gaogaotiantian/viztracer
A debugging and profiling tool that can trace and visualize python code execution
⚡ Executive Summary & Quick Facts
Authoritative Sourceviztracer is viztracer is an open-source project written in Python: A debugging and profiling tool that can trace and visualize python code execution..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), gaogaotiantian/viztracer has accumulated 7,751 GitHub stars and 476 forks. It is written in Python, licensed under Apache-2.0, and ranks #1,901 globally. It is actively maintained with the latest commit recorded on Sep 26, 2026.”
| Repository | gaogaotiantian/viztracer ↗ |
|---|---|
| Primary Category | debugging |
| Language & Stack | Python |
| Software License | Apache-2.0 |
| Community Traction | ★ 7.8K stars · ⑂ 476 forks · #1,901 globally |
| Maintenance | ● Active (Last commit: Sep 26, 2026) · 28 open issues |
| Target Audience | Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 92/100 · Grade AYes, viztracer is actively maintained. Continuous telemetry recorded the last code commit on Sep 26, 2026 (36 days ago). Supported by 7,751 stars and 476 community forks, this repository holds a calculated health index of 92/100, reflecting regular maintenance (36 days ago) and healthy issue cadence.
Star History
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+2
STARS · LAST 30 DAYS
1
PER DAY
#308
MOST-STARRED Python
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +2 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +1 | +24 |
viztracer gained 2 stars in the last 30 days, about 1 a day, and now has 7.8K. It is about 6 years old and has averaged roughly 1.3K stars a year. It ranks #308 among Python repositories and #1,901 across all languages on GitHubRepo.
Trending Record
35
DAYS ON TRENDING
#1186
BEST RANK
Sep 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
viztracer has maintained a continuous presence across global trending indexes, peaking at #1186. Below is the 30-day activity profile:
💡 Overview
viztracer is an open-source project written in Python: A debugging and profiling tool that can trace and visualize python code execution.
Engineered for speed, consistency, and developer ease, it solves common hurdles in debugging, flamegraph, logging. 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 Python 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
$ pip install viztracer⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Python >= 3.9, pip, virtualenv
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
viztracer coordinates its core functionality through a modular Python 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 viztracer into Python 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 Apache-2.0 license.
🚀 Getting Started
Install viztracer using your package manager: `pip install viztracer`
Initialize your project workspace or configuration file for viztracer.
Import viztracer into your codebase or invoke it directly from your terminal.
Execute your test suite or run `viztracer --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
gaogaotiantian/viztracer is currently ranked #1,901 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,896 | ParthJadhav/app-store-screenshots | TypeScript | ★ 7.8K | Compare ↗ |
| #1,897 | vscode-neovim/vscode-neovim | TypeScript | ★ 7.8K | Compare ↗ |
| #1,898 | dependency-check/DependencyCheck | Java | ★ 7.8K | Compare ↗ |
| #1,898 | logisim-evolution/logisim-evolution | Java | ★ 7.8K | Compare ↗ |
| #1,900 | midwayjs/midway | TypeScript | ★ 7.8K | Compare ↗ |
| #1,901 | gaogaotiantian/viztracer This Project | Python | ★ 7.8K | |
| #1,902 | flyteorg/flyte | Go | ★ 7.7K | Compare ↗ |
| #1,903 | steel-dev/steel-browser | TypeScript | ★ 7.7K | Compare ↗ |
| #1,903 | tamaratran/fast-jev-compaction | TypeScript | ★ 7.7K | Compare ↗ |
| #1,905 | dotnet/wpf | C# | ★ 7.7K | Compare ↗ |
| #1,906 | sebastianbergmann/php-timer | PHP | ★ 7.7K | Compare ↗ |
Frequently Asked Questions
What does viztracer do? +
A debugging and profiling tool that can trace and visualize python code execution
Is viztracer actively maintained in 2026? +
Yes, viztracer is actively maintained. The latest code push was recorded on Sep 26, 2026 (36 days ago). It holds a calculated Maintenance Health Score of 92/100 (A rating) with 7,751 stars and 28 open issues.
What language is viztracer written in? +
The primary language is Python. Topics include: debugging, flamegraph, logging, profiling, python.
How many stars does viztracer have? +
viztracer has 7,751 stars and 476 forks on GitHub.
How does viztracer rank among GitHub repositories? +
With 7,751 stars, gaogaotiantian/viztracer is ranked #1,901 globally across all repositories tracked on GitHubRepo and #308 among Python projects.
What license is viztracer distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
