OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.
⚡ Executive Summary & Quick Facts
Authoritative SourceOpenMLDB is OpenMLDB is an open-source project written in C++: OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), 4paradigm/OpenMLDB has accumulated 1,717 GitHub stars and 335 forks. It is written in C++, licensed under Apache-2.0, and ranks #6,205 globally. It is actively maintained with the latest commit recorded on Nov 10, 2026.”
| Repository | 4paradigm/OpenMLDB ↗ |
|---|---|
| Primary Category | database for ai |
| Language & Stack | C++ |
| Software License | Apache-2.0 |
| Community Traction | ★ 1.7K stars · ⑂ 335 forks · #6,205 globally |
| Maintenance | ● Active (Last commit: Nov 10, 2026) · 412 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: 92/100 · Grade AYes, OpenMLDB is actively maintained. Continuous telemetry recorded the last code commit on Nov 10, 2026 (3 days ago). Supported by 1,717 stars and 335 community forks, this repository holds a calculated health index of 92/100, reflecting very active (commits within last 14 days) and active community feedback (412 open).
Star History
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+43
STARS · LAST 30 DAYS
1
PER DAY
#480
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +43 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +2 | +7 | +17 |
OpenMLDB gained 43 stars in the last 30 days, about 1 a day, and now has 1.7K. It is about 6 years old and has averaged roughly 286 stars a year. It ranks #480 among C++ repositories and #6,205 across all languages on GitHubRepo.
Trending Record
3
DAYS ON TRENDING
#11125
BEST RANK
Nov 10, 2026
FIRST APPEARANCE
Active
STATUS TODAY
OpenMLDB has maintained a continuous presence across global trending indexes, peaking at #11125. Below is the 30-day activity profile:
💡 Overview
OpenMLDB is an open-source project written in C++: OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.
Engineered for speed, consistency, and developer ease, it solves common hurdles in database-for-ai, database-for-machine-learning, feature-engineering. 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/4paradigm/OpenMLDB.git
cd OpenMLDB⚙ 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
OpenMLDB 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
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with OpenMLDB.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install OpenMLDB using your package manager: `git clone https://github.com/4paradigm/OpenMLDB.git`
Initialize your project workspace or configuration file for OpenMLDB.
Import OpenMLDB into your codebase or invoke it directly from your terminal.
Execute your test suite or run `OpenMLDB --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
4paradigm/OpenMLDB is currently ranked #6,205 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #6,196 | damongolding/immich-kiosk | Go | ★ 1.7K | Compare ↗ |
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| #6,202 | flaresocialapp/Flare | Kotlin | ★ 1.7K | Compare ↗ |
| #6,203 | djcb/mu | C++ | ★ 1.7K | Compare ↗ |
| #6,203 | sartoopjj/thefeed | Go | ★ 1.7K | Compare ↗ |
| #6,205 | 4paradigm/OpenMLDB This Project | C++ | ★ 1.7K | |
| #6,205 | pdf-rs/pdf | Rust | ★ 1.7K | Compare ↗ |
| #6,205 | superfly/flyctl | Go | ★ 1.7K | Compare ↗ |
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Frequently Asked Questions
What does OpenMLDB do? +
OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.
Is OpenMLDB actively maintained in 2026? +
Yes, OpenMLDB is actively maintained. The latest code push was recorded on Nov 10, 2026 (3 days ago). It holds a calculated Maintenance Health Score of 92/100 (A rating) with 1,717 stars and 412 open issues.
What language is OpenMLDB written in? +
The primary language is C++. Topics include: database-for-ai, database-for-machine-learning, feature-engineering, feature-extraction, feature-store.
How many stars does OpenMLDB have? +
OpenMLDB has 1,717 stars and 335 forks on GitHub.
How does OpenMLDB rank among GitHub repositories? +
With 1,717 stars, 4paradigm/OpenMLDB is ranked #6,205 globally across all repositories tracked on GitHubRepo and #480 among C++ projects.
What license is OpenMLDB distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
