Packages crates.io zen_engine Package · crates.io
zen_engine crates.io · v2.1.2 · MIT
Business rules engine
Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work
Adoption
Downloads (90 days) 94.9K Observed downloads / 90 days
Popularity Lower half on crates.io Derived 15th percentile within crates.io
Dependents Collecting history Collecting
All-time downloads 301.2K Observed since first publish
Maintenance 0.98 Derived Release cadence and recency, 0 to 1
Releases per year 31 109 versions over its life Growth by period Derived by Crest of Tech from two observations of crates.io’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.
7 days Collecting history Collecting
30 days Collecting history Collecting
90 days Collecting history Collecting
1 year Collecting history Collecting Adoption history Observations in this range began OCT 6, 2026. The chart appears after 7 observations; 1 so far. Collecting history.
Table of observations (31) Day downloads / 90 days Dependents OCT 6, 2026 94,933 Not observed OCT 5, 2026 Not observed Not observed OCT 4, 2026 Not observed Not observed OCT 3, 2026 Not observed Not observed OCT 2, 2026 Not observed Not observed OCT 1, 2026 Not observed Not observed SEP 30, 2026 Not observed Not observed SEP 29, 2026 Not observed Not observed SEP 28, 2026 Not observed Not observed SEP 27, 2026 Not observed Not observed SEP 26, 2026 Not observed Not observed SEP 25, 2026 Not observed Not observed SEP 24, 2026 Not observed Not observed SEP 23, 2026 Not observed Not observed SEP 22, 2026 Not observed Not observed SEP 21, 2026 Not observed Not observed SEP 20, 2026 Not observed Not observed SEP 19, 2026 Not observed Not observed SEP 18, 2026 Not observed Not observed SEP 17, 2026 Not observed Not observed SEP 16, 2026 Not observed Not observed SEP 15, 2026 Not observed Not observed SEP 14, 2026 Not observed Not observed SEP 13, 2026 Not observed Not observed SEP 12, 2026 Not observed Not observed SEP 11, 2026 Not observed Not observed SEP 10, 2026 Not observed Not observed SEP 9, 2026 Not observed Not observed SEP 8, 2026 Not observed Not observed SEP 7, 2026 Not observed Not observed SEP 6, 2026 Not observed Not observed
Facts from the registry
Latest version v2.1.2 109 versions
First published MAR 13, 2023
Last release OCT 2, 2026 23d ago
Licence MIT Repository In the Crest catalog
Open-source Business Rules Engine for your Rust, NodeJS, Python, Go, Java, C#, Kotlin (JVM), Kotlin (Android) and Swift (iOS) applications.
Language Rust
Last push 23d ago
Last release 23d ago Dependencies latest version · v2.1.2 Runtime 35 ahash ^0.8anyhow ^1arc-swap ^1async-trait ^0.1base64 ^0.22downcast-rs ^2.0fixedbitset ^0.5flate2 ^1http ^1.3json_dotpath ^1jsonschema ^0.49nohash-hasher ^0.2once_cell ^1petgraph ^0.8reqsign ^0.20reqwest ^0.12rquickjs ^0.10rust_decimal ^1self_cell ^1serde ^1serde_json ^1serde_path_to_error ^0.1sha2 ^0.10strum ^0.27swc_common ^23swc_ecma_ast ^25swc_ecma_parser ^41swc_ts_fast_strip ^53.0.0thiserror ^1tokio ^1typed-arena ^2zen-expression ^2.1.2zen-tmpl ^2.1.2zen-types ^2.1.2zip ^8GoRules.ZenEngine ZEN Engine - Business Rules Engine for .NET. Execute JSON Decision Models (JDM) with native performance via Rust FFI bindings. NuGetPublished from the same repository zen-engine Open-Source Business Rules Engine PyPIPublished from the same repository @gorules/zen-engine Open-source Business Rules Engine for Node.js, powered by Rust npmPublished from the same repository io.gorules:zen-engine Open-source Business Rules Engine (BRE) for Java, powered by a native Rust core. Evaluates JSON Decision Models (decision tables, graphs and policies) in microseconds. Part of the GoRules platform (https://gorules.io). Documentation: https://docs.gorules.io/developers/sdks/java MavenPublished from the same repository @gorules/zen-engine-darwin-arm64 Open-source Business Rules Engine for Node.js, powered by Rust npmPublished from the same repository @gorules/zen-engine-darwin-x64 Open-source Business Rules Engine for Node.js, powered by Rust npmPublished from the same repository tombi 🦅 TOML Toolkit 🦅 PyPISame primary category onepipeline-cli Execute a task DAG over oneagentgraph and onevcs, merging their event streams into one. PyPISame primary category openrewrite OpenRewrite automated refactoring for Python. PyPISame primary category pyscn An intelligent Python code quality analyzer with architectural guidance PyPISame primary category sase-core-rs Rust core for the sase TUI/CLI: PyO3 bindings exposing the Patch parser, query language, agent-artifact scan, status state machine, and git-query parsers. PyPISame primary category pipmaster A versatile Python package manager utility for simplifying package installation, updates, checks, and environment management. PyPISame primary category Related news No published news event mentions this package or its repository yet.