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- 2PP
Hey! I'm Andrei. I got frustrated by how people tend to build overcomplicated backend systems, being "motivated" by big tech case studies and popular books. So, I started exploring lean architecture, and building my digital garden of ideas, approaches and data that align with this direction. Here I want to present one of the tools – Sizing tool for PostgreSQL. I've benchmarked PostgreSQL on different EC2 instances and disks, with different initial data sets to see performance that these instances can give you. And I've built a tool to visualize this data, which I welcome you to explore. So,…
Jul 2026 · postgres.saneengineer.com
- 3TT
We've been trying to evaluate web scraping companies, but when you look at their benchmarks, you can't verify anything, and they mostly exist to prove the company is successful. They put somewhere between 98% and 100% because they pick their own urls, define success their own way, and don't publish the harness. We also saw companies like scrapfly astroturf websites like scrapeway and call them independent. So, we built an open source benchmark that we want to represent the frontier of web data. We're trying to look across all major anti-bot providers and industries, to build a comprehensive…
Jul 2026 · github.com
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- 7PT
i wanted to build something on rails and sqlite and file_store cache. i have no idea if rei will let me into their affiliate program but this was fun to build
2022 · reipricetracker.com
- 8EC
I've been writing on Substack for the last year, and from the beginning I've been aware that I might want to migrate to a different platform at some point. I've been looking into the various alternatives to Substack for a while, and always found it difficult to compare costs across the different platforms. There's just too many variables that factor into the cost, and each platform has a slightly different pricing scheme. I've also been looking for the chance to try Streamlit, a Python library for making dashboards. Getting started with Streamlit was even easier than I imagined, so I ended…
2024 · nl-compare.streamlit.app
- 9SH
website: dashboard.io I've been thinking about this idea for a while now and finally got around to building the prototype this weekend. The idea is that you'd drop my JS snippet on your site and I'd start building the "AARRR" table (which I'm actually building this week but imagine slide 4: http://www.slideshare.net/dmc500hats/startup-metrics-for-pirates-long-version). Basically, the system will build that table out for you and then show you how your startup stacks up against others in your space. To be clear, I'll never share your data with anyone. So, if you're a "hosting" company, I'd…
2011
- 10MS
Hello HN! We're excited to announce MyDuck Server, an open-source project that seamlessly integrates the analytical power of DuckDB with your existing MySQL & Postgres databases. *Backstory* Currently, there are no fully satisfactory open-source OLAP solutions for MySQL & Postgres. In the MySQL ecosystem, HeatWave offers close integration, but it's a proprietary, commercial product from Oracle. The Postgres community has seen promising DuckDB-based extensions emerge, including the official pg_duckdb. However, extensions can introduce isolation concerns in mission-critical environments.…
2024 · github.com
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DMARC Monitoring For Everyone Who Isn't A Security Team
Jul 2026 · trustyourinbox.com
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- 13AR
I was inspired by mitchellh's Vouch project, an explicit trust system where maintainers vouch for contributors before they can interact with a repo. Ghostty uses it to filter out AI slop PRs. Because Vouch exposes the vouch list as a plain text file (VOUCHED.td), I realized I could aggregate them across GitHub and build a reputation index. A crawler finds every VOUCHED.td file, pulls the entries, and computes a weighted score per user. Vouches from high-star repos count more than vouches from zero-star repos. Next step is to wire up an API so that the vouch GH action can start to use this…
Feb 2026 · vouchbook.dev
- 14DG
I tend to use AI to brainstorm domain names, but I kept wasting time pasting each idea into Namecheap to see if they were available. So I built DotComBuddy - it generates ideas (using DeepSeek V3 - switched from GPT-4o after realizing quality was just as good) and checks availability in real time via Name.com’s API. Built with Next.js and Vercel’s AI SDK, the app gives you a table of available domains with their price. 10 free searches to try it out, then $9/year (what I’d pay to never do this manually again). Sharing this for anyone else tired of switching tabs to check domains. Happy…
2025 · dotcombuddy.com
- 15IM
Hey, Recently, I was blindsided by my web hosting plan renewing at almost double its initial cost. This unpleasant surprise prompted me to create Match My Hosting. As a hobby coder, I built this straightforward tool in my spare time using dead simple PHP, HTML, and JS with the massive help of ChatGPT-4. The tool currently includes around 30 providers with 120 different packages. It uses Trustpilot reviews to guide the recommendations, ensuring you choose a host that's not only technically suitable but also well-regarded by users. And to avoid any surprises, it also clearly displays both the…
2024 · matchmyhosting.com
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We built a data feed oracle to write prices on-chain, and it’s live on the Ropsten test network! In Decentralized Finance (Defi), you can build your own financial instruments and you often need an oracle to write off-chain prices onto the blockchain. We built an oracle focused on data feeds because the current options are too expensive and slow for regularly, repeating data. This oracle is designed for price feeds and uses public key encryption to validate the data submitted is accurate. We modeled our oracle off of MakerDao and generalized the design to work with any datafeed. We’re…
2019
- 18CS
Hi HN, Alexey from Chainstack here. We built Chainstack Self-Hosted to package everything we’ve learned from 8+ years of running blockchain nodes into a single control panel. The goal we’re building this product around is to make blockchain infrastructure boring to operate. The software is free to install. You only pay for the infrastructure you run it on. The quickest way to get hands-on with it is through the Vultr Marketplace or one of the other providers listed in the docs. The current release supports Ethereum Mainnet, Sepolia, and Hoodi with Reth + Prysm full nodes. We’ll be adding…
Jun 2026 · docs.chainstack.com
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- 20IB
Recently moved all of my apps to a $4/mo VPS using Coolify Saved tons of $$, and can self-host my Ghost/Wordpress/Postgres instances etc. Built a tool to help others do the same
2024 · indiehost.io
- 21HO
Hi HN! Ben here from hyprsqrl, and I just open-sourced something we’ve been quietly running in production: *hyprsqrl is a self-hostable bank. Think Revolut (if you know it), but every line of code is MIT/AGPL, you can run it on your own box, and the crypto bits stay hidden under the hood. --- ### Why we built it Moving money between USD and EUR still means wire fees, surprise freezes, and “call your bank” hoops. Fintechs like Revolut help—until their pricing changes or a regulator knocks. hyprsqrl aims for the resilience of self-hosting *without* forcing users to study crypto. Two…
2025 · github.com
- 22TP
Hi HN, I am a CTO/Founder usually stuck in "development hell" on long-term projects. To fix my perfectionism, I started a challenge on Jan 1st: Ship 12 startups in 12 months. This is Project #01: TierWise. The Problem: Most SaaS founders price for the US/EU market. Charging a flat $49/mo excludes huge segments of users in LATAM, India, or Southeast Asia where purchasing power is lower. Building a custom GeoIP/PPP logic for every side project is a distraction. The Solution: I built a drop-in JS widget that detects the visitor's country and calculates a discount based on…
Jan 2026
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