Open-source products built by Dizitart

Dizitart presents a growing portfolio of open-source products spanning embedded data, controlled web content libraries for Flutter, workflow foundations, and developer utilities. Each product has a focused page that explains what it does and where it fits.

Explore flagship productsBrowse all products
7open-source products
4capability themes
2flagship products
3product categories

Flagship products

Products that define the Dizitart portfolio.

Nitrite Database and Papyrus lead the portfolio today. They represent Dizitart's strongest product stories while the broader lineup expands into platform ports, workflow components, and developer tooling.

DatabaseFlagship

Embedded document database for Java and Kotlin

Nitrite Database

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

Embedded NoSQL document database
JavaKotlin
  • Embeds directly into Java and Kotlin applications with no separate server to provision or operate.
  • Combines document collections, indexing, and repository-style access in a developer-friendly API.
  • Anchors the Nitrite product line, which now extends the same embedded database model to Flutter and Rust.
Product siteRead project page
LibraryFlagship

Policy-driven federated Flutter WebView library

Papyrus

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

Federated Flutter WebView library
FlutterWebView
  • Wraps the system WebView on each supported platform behind a consistent federated Flutter API.
  • Prioritizes safe, policy-driven configuration for loading, navigation, storage, and interaction control.
  • Targets controlled HTML rendering use cases instead of positioning itself as a standalone app or full browser.
Source codeRead project page

All products

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.

DatabaseFlagship

Nitrite Database

Embedded document database for Java and Kotlin

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

  • Java
  • Kotlin
  • JVM
Read product pageEmbedded NoSQL document database
LibraryFlagship

Papyrus

Policy-driven federated Flutter WebView library

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

  • Flutter
  • WebView
Read product pageFederated Flutter WebView library
DatabasePlatform

Nitrite Flutter

Embedded document database for Flutter

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

  • Flutter
  • Dart
  • Mobile
Read product pageEmbedded document database for Flutter
DatabasePlatform

Nitrite Rust

Embedded document database for Rust

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

  • Rust
  • Document store
  • Native
Read product pageEmbedded document database for Rust
LibraryLibrary

JBus

Event bus for Java

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

  • Java
  • Events
  • JVM
Read product pageJava event bus
LibraryLibrary

DRules

JSON-based rule engine for Dart

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

  • Dart
  • Rules engine
  • Library
Read product pageDart rule engine
ToolUtility

Trace

Go tracing and assertion utility

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

  • Go
  • Tracing
  • Tooling
Read product pageGo tracing and assertion utility

Product lines

Built as focused product families.

Dizitart groups its open-source work into clear product lines so teams can identify the right combination of data, runtime, workflow, and tooling capabilities for their software stack.

Data products

Embedded data products for local-first applications.

Nitrite Database and its Flutter and Rust implementations give teams a shared embedded data model for desktop, mobile, and native software.

Explore data productsApplication foundations

Runtime, workflow, and diagnostics products for application teams.

Papyrus, JBus, DRules, and Trace help teams deliver controlled web content, modular workflows, rules-driven behavior, and day-to-day diagnostics.

Explore application products