Reddit serves json (just append .json to the end of any reddit link, e.g, https://www.reddit.com/r/hackernews/.json https://www.reddit.com/r/hackernews/.json),

Reddit serves json (just append .json to the end of any reddit link, e.g, https://www.reddit.com/r/hackernews/.json https://www.reddit.com/r/hackernews/.json), so it's very easy to build alternative clients.