[HN Gopher] TopicRadar - Track trending topics across Hacker New...
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       TopicRadar - Track trending topics across Hacker News, GitHub,
       ArXiv, and more
        
       Author : MickolasJae
       Score  : 4 points
       Date   : 2026-01-20 14:47 UTC (8 hours ago)
        
 (HTM) web link (apify.com)
 (TXT) w3m dump (apify.com)
        
       | MickolasJae wrote:
       | Hey HN! I built TopicRadar to solve a problem I had with staying
       | on top of what's trending in AI/ML without checking 7+ sites
       | daily.
       | 
       | https://apify.com/mick-johnson/topic-radar
       | 
       | What it does: - Aggregates from HackerNews, GitHub, arXiv,
       | StackOverflow, Lobste.rs, Papers with Code, and Semantic Scholar
       | - One-click presets: "Trending: AI & ML", "Trending: Startups",
       | "Trending: Developer Tools" - Or track custom topics (e.g., "rust
       | async", "transformer models") - Gets 150-175 results in under 5
       | minutes
       | 
       | Built for the Apify $1M Challenge. It's free to try - just hit
       | "Try for free" and use the default "AI & ML" preset.
       | 
       | Would love feedback on what sources to add next or features you'd
       | find useful!
        
         | Imustaskforhelp wrote:
         | Crazy how me and my brother had the same idea 7-8 months ago
         | when claude was hosting their own challenge and we were gonna
         | use Apify or build on top of apify itself something eerily
         | similar to this
         | 
         | Though we wanted to include reddit & twitter as well. Reddit's
         | got a recent database and being able to query it with hourly
         | updates iirc so you can probably query this as well or use that
         | as well
         | 
         | Not sure about twitter but twitter does seem to be the most
         | valauable insight in AI/ML right now (considering that I see
         | tweets of qwen guys or similar AI teams on r/locallama whose
         | link might be even on hackernews haha!)
         | 
         | Personally I don't use twitter and follow HN/reddit as such for
         | that sometimes especially reddit's r/localllama
         | 
         | Also my brother wanted to expand this to something general ie
         | people can search for anything on reddit/twitter or get updates
         | if people reference something iirc about anything not just
         | particularly AI/ML
         | 
         | Anyways coding challenges are great and so good luck!
        
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       (page generated 2026-01-20 23:00 UTC)