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Show HN: I built a tool to make early-stage marketing on LinkedIn less painful
Hi HN – I’m a marketer with 10+ years of experience. I used to work in big companies, with big brands and big budgets. We had full creative teams, external agencies, media buyers, and enough money to test everything.
Back then, I spent $10–20k a day on ads. If something didn’t work, we just pivoted fast.
Three years ago, I switched to early-stage B2B SaaS. Suddenly, I had to do everything — with no money, no team, and no margin for error.
And I hated it.
The hardest part? Getting attention.
CPCs are now $5–15 even in niche B2B. SEO doesn’t perform like it used to (AI spam everywhere). Paid channels are expensive and feel like a black hole.
So I turned to LinkedIn.
It’s weird, but still effective. Everyone in B2B is there — decision-makers, investors, customers. I saw other founders growing personal brands and getting traction. I tried it too.
But it felt awkward. Posts took too long to write. I had no content ideas. Most posts sounded cringe. I skipped posting all the time.
So I built a tool for myself.
Now it’s a product: Viralbuddy.io
It’s for early-stage founders and marketers who want to grow on LinkedIn without wasting hours.
It helps with:
Ideas: I scraped a library of viral LinkedIn posts and structured them. You can use them as-is or regenerate them with AI for your audience.
Writing: I spent a lot of time refining prompts using OpenAI and Claude. Posts are tailored to your goal (clients, investors, team, etc.) and follow a solid hook–body–CTA format.
Content creation: I built image and carousel generation using Recraft to save time and avoid design bottlenecks.
Now I post 3–5 times a week. My network grows by 300–500 people monthly. I’ve gotten beta users, partner intros, and even investor meetings — all through personal posts.
It’s not a magic bullet. You still need to show up and write honestly. But it helps.
How it’s built:
Scraping viral post data: Apify
Content generation: OpenAI (ChatGPT API) + Claude (Anthropic)
Image & carousel generation: Recraft
Frontend: basic onboarding logic + prompt flow in JS
Landing page: WordPress, set up with a $50 template + $50/year hosting
I’d love feedback, questions, or criticism. Happy to share how I built the prompt logic, YouTube summarizer, or the post structuring method.
Thanks!
Comments URL: https://news.ycombinator.com/item?id=44145093
Points: 1
# Comments: 0
Trump Championed Rulings That Are Now Being Used to Check His Power
Article URL: https://www.wsj.com/politics/policy/trump-courts-judges-conservative-law-b3fd979b
Comments URL: https://news.ycombinator.com/item?id=44145070
Points: 3
# Comments: 1
Ask HN: What credit card reader do you use? Square? Stripe?
How much do they charge? What's the lowest fee for taking credit card payments with Tap to pay?
Comments URL: https://news.ycombinator.com/item?id=44145066
Points: 1
# Comments: 0
Petabyte-Class E2 SSDs Poised to Disrupt Warm Data Storage – Storagereview.com
Article URL: https://www.storagereview.com/news/e2-ssd-form-factor
Comments URL: https://news.ycombinator.com/item?id=44145065
Points: 1
# Comments: 0
Git-worktree – Manage multiple working trees
Article URL: https://git-scm.com/docs/git-worktree
Comments URL: https://news.ycombinator.com/item?id=44145061
Points: 1
# Comments: 1
Using MCPs to Run Terraform
Article URL: https://masterpoint.io/blog/using-mcps-to-run-terraform/
Comments URL: https://news.ycombinator.com/item?id=44145048
Points: 1
# Comments: 0
The Academic Pipeline Stall: Why Industry Must Stand for Academia – Sigplan Blog
Article URL: https://blog.sigplan.org/2025/05/19/the-academic-pipeline-stall-why-industry-must-stand-for-academia/
Comments URL: https://news.ycombinator.com/item?id=44145043
Points: 1
# Comments: 0
Supporting Healthy Bone Density with Nutrition: Tips for Healthier Bones
Article URL: https://www.nutritionbymargo.com/blog/2023/6/12/supporting-healthy-bone-density-with-nutrition
Comments URL: https://news.ycombinator.com/item?id=44145033
Points: 1
# Comments: 0
Master Foo and the Hardware Designer
Article URL: http://www.catb.org/~esr/writings/unix-koans/hardware-designer.html
Comments URL: https://news.ycombinator.com/item?id=44145032
Points: 2
# Comments: 0
Service costs aren't exploding anymore
Article URL: https://www.noahpinion.blog/p/service-costs-arent-exploding-anymore
Comments URL: https://news.ycombinator.com/item?id=44145029
Points: 1
# Comments: 0
The capacity of the algorithm to create monsters (2023)
Article URL: https://markcarrigan.net/2023/08/31/the-capacity-of-the-algorithm-to-create-monsters/
Comments URL: https://news.ycombinator.com/item?id=44145018
Points: 1
# Comments: 0
Building Complexity from Simplicity: An Interactive Web Experiment
Article URL: https://blog.daviddodda.com/building-complexity-from-simplicity-an-interactive-web-experiment
Comments URL: https://news.ycombinator.com/item?id=44144995
Points: 1
# Comments: 0
More hurricanes are slamming the Gulf Coast. Is this the new normal?
Article URL: https://www.tampabay.com/hurricane/2025/05/31/hurricanes-gulf-coast-florida-climate-change/
Comments URL: https://news.ycombinator.com/item?id=44144980
Points: 1
# Comments: 0
The Waffle House Magic Marker System
Article URL: https://www.youtube.com/watch?v=Jky5ZXI0axc
Comments URL: https://news.ycombinator.com/item?id=44144979
Points: 2
# Comments: 0
Show HN: I Couldn't Find a Good Open-Source Web Video Editor, So I Built One
I wanted an open-source video editor template for React. Found no good ones. reactvideoeditor.com is paid. So ended up building this.
It is powered by Remotion, provides non-linear video editing support, live preview and local exporting for now.
If you're building a tool where you need to give customers a video editor in the browser, this can be helpful.
MIT licensed.
Let me know what you guys think, feel free to drop by and make a PR/Issue.
https://github.com/robinroy03/videoeditor
Comments URL: https://news.ycombinator.com/item?id=44144974
Points: 2
# Comments: 0
I Monitor Tariff Impacts Every Day: Here Are My Top Tips to Help You Track Prices
In a world first, Brazilians will soon be able to sell their digital data
Article URL: https://restofworld.org/2025/brazil-dwallet-user-data-pilot/
Comments URL: https://news.ycombinator.com/item?id=44144702
Points: 1
# Comments: 0
The Rise and Fall of Clippy: From Microsoft's Bold Vision to Internet Legend
Article URL: https://magnus919.com/2025/05/the-rise-and-fall-of-clippy-from-microsofts-bold-vision-to-internet-legend/
Comments URL: https://news.ycombinator.com/item?id=44144680
Points: 1
# Comments: 1
Show HN: Firefox from Ramdisk (macOS Only)
I hacked this app for my needs in one single before noon in Swift. ChatGPT and Grok turned out to be super helpful.
It solves the problem, where Firefox writes excessive amounts of data. Even if you disable disk cache. It still stores lot of data. cookies, session storage data...
It's MIT licensed and source code is provided.
https://github.com/mauron85/Firefox-Ramdisk
Comments URL: https://news.ycombinator.com/item?id=44144678
Points: 1
# Comments: 0