Http://realtor.ca and http://zoocasa.com are the two I look at the most. Zoocasa will tell you what houses sold for, most of the time, which is handy. Source: about 3 years ago

You can make an account on zoocasa.com and look at sold prices. There's not a lot because they only show the prices for houses sold privately by companies such as purple bricks, but at least it gives you an idea. Source: about 3 years ago

I'm working on https://syften.com - a few of my users switched from Mention. - Source: Hacker News / about 1 month ago

You can try https://syften.com, but it's paid. - Source: Hacker News / 6 months ago

You might find https://syften.com/ interesting. I use it for monitoring Reddit and all kinds of communities for mentions of my name and the titles of my books. - Source: Hacker News / 7 months ago

Have you tried this one? https://syften.com/?redirect=false#pricing. Seems like it's an option for your use case. You just format the example of a problem as keyword as filter. - Source: Hacker News / 11 months ago

I've enjoyed using Syften (https://syften.com) for this :). Source: about 1 year ago