Source: https://seerepo.com/uses/fonttools
Markdown source: https://seerepo.com/uses/fonttools.md
Description: 10 public repos that SeeRepo read use fonttools. It's used most with Rich, AIOHTTP, and diskcache.

# Open source repos that use fonttools

10 public repos that SeeRepo read use fonttools. It's used most with Rich, AIOHTTP, and diskcache.

## Used most with

- Rich: 4 repos
- AIOHTTP: 3 repos
- diskcache: 2 repos
- matplotlib: 2 repos
- pillow: 2 repos
- FastAPI: 2 repos
- ONNX: 2 repos
- onnxruntime: 2 repos

## The repos, by stars

1. [3b1b/manim](https://seerepo.com/r/3b1b/manim): Python · 96,121 stars · 1.2% signed by AI — Animation engine for explanatory math videos
2. [PaddlePaddle/PaddleOCR](https://seerepo.com/r/PaddlePaddle/PaddleOCR): C++ · 92,256 stars · 0.3% signed by AI — Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.
3. [datawhalechina/hello-agents](https://seerepo.com/r/datawhalechina/hello-agents): Python · 86,039 stars · 2.4% signed by AI — 📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程
4. [apache/superset](https://seerepo.com/r/apache/superset): Python · 75,409 stars · 9.2% signed by AI — Apache Superset is a Data Visualization and Data Exploration Platform
5. [warpdotdev/warp](https://seerepo.com/r/warpdotdev/warp): Rust · 65,876 stars · 41.5% signed by AI — Warp is an agentic development environment, born out of the terminal.
6. [Aider-AI/aider](https://seerepo.com/r/Aider-AI/aider): Python · 49,968 stars · 89.5% signed by AI — aider is AI pair programming in your terminal
7. [ray-project/ray](https://seerepo.com/r/ray-project/ray): Python · 44,213 stars · 3.6% signed by AI — Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
8. [PDFMathTranslate/PDFMathTranslate](https://seerepo.com/r/PDFMathTranslate/PDFMathTranslate): Python · 38,257 stars · 0.3% signed by AI — [EMNLP 2025 Demo] PDF scientific paper translation with preserved formats - 基于 AI 完整保留排版的 PDF 文档全文双语翻译，支持 Google/DeepL/Ollama/OpenAI 等服务，提供 CLI/GUI/MCP/Docker/Zotero
9. [walkinglabs/learn-harness-engineering](https://seerepo.com/r/walkinglabs/learn-harness-engineering): TypeScript · 23,149 stars · 22% signed by AI — Harness engineering beginner tutorial, from 0 to 1
10. [jianchang512/pyvideotrans](https://seerepo.com/r/jianchang512/pyvideotrans): Python · 19,644 stars · 0.8% signed by AI — Translate the video from one language to another and embed dubbing & subtitles.

## Frequently asked questions

### What is the most popular open source repo that uses fonttools?

3b1b/manim, with 96,121 stars on GitHub.

The proof: [3b1b/manim on GitHub](https://github.com/3b1b/manim)

### What other technologies is fonttools used with?

With Rich (4), AIOHTTP (3), diskcache (2), matplotlib (2), and pillow (2), out of the 10 repos that use it.

### What languages are the repos that use fonttools written in?

Python (7), C++ (1), Rust (1), and TypeScript (1).

### How many repos that use fonttools have commits signed by AI?

10 of the 10; the most, Aider-AI/aider, with 89.5% of its commits.

The proof: [the commits each tool signed in Aider-AI/aider](https://seerepo.com/r/Aider-AI/aider/ai)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.