onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime
⚡ Executive Summary & Quick Facts
Authoritative Sourceonnxruntime-extensions is onnxruntime-extensions is an open-source project written in C++: onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), microsoft/onnxruntime-extensions has accumulated 482 GitHub stars and 149 forks. It is written in C++, licensed under MIT, and ranks #12,782 globally. It is actively maintained with the latest commit recorded on Nov 12, 2026.”
| Repository | microsoft/onnxruntime-extensions ↗ |
|---|---|
| Primary Category | developer tools |
| Language & Stack | C++ |
| Software License | MIT |
| Community Traction | ★ 482 stars · ⑂ 149 forks · #12,782 globally |
| Maintenance | ● Active (Last commit: Nov 12, 2026) · 66 open issues |
| Target Audience | Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 93/100 · Grade A+Yes, onnxruntime-extensions is actively maintained. Continuous telemetry recorded the last code commit on Nov 12, 2026 (2 days ago). Supported by 482 stars and 149 community forks, this repository holds a calculated health index of 93/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+4
STARS · LAST 30 DAYS
1
PER DAY
#1,004
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +4 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +5 | +10 |
onnxruntime-extensions gained 4 stars in the last 30 days, about 1 a day, and now has 482. It is about 6 years old and has averaged roughly 80 stars a year. It ranks #1,004 among C++ repositories and #12,782 across all languages on GitHubRepo.
Trending Record
44
DAYS ON TRENDING
#2741
BEST RANK
Sep 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
onnxruntime-extensions has maintained a continuous presence across global trending indexes, peaking at #2741. Below is the 30-day activity profile:
💡 Overview
onnxruntime-extensions is an open-source project written in C++: onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime.
Engineered for speed, consistency, and developer ease, it solves common hurdles in C++. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C++ for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/microsoft/onnxruntime-extensions.git
cd onnxruntime-extensions⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
onnxruntime-extensions coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed onnxruntime-extensions into C++ backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open MIT license.
🚀 Getting Started
Install onnxruntime-extensions using your package manager: `git clone https://github.com/microsoft/onnxruntime-extensions.git`
Initialize your project workspace or configuration file for onnxruntime-extensions.
Import onnxruntime-extensions into your codebase or invoke it directly from your terminal.
Execute your test suite or run `onnxruntime-extensions --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
microsoft/onnxruntime-extensions is currently ranked #12,782 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #12,771 | graphql-hive/console | TypeScript | ★ 483 | Compare ↗ |
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| #12,771 | mjaakko/NeoStumbler | Kotlin | ★ 483 | Compare ↗ |
| #12,771 | eden-emulator/mirror | C++ | ★ 483 | Compare ↗ |
| #12,771 | linroid/Ketch | Kotlin | ★ 483 | Compare ↗ |
| #12,782 | microsoft/onnxruntime-extensions This Project | C++ | ★ 482 | |
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Frequently Asked Questions
What does onnxruntime-extensions do? +
onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime
Is onnxruntime-extensions actively maintained in 2026? +
Yes, onnxruntime-extensions is actively maintained. The latest code push was recorded on Nov 12, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 482 stars and 66 open issues.
What language is onnxruntime-extensions written in? +
The primary language is C++. Topics include: software.
How many stars does onnxruntime-extensions have? +
onnxruntime-extensions has 482 stars and 149 forks on GitHub.
How does onnxruntime-extensions rank among GitHub repositories? +
With 482 stars, microsoft/onnxruntime-extensions is ranked #12,782 globally across all repositories tracked on GitHubRepo and #1,004 among C++ projects.
What license is onnxruntime-extensions distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
