Alternatives

Products that do what grepfeed does

Spot viral trends 48h before everyone else.

1IM
I made Google Trends for Hacker News by indexing 18 years of comments▲822
Jun 2026 · hackernewstrends.com
2
TrendTok▲87
AI powered TikTok analytics for trends, content & sounds
2021
3
Trendpop Hot 100▲105
Track the most viral trends on TikTok, updated daily.
2021
4
ShowStop▲34
Turn social trends into viral branded content
Feb 2026 · showstop.ai
5
AdDojo▲158
Go from raw footage to viral ads in seconds
2025
6
TrendWidget▲112
Google&Yahoo Trends on Home screen & AI search engine
Feb 2026 · trendwidget.app
7
Nowline▲3
Detect what's trending before the news picks it up
Feb 2026 · nowline.ai
8
Stuntmark▲92
We use AI sentiment analysis for location based content
2024
9
Hypetrace▲98
Search & analyze TikTok & Instagram influencers worldwide
2020
10
TrendFynd▲38
Find High-Intent Leads on Twitter in Real Time
Sep 2025
11
LikePulse▲99
See exactly where YouTube audiences react — instantly
May 2026 · likepulse.app
12
Virlo - Your Trend Spotting Companion▲59
Go Viral with Virlo.
2025
13
ViralMoment▲84
Get famous with viral trends
2022
14
SpotFetch by DocentPro▲68
Turn the posts you save into an organized list of places
May 2026 · apps.apple.com
15
ReelTrends: Trend Forecasting▲72
AI powered IG Reels analytics for trends, content & sounds
2022
16
Trend Watchers▲81
Get access to over 150 + new trends every week
2020
17
Synapt▲63
Find viral posts & reply with AI to grow 3× faster
Oct 2025
18TT
TopicRadar – Track trending topics across HN, GitHub, ArXiv, and more▲36
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…
Jan 2026 · apify.com
19
SocialCheckAi▲3
Find viral outliers and remix them into business scripts
Feb 2026 · socialcheckai.com
20VP
Viral Potential Predictor▲34
Hey HN, We analyzed 4,010,957 Hacker News submissions to find what actually makes posts perform well. Key findings: - 93.2% of posts never hit 50 points - Top 1% starts at 270 points - Certain keywords boost engagement by 1000%+ Built a free tool that scores your launch title and predicts viral potential: [link] The entire 4M post dataset is available as a single 700MB .mv2 file if you want to run your own analysis.
Dec 2025 · hn-ph.vercel.app
21
Prompt Zero▲18
Track your brand across ChatGPT, Gemini, Grok, and more.
Apr 2026 · promptzero.tech
22IB
I built a tool that helps predict HN front page success▲26
Hey HN community, I built a tool that helps optimize your post for hitting the first page of Show HN. How it works: I used a Hugging Face dataset of all Hacker News posts from the past 3 years and trained a model that predicts how successful your post might be. There's still a lot of randomness on HN, so nothing is guaranteed, but the tool helps optimize your post for higher odds. A couple of interesting findings: - GitHub repo links work x3 better than regular domains - Open-source tools have a steady virality rate (13.9% - one of the highest) - "I built" outperforms "We built" - Using…
May 2026 · wannalaunch.com
23IM
I made a Klout killer in 2 weeks▲12
Quibird is a better way to measure relevance on Twitter: http://quibird.com
2012
24
Trendno▲3
Know what to create before you open YT , google , chatgpt
Jun 2026 · trendnoai.com

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