Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Backstage vs Port vs Cortex: Internal Developer Portals 2026
40%+ of engineering orgs with 50+ developers now run internal developer portals. Backstage is open-source and extensible. Port is API-first and fast to deploy. Cortex focuses on service quality scorecards. The right choice depends on your team size and maturity.
Technology · Mar 23, 2026 · 14 min read
LlamaIndex vs LangChain vs Haystack: Best RAG Framework 2026
LlamaIndex is data-focused, LangChain is agent-focused, and Haystack is production-focused. Each RAG framework excels at different things, and picking the wrong one costs you months of migration later.
Technology · Mar 23, 2026 · 14 min read
Polar vs Lago vs Stripe Billing: Open-Source Billing in 2026
Open-source billing platforms are challenging Stripe Billing's dominance. Lago offers metering accuracy for usage-based pricing. Polar targets developer tools. Stripe Billing is the safe default. Here is when each makes sense.
Technology · Mar 23, 2026 · 14 min read
PartyKit vs Liveblocks vs Durable Objects: Realtime for Apps
Building Figma-like multiplayer features means choosing real-time infrastructure. PartyKit makes it fun, Liveblocks makes it fast to ship, and Durable Objects give you maximum control. Each serves a different stage of ambition.
Technology · Mar 23, 2026 · 14 min read
Local-First Software Architecture: The Complete Guide 2026
Local-first architecture delivers instant UI, offline support, and real-time collaboration while reducing server costs 40 to 60%. It is the most important architectural shift since single-page applications, and most teams are still ignoring it.
Technology · Mar 23, 2026 · 16 min read
Cloudflare R2 vs S3 vs Vercel Blob: Object Storage Compared 2026
Cloudflare R2 disrupted object storage with zero egress fees. Here is how it stacks up against S3 and Vercel Blob for user uploads, media storage, and static assets in 2026.
Technology · Mar 21, 2026 · 13 min read
Ably vs Pusher vs Supabase Realtime: Real-Time APIs in 2026
Real-time messaging infrastructure is required for collaboration, chat, and live updates. Here is how Ably, Pusher, and Supabase Realtime compare for production applications in 2026.
Technology · Mar 21, 2026 · 13 min read
Cal.com vs Calendly vs SavvyCal: Scheduling APIs for Devs 2026
Cal.com's open-source model and SavvyCal's smart scheduling challenge Calendly's dominance. Here is what CTOs embedding scheduling into vertical SaaS products need to know.
Technology · Mar 21, 2026 · 12 min read
Lynx vs React Native vs Flutter: Cross-Platform Compared in 2026
ByteDance open-sourced Lynx, the framework powering TikTok's mobile UI. Here is how it compares to React Native and Flutter for startups choosing a cross-platform framework in 2026.
Technology · Mar 21, 2026 · 13 min read
TipTap vs Lexical vs Plate: React Rich Text Editors for 2026
Rich text editing is the hardest frontend problem. Here is how TipTap (ProseMirror), Lexical (Meta), and Plate (Slate) compare for building Notion-like editors, CMSs, and collaborative tools.
Technology · Mar 21, 2026 · 13 min read
Sentry vs LogRocket vs FullStory: Session Replay Tools in 2026
Session replay shows you exactly what users experienced before a bug or drop-off. Here is how Sentry, LogRocket, and FullStory compare for debugging, product analytics, and user experience monitoring.
Technology · Mar 21, 2026 · 13 min read
Framer vs Webflow vs Wix Studio: Visual Web Builders in 2026
Framer surpassed 1M users in 2026, disrupting Webflow's design-tool dominance. Here is an honest comparison of the three leading visual web builders for startups and agencies.
Technology · Mar 20, 2026 · 13 min read