Commercial software and open-source infrastructure

Software built with precision, from consumer apps to open-source infrastructure.

Dizitart builds Spoolnote, a privacy-first voice notes app, alongside a portfolio of open-source infrastructure — embedded databases, Flutter libraries, and developer tooling.

Explore products

Commercial apps

Apps Dizitart designs, builds, and ships.

A small, focused set of commercial products, each with its own page covering what it does, its current status, and where to follow along.

Spoolnote app iconComing soon

Spoolnote

Voice notes that stay yours.

Spoolnote records, transcribes, and organizes your voice notes entirely on your phone — no account, no cloud, no telemetry.

  • On-device transcription
  • Search everything you've said
  • Smart auto-tagging
Android · iOSLearn more →

Open source

Everything Dizitart offers today.

Every product page explains what the product does, where it fits, and how it supports the wider Dizitart portfolio across data, runtime, workflow, and tooling needs.

Nitrite Java

908

An embedded NoSQL document database for Java and Kotlin applications that need local persistence, expressive queries, and deployment without external infrastructure.

Java

Papyrus

9

A federated Flutter WebView library that exposes a conservative-by-default API for loading, navigation, storage, security, and interaction control.

Flutter

Nitrite Flutter

24

A Flutter-native embedded document database that brings the Nitrite model to mobile and cross-platform Dart applications.

Flutter

Nitrite Rust

10

A Rust implementation of the Nitrite embedded document database model for systems-oriented applications.

Rust

JBus

13

A lightweight open-source event bus for Java applications that need decoupled publish-subscribe communication without a heavy framework.

Java

DRules

3

A JSON-based rule engine for Dart that evaluates conditions and actions against a runtime context.

Dart

Trace

1

A compact Go tracing utility for assertions, formatted writes, and low-friction runtime diagnostics.

Go