Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Pillow
The friendly PIL fork that adds image processing capabilities to Python
PyMuPDF
A high-performance Python library for extracting, rendering, converting, and manipulating PDF and other document formats.
opencv-python
Pre-built, pip-installable OpenCV bindings that give Python programs full computer vision and image-processing capabilities without compiling from source.
torchaudio
GPU-accelerated audio processing library built on PyTorch, with differentiable transforms, Kaldi-compatible features, and pretrained speech models.
youtube-transcript-api
Fetch transcripts and auto-generated subtitles for any YouTube video in Python
librosa
A Python library for audio and music signal analysis, providing the core DSP building blocks for music information retrieval (MIR) systems.
PyAV
Pythonic bindings for FFmpeg's audio, video, subtitle, and container libraries.
FontTools
Python library for manipulating TrueType, OpenType, and other font formats
barcode
A pure Go library for generating and rendering 1D and 2D barcodes, from Code128 and EAN to QR Code and PDF417.
imageio-ffmpeg
A pure-Python wrapper that bundles a platform-specific ffmpeg binary for reading and writing video, with no system ffmpeg install required.
pytube
A lightweight, dependency-free Python library for downloading YouTube videos
EasyOCR
Ready-to-use Python OCR supporting 80+ languages and all popular writing scripts.
kornia
A differentiable computer vision library for PyTorch, with 500+ GPU-ready ops for image processing, augmentation, and geometry.
scikit-image
A collection of algorithms for image processing in Python, built on NumPy arrays and interoperable with the scientific Python ecosystem.
SVGo
A Go library for generating Scalable Vector Graphics (SVG) directly from code, covering shapes, paths, gradients, filters, and animation.
CairoSVG
Renders SVG documents to PDF, PNG, PostScript, and EPS using Cairo, with a small Python API and command-line tool.
pypdfium2
ABI-level Python bindings to PDFium for fast, liberal-licensed PDF rendering and manipulation.
Piexif
A pure-Python library for reading, writing, inserting, and removing EXIF metadata in JPEG and WebP images.
OCRmyPDF
Adds a searchable OCR text layer to scanned PDFs and images, producing validated PDF/A output by default.
jQuery File Upload
A jQuery widget for multiple file uploads with drag-and-drop, progress bars, chunked/resumable transfers, and image previews across any server-side platform.
aiortc
A pure-Python implementation of WebRTC and ORTC built on asyncio, for real-time audio, video, and data channel communication.
pyttsx3
Offline text-to-speech synthesis library for Python across Windows, macOS, and Linux
tika-python
Python binding to the Apache Tika REST server for extracting text and metadata from documents
psd-tools
A Python library for reading, editing, and compositing Adobe Photoshop PSD/PSB files
