A scan of 4,433 open listings on Flippa, read as a build guide: the three models that keep selling, why thin moats are the point, and what the 12% of dead domains say about what not to build.
celld from Deno Land runs a Cloudflare Workers application on your own machines: Durable Objects, KV, Queues, D1, Workflows, backed by your own S3 bucket and no control plane. A sysadmin tour of the use cases, the costs, and how the per-entity cell model differs from building on Postgres plus Redis.
A Rust developer open sourced clean-room Adobe alternatives built with Claude Opus 5.5. What the current wave of LLMs can and cannot do, and why the expert still matters.
In 2026 the cost of self-hosting email is not the server, it is the blacklist tax: inherited VPS IP reputation, broader sender mandates, and silent non-delivery you cannot see. My sysadmin verdict is that for most people it is no longer worth the pain, plus the narrow cases where it still is, and the relay-based middle ground I recommend instead.
HoneyBook, Dubsado, Studio Ninja, and Pixieset Studio Manager compared for a solo photography business: real 2026 prices from vendor pages, automation depth, galleries, free tiers, team billing, setup effort, and which tool fits which kind of photographer.
The best personal trainer and online coaching software is decided by the pricing model, not the sticker: per-client tiers, add-on stacks for payments, nutrition, and branded apps, transaction fees, and what the export looks like when you leave. An honest comparison of ABC Trainerize, TrueCoach, Everfit, and PT Distinction with real 2026 USD pricing, the per-client math that changes which tier you need, and the checks to run before you sign.
The smallest automation in the smart home is also one of the most useful: a Wake-on-LAN packet that spins a sleeping server back to life. A sysadmin read on WoL use cases, Home Assistant automations, coexisting with Zigbee smart plugs, waking on demand, and how to shut down gracefully without cutting power under load.