Jarek
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jarekceborski.com
Jarek
@jarekceborski.com
Designer turned Founder
✨ @kerlig.com - AI writing assistant
🌐 @localcan.com - #1 Ngrok alternative
😎 http://Webhook.Cool - free webhook tester
this november i like
November 3, 2025 at 9:37 PM
made it to the end of the world
October 28, 2025 at 8:52 PM
I wrote a tutorial:
Self-host Next.js with Docker Swarm and CI/CD Pipeline

✦ Next.js + Postgres + Nginx
✦ Dev & Prod setups
✦ CI/CD Pipeline
✦ Docker layer caching
✦ Logging with Loki
✦ Docker secrets
✦ Certificates
October 1, 2025 at 4:48 PM
3D printing was fun
(circa 2020)
September 26, 2025 at 9:01 AM
renovation is not a reason to stop building (⌐■_■)
September 16, 2025 at 1:46 PM
Weekly reminder: if you don't feel like watching hour-long talking head videos, @Kerlig.com is your friend - ask questions, summarize, unpack topics 🤙
September 15, 2025 at 1:37 PM
LAUNCH 🚀

Kerlig is now live on Uneed!

Likely the best AI quick chat you can get on macOS

I appreciate your support (ᵔᴥᵔ)
September 11, 2025 at 7:19 AM
huge milestone today – it all started as side projects on my laptop – now my apps have crossed $100k in revenue!

I've made several pivots in my life, but this one is definitely the most challenging, ambitious and rewarding so far

now back to work
September 9, 2025 at 8:39 AM
I already have everything I need...
I already have everything I need...
I already have everything I need...
I already have everything I need...
I already have everything I need...
September 8, 2025 at 3:18 PM
I've created a "Me" preset for hyper-personalized AI responses in Kerlig.com – just a few paragraphs about who I am, what I do, my plans, and goals.
September 6, 2025 at 10:40 AM
How do you sharpen your skills in a new field?

Here is my example:
I built a free webhook tester, Webhook.Cool, that now runs 100% on autopilot and has just crossed 25M requests, with traffic from Google only growing!

It was a fun little exercise that taught me about:
September 6, 2025 at 10:04 AM
How Kerlig summarizes websites? I share the secret sauce:
September 2, 2025 at 8:02 AM
Working on a landing page for A/B testing next week, with:
- Stronger social proof
- More emphasis on features
- Stripe instead of Lemon Squeezy
- Better design craft overall
June 14, 2025 at 10:28 AM
New article on the blog, enjoy ✌️
June 13, 2025 at 9:14 AM
20 years ago today 🫡
June 12, 2025 at 2:28 PM
Finally added Custom Actions to the Help section in Kerlig,
using JavaScript in prompts is pretty cool! 👇
May 30, 2025 at 3:01 PM
I have fully switched to Gemini 2.5 Pro with all my tasks. It handles everything from customer support to coding, summarizing, and proofreading. Both in English and Polish.
May 26, 2025 at 6:52 PM
A quick, technical demo, if you are curious – getting content from Safari, Notes and Slack to @Kerlig.com. Currently in JSON, as the initial step. I'm using Accessibility API and Swift.
May 22, 2025 at 8:40 PM
Random thoughts

9 minutes explaining why Jony & Sam are best buddies, why?

Steve Jobs created enormous momentum that lasts to this day, but won't last forever.
May 21, 2025 at 6:47 PM
I've been scratching my head recently about how to easily use content from other apps in @Kerlig.com to give AI the context for meaningful chat, and not just take a "screenshot," but actual content. Here is the idea. What do you think?
May 21, 2025 at 6:10 PM
it's pretty cool to chat with ebooks! 📕
May 12, 2025 at 4:19 PM
DAU↗ is not going down 😁
May 10, 2025 at 10:00 AM
Frame 2984, I had a little time this evening, so I explored whether some logo improvements could be made. Any thoughts?
May 3, 2025 at 9:50 PM
First of May.
📍Tenerife
(shot on Sony ZV-E1)
May 1, 2025 at 9:22 PM
yesterday, same balcony:
20:00 vs 23:00 (8pm vs 11pm)
🤯
May 1, 2025 at 9:47 AM