Open-source alternatives to Lector

Paintroid

Paintroid, also known as Pocket Paint, is associated to Catroid. It is a graphical paint editor application for the Android platform that, among others, allows setting parts of pictures to transparent.

A modern, web-based photo management server. Run it on your home server and it will let you find the right photo from your collection on any device. Smart filtering is made possible by object recognition, face recognition, location awareness, color analysis and other ML algorithms.

python app to turn a photograph into a cartoon

macSVG - An open-source macOS app for designing HTML5 SVG (Scalable Vector Graphics) art and animation with a WebKit web view ➤➤➤

OctoPrint is a web-based control panel and Python-based hardware server for managing 3D printers. It functions as a G-code remote controller that sends commands to printer firmware over a persistent USB serial connection, allowing users to operate hardware and monitor print jobs through a browser. The project is an extensible hardware management platform that utilizes a plugin-based system. This architecture enables the addition of third-party functionality and custom extensions to modify core behavior and expand the system's remote control capabilities. The platform covers remote printer ma

FreeCAD is an open-source engineering design suite designed for parametric 3D modeling, architectural planning, and mechanical assembly. It functions as a professional-grade platform that utilizes history-based operations to allow for non-destructive design updates, enabling users to construct complex geometry through a sequence of constrained sketches and solid operations. The platform distinguishes itself through a highly modular, workbench-based architecture that allows users to tailor the interface and toolsets to specific engineering domains. It features deep Python integration, which se

Gaphor is the simple modeling tool

Converter px -> vh, vw

A Paint app, targeting Desktop, built proudly with Flutter 💙. You are welcome to contribute and make features requests or file Issues.

A minimalist comic reader

MyPaint is a simple drawing and painting program that works well with Wacom-style graphics tablets.

napari: a fast, interactive, multi-dimensional image viewer for python

🏇 Gif capture app for macOS

Viewer for NFO files

A vector graphics drawing app for Android.

Dynamic image server for web and print

🧑‍🎨 Mobile app for drawing 2D animations

sK1 2.0 cross-platform vector graphics editor

Thumbor is a dynamic image processing service and proxy server that resizes, crops, and filters images on demand via URL parameters. It functions as a URL-based image manipulator that generates specific image versions from source assets to optimize web delivery. The system includes a smart cropping engine that uses facial feature detection and computer vision to automatically center thumbnails on the most relevant visual content. To prevent unauthorized parameter tampering and malicious requests, it employs signature-based request validation and domain-based source whitelisting. Broad capabi

Python-based tools for document analysis and OCR

Tux Paint-Android This is Tux Paint on Android.

DrawBot is a powerful, free application for macOS that invites you to write Python scripts to generate two-dimensional graphics. The built-in graphics primitives support rectangles, ovals, (bezier) paths, polygons, text objects, colors, transparency and much more. You can program multi-page…