Why self-host? Current options for email, caldav, images, and more

Let me make the argument why you should start self-hosting more of your personal services.

Railway Object Storage: S3 Buckets Now Available

We’ve heard you: many of you have asked for Object Storage on Railway.We’re now exploring adding object storage, and we’d love your input before we bu...

Exploring OpenAI’s deep research API model o4-mini-deep-research

I was reviewing some older PRs and landed this one by Manuel Solorzano adding pricing for o4-mini-deep-research and o3-deep-research to my llm-prices....

Dokploy - Effortless Deployment Solutions

Simplify your DevOps with Dokploy. Deploy applications and manage databases efficiently on any VPS.

How to Have LLMs Write More Efficient Code using Optimal Data Structures

LLMs often generate O(n²) solutions when O(n) would suffice. Learn how to prompt for optimal data structures, avoid common performance pitfalls, and g...

How to Secure Environment Variables for LLMs, MCPs, and AI Tools Using 1Password or Doppler

Stop hardcoding API keys in MCP configs and AI tool settings. Learn how to use 1Password CLI or Doppler to inject secrets just-in-time for Claude, Cur...

How I Host My Apps: How to Deploy in 2025

The hosting setup I use for aVenture.vc, plus why you shouldn't waste time with complex cloud services when starting out.

Vercel Blob vs Hetzner vs DigitalOcean vs AWS S3: Object Storage Showdown

Comparing Vercel Blob's new general availability pricing and features against Hetzner Object Storage, DigitalOcean Spaces, and traditional AWS S3 to h...

williamcallahan.com

Interactive personal site with beautiful terminal/code components & other dynamic content

Book Finder (findmybook.net)

Java-based book search and recommendation engine with OpenAI integration

Sealed

Home weatherization and electrification platform offering upgrades with no upfront cost, paid through energy savings.

Jetty

Modern financial services company providing rental insurance and security deposit alternatives.