It's hosted, not standalone. Why should they give away the source code? There are obvious monetisation opportunities, down the road, which they deserve if they are putting in effort to solve a real problem.
@CharlieMac I guess I just didn't want to be promoting it directly and also the link has changed once or twice during development so its easier to just DM people if they're interested.
Thanks all DMs sent now. The link to the website is https://www.capitalgains.ie if you want to get notified when we release. If you'd like to test it out just DM me or post here thanks