Zeroback – open-source realtime back end on Cloudflare Durable Objects
Convex DX on Cloudflare Workers with Durable Objects for state.

Text-to-3D manufacturing with delivery in days, but pricing and reliability unconfirmed.
Makers, product designers, non-technical users who want custom parts fast
Shapeways · Thingiverse · Formlabs Print
Convex DX on Cloudflare Workers with Durable Objects for state.
Compares 30+ storage providers with real cost calculator including egress and ops.
Object storage pricing with egress and ops costs—more specific than Vantage's general cloud calculator.
Attribute-driven null handling and SVO type narrowing outthinks PHP readonly.
Cloud cost calculators exist everywhere — this one just covers more providers.
The project swaps the common 'one-file-per-object' approach for an LMDB-backed location index and a single-file storage layout, which is a pragmatic way to squeeze throughput out of one machine. It includes a small web UI and mentions manual-commit durability and DuckDB notes, signaling it's aimed at fast local or ephemeral workloads rather than multi-node durability. Clever technical choices, but it's a niche single-node tradeoff rather than a replacement for distributed S3 systems.