Protocol Buffers - Google's data interchange format

Rich is a Python library for rich text and beautiful formatting in the terminal.

Prettier is an opinionated code formatter.

An extremely fast Python linter and code formatter, written in Rust.

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]

The uncompromising Python code formatter

The Reliable USB Formatting Utility

[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

Label Studio is a multi-type data labeling and annotation tool with standardized output format

Concise, consistent, and legible badges in SVG and raster format

An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

A unified AI model hub for aggregation & distribution. It supports cross-converting various LLMs into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats. A centralized gateway for personal and enterprise model management. 🍥

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

A modern formatting library

AGENTS.md — a simple, open format for guiding coding agents

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

Format input text content when you are typing...

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

💾 Self-hosted online file converter. Supports 1000+ formats ⚙️

Utility to convert between various subscription format

ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.

The monorepo home to all of the FormatJS related libraries, most notably react-intl.

Brotli compression format

🚫💩 — Run tasks like formatters and linters against staged git files

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville

A formatter for Python files

The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.

A Ruby static code analyzer and formatter, based on the community Ruby style guide.