immutable-storage

Single-file, zero-dependency Python vault: write-once (WORM) storage with content-defined dedup, AES-256-GCM at rest, and 4K streaming from a Pi-sized RAM budget

Multi-language append-only ledger fabric with a Zig storage engine, SPARK-verified control invariants, OCaml policy layer, Erlang replication mesh, and stable C ABI.

Autobricks WORM is an appendable WORM (Write Once, Read Many) filesystem. Committed bytes cannot be overwritten, while new bytes can be appended at the current lock boundary.

Deterministic recovery architectures designed to survive identity provider compromise and storage poisoning.

Arcserve — independent third-party profile of a public API surface, by API Evangelist. Arcserve is a data protection, backup, and disaster recovery software vendor that helps organizations safeguard business-critical data across cloud, on-premises, and hybrid environments.