day about what we are going to do.... Please if there is anyone out there that can help that has a house or apartment with a little move in fee or a church that can help with shelter or any kind of assistance i need it, mostly for my children.... this is a desperate cry for help...