Zero Day Document Control (ZDDC)

The Universal Distributed Filing Cabinet

ZDDC is an information management convention plus a small set of single-file HTML tools. Every deliverable's filename encodes its tracking number, revision, status, and title; every transmittal folder is date-prefixed and self-describing. A plain shared folder becomes a fully searchable, auditable archive — no server, no database, no software required to read it.

The name "Zero Day Document Control" comes from the convention itself — adopt it on day zero of a project, with no setup time. The tools are optional interfaces around the structure; the structure works without them.

For end users: https://zddc.varasys.io/ introduces the project, links to all tool channels (stable / beta / alpha), and prints copy-paste shell snippets to install on a self-hosted deployment.

Tools

Tool	What it does
Archive Browser	Browse, search, and filter a project archive folder. Group by transmittal, export selections as ZIP.
Transmittal Creator	Self-contained HTML transmittal records with SHA-256 checksums and optional digital signatures.
Document Classifier	Spreadsheet-like bulk-renamer that copy/pastes with Excel and writes back to disk.
Markdown Editor	Browser-based markdown editor with YAML front matter, TOC, and direct local file access.

Each tool is published in three channels (stable, beta, alpha) as static files served from https://zddc.varasys.io/releases/. Local use: download a .html file from releases/ and open it in a browser. Server use: run zddc-server — the current-stable build of every tool is baked into the binary at compile time, so a fresh deployment Just Works with zero config. Tools auto-appear at folder-name-driven paths (archive everywhere; classifier in Incoming/Working/Staging; mdedit in Working; transmittal in Staging). Override per-directory by writing an apps: entry in any .zddc file (channel/version/URL/path). URL overrides are fetched once and cached in <ZDDC_ROOT>/_app/; drop a real .html file at any path to override entirely.

File-naming convention

The full specification — filename format, tracking numbers, revision rules, status codes, folder naming, and the transmittal workflow — lives at https://zddc.varasys.io/reference.html.

Quick example: 123456-EL-SPC-2623_A (IFR) - Specification For Switchgear.pdf

Build & develop

git clone https://codeberg.org/VARASYS/ZDDC.git && cd ZDDC

sh build.sh                              # build all tools (writes to dist/ only)
sh archive/build.sh                      # build one tool

sh archive/build.sh --release            # cut stable; auto-bumps patch from last tag
sh archive/build.sh --release 0.1.0      # explicit version
sh archive/build.sh --release alpha      # cut alpha (mutable channel, no tag)
sh archive/build.sh --release beta       # cut beta

npm install && npx playwright install chromium && npm test    # tests
./dev-server start                       # cache-busting HTTP on :8000

Authoritative build/release docs are in AGENTS.md. Architecture notes (single-file rationale, JS module pattern, security model) are in ARCHITECTURE.md. zddc-server (optional Go HTTP server with ACL and a virtual archive index) is in zddc/README.md. Example Helm charts for deploying zddc-server (production + dev) are under helm/.

Contributing

ZDDC is an open source project hosted on Codeberg at https://codeberg.org/VARASYS/ZDDC. Bug reports, feature requests, and pull requests welcome.

ZDDC is designed for zero configuration to start and minimal configuration overall — feature proposals are filtered through that lens.

License

GNU Affero General Public License v3.0. Free to use, modify, and distribute, including commercially, under the terms of the license. Provided "as is" without warranty.