Showing 384 open source projects for "canvas"

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  • 1
    Blurhash

    Blurhash

    Library to show colorful blurry placeholders while your content loads

    A library to show colorful blurry placeholders while your content loads. Does your designer cry every time you load their beautifully designed screen, and it is full of empty boxes because all the images have not loaded yet? Does your database engineer cry when you want to solve this by trying to cram little thumbnail images into your data to show as placeholders? Replace boring grey boxes with beautiful blurhash states and the designers will be happy. Blurhash strings are short enough to be...
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  • 2
    Otter-Grader

    Otter-Grader

    A Python and R autograding solution

    ...Otter supports local grading through parallel Docker containers, grading using the autograder platforms of 3rd party learning management systems (LMSs), the deployment of an Otter-managed grading virtual machine, and a client package that allows students to run public checks on their own machines. Otter is designed to grade Python scripts and Jupyter Notebooks, and is compatible with a few different LMSs, including Canvas and Gradescope.
    Downloads: 0 This Week
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  • 3
    canvas-constructor

    canvas-constructor

    An ES6 utility for canvas with built-in functions and chained methods

    An ES6 utility for canvas with built-in functions and chained methods. Alternatively, you can import canvas-constructor/browser. That will create a canvas with size of 300 pixels width, 300 pixels height. Set the color to #AEFD54. Draw a rectangle with the previous color, covering all the pixels from (5, 5) to (290 + 5, 290 + 5) Set the color to #FFAE23.
    Downloads: 0 This Week
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  • 4
    CodeJo

    CodeJo

    Web-based introductory coding environment

    CodeJo is a web app that allows users to write Python code to control a web canvas element (a pixel grid) or another graphical display element. At this time there are four display canvases available: grid (web canvas) fabric (a library that also uses a web canvas) web (also web canvas) and doc (html). New modules can be added by creating a translation layer.
    Downloads: 0 This Week
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  • 5
    CD
    CD (Canvas Draw) is a platform-independent graphics library. It is implemented in several platforms using native graphics libraries: Windows (GDI) and X-Windows (XLIB). The canvas is an abstract surface that can be a window, an image or a metafile.
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    Downloads: 79 This Week
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  • 6

    BezierLab

    Interactive Windows app for creating and visualizing Bézier curves.

    BézierLab is a Windows desktop application for creating and visualizing Bézier curves of different degrees. Users can add, move, edit, and remove control points directly on an interactive canvas, inspect calculated curve points for selected parameter values, and export the resulting graph as a PNG image. The application is distributed as a standalone executable, so normal users do not need to install Python.
    Downloads: 1 This Week
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  • 7
    Canvas-Connect Canvas-Connect is an alternative mobile application for Canvas LMS designed to work seamlessly for university students. This application provides a streamlined and user-friendly interface for managing courses, assignments, grades,sending messages, viewing-cum-downloading files and more. Features Course Management: Easily access and manage all your courses.
    Downloads: 0 This Week
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  • 8
    Minsky

    Minsky

    System dynamics program with additional features for economics

    Minsky brings system dynamics and monetary modelling to economics. Models are defined using flowcharts on a drawing canvas (as are Matlab's Simulink, Vensim, Stella, etc). Minsky's unique feature is the "Godley Table", which uses double entry bookkeeping to generate stock-flow consistent models of financial flows. Minsky is good for demonstrating mathematics too, with the most "math-like" interface in system dynamics. Sign up to Minsky's Patreon page (for as little as $1 a month) at https://www.patreon.com/Ravelation/. ...
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    Downloads: 74 This Week
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  • 9
    jCanvas

    jCanvas

    A jQuery plugin that makes the HTML5 canvas easy to work with

    jCanvas is a jQuery plugin that makes the HTML5 canvas easy to work with. jCanvas is a JavaScript library, written using jQuery and for jQuery, that wraps around the HTML5 canvas API, adding new features and capabilities, many of which are customizable. Capabilities include layers, events, drag-and-drop, animation, and much more. The result is a flexible API wrapped up in a sugary, jQuery-esque syntax that brings power and ease to the HTML5 canvas.
    Downloads: 0 This Week
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  • 10
    Tux Paint

    Tux Paint

    An award-winning drawing program for children of all ages

    ...It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. You're presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). ...
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    Downloads: 22,708 This Week
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  • 11
    ideon

    ideon

    The Visual Hub for Your Projects: Centralize context on one canvas.

    Ideon is a self-hosted visual workspace where everything related to a project lives on a single canvas. Most projects fail not because of poor execution, but because context disappears—code lives in repositories, designs in specialized tools, and decisions in fragmented chat threads. Ideon reduces the cognitive cost of switching between these by making their relationships explicit on a spatial map. Core Features: - Live Blocks : Embed GitHub repositories, notes, links, and files side-by-side...
    Downloads: 0 This Week
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  • 12
    duckle

    duckle

    Local-first ETL/ELT studio: a drag-and-drop visual pipeline designer

    Duckle is an open-source desktop ETL / ELT studio. Drag a pipeline onto the canvas, describe what you need in plain English to Duckie (the on-device AI assistant), and execute at native speed through DuckDB. 290+ connectors, 50+ transforms, a built-in scheduler, and a chat assistant that runs entirely on your CPU. Ships as a ~65 MB single-file desktop app. No cloud, no servers, no lock-in.
    Downloads: 0 This Week
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  • 13
    LombokCharts

    LombokCharts

    Canvas and SVG renderers, LTTB decimation,real-time streaming layer

    LombokCharts A zero-dependency charting library for the browser. It pairs a small grammar-of-graphics core (Data → Scale → Mark) with pluggable Canvas and SVG renderers, LTTB decimation, and a real-time streaming layer — so the same API draws a five-point bar chart or a five-million-point line without changing shape.
    Downloads: 0 This Week
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  • 14
    mkdocs-void

    mkdocs-void

    Void is a new design language for MkDocs themes: a drop-in theme (name

    Void is a custom MkDocs theme that blends the translucent, layered aesthetics of Glass design system with the minimal, industrial clarity of NothingOS. It combines pure black canvas, glass morphism panels, dot-matrix typography, and Nothing Red accents into a cohesive documentation experience.
    Downloads: 0 This Week
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  • 15
    Kage Studio Animation Software

    Kage Studio Animation Software

    A simple multi-platfom 2D Animation Software for all ages!

    ...Written with GTKmm 3.0, Kage Studio has a clean User Interface. Truly an Animation Software, not an airplane cockpit. Kage Studio can export animation to HTML5 (canvas), PNG sequence, Spritesheet, SVG, video (MP4, MKV, OGV, AVI, MOV), and KonsolScript.
    Downloads: 39 This Week
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  • 16

    Farm Layout Sketchpad

    Free grid sketchpad for farm layouts, with PNG export

    A dependency-free canvas editor for rough farm layouts. Paint terrain, place rectangular footprints, undo changes, save in local browser storage, share a layout link, and download a PNG. Download and unzip the package, then open index.html in a browser. The README explains local hosting and share-link limitations. This is a sketchpad, not a save editor.
    Downloads: 0 This Week
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  • 17
    Jmol

    Jmol

    An interactive viewer for three-dimensional chemical structures.

    Over 1,000,000 page views per month. Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other...
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    Downloads: 903 This Week
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  • 18
    Neiki's Charts

    Neiki's Charts

    Lightweight SVG chart Web Component

    ...Charts are fully responsive, support light and dark themes with automatic prefers-color-scheme detection, and expose a simple JS API for data and options. Tooltips, legends, animations, and grid lines are all controlled through standard HTML attributes. All rendering is pure SVG — no Canvas — making charts scalable, printable, and inspectable in DevTools. Accessibility is built in with proper ARIA roles, keyboard-navigable legends, and full prefers-reduced-motion support.
    Downloads: 0 This Week
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  • 19
    fork

    fork

    Developer Workspace

    Fork is a modern developer workspace that combines the power of a code editor, knowledge base, and command center into one seamless experience. Built for developers who switch between coding, notes, documentation, and project management constantly.
    Downloads: 8 This Week
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  • 20
    Reverse Image Search Anywhere

    Reverse Image Search Anywhere

    4-engine reverse image search that works on Instagram & Pinterest

    ...Most reverse-image tools work by handing a search engine the image's URL. That breaks the moment a site hides it. Instagram and Pinterest do, and so does anything drawn to a canvas or served as a blob: or data: URL. They also make you check one engine at a time, which is the slow half of the job. This extension fixes both halves. Right-click any image and search Google Lens, Yandex, Bing Visual and TinEye, one engine or all of them at once. It also handles clipboard paste, region capture, and a face-search-first flow for finding people. ...
    Downloads: 0 This Week
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  • 21
    QuForge-Industrial-Studio

    QuForge-Industrial-Studio

    Professional 10-qubit Quantum EDA platform for hardware-aware circuit

    QuForge Industrial Studio is a comprehensive Quantum Electronic Design Automation (EDA) suite designed to bridge the gap between theoretical quantum algorithms and physical hardware constraints. While most simulators focus on pure mathematical states, QuForge introduces Hardware-Aware Design, allowing users to simulate their logic on a virtual 10-qubit processor ring.The tool provides a high-fidelity environment where users can account for real-world physical limitations such as $T_1$...
    Downloads: 0 This Week
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  • 22
    sopho

    sopho

    Open Source Business Intelligence

    ...You no longer have to move between different SQL queries, charts, and dashboards open in different browser tabs to explore data and to create your dashboards. Sopho simplifies this by putting everything in one place using a new abstraction called Canvas, preventing the loss of context and the endless switching. Shortcuts are a first-class citizen in the roadmap of Sopho. Currently, Sopho supports shortcuts for global search (Cmd+K), creation of various assets, and for editing cells in the notebook. Shortcuts are integrated wherever possible to save precious time. Sopho uses Rust for the backend, React + Vite for the frontend, and PostgreSQL for data storage.
    Downloads: 0 This Week
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  • 23
    matgts

    matgts

    programs for geotechnical engineering and mathematics

    ...mtfem - finite element analysis, 2D, plane strain state (C, SDL), GNU/Linux and Wind0ws executables present; mtpile - analysis of a laterally loaded pile (C, SDL); mtslope - slope stability and displacement analysis using limit equilibrium (C,SDL); jswall - analysis of a diaphragm wall (JavaScript); jsmath - mathematics: polynomial equations, linear systems of equations, eigenvalues, matrix multiplication, matrix inversion (JavaScript); mtwall - obsolete program for analysing a diaphragm wall (C, SDL). Some Javascript programs require at least Firefox 3 or 4, because of <canvas> and "use strict".
    Downloads: 0 This Week
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  • 24
    Social Network Visualizer

    Social Network Visualizer

    Social Network Analysis and Visualization software

    Visit our new site: http://socnetv.org Social Network Visualizer (SocNetV) is a social network analysis and visualization application. You can draw a social network (graph/digraph) or load an existing one (GraphML, UCINET, Pajek, etc), compute cohesion, centrality, community and structural equivalence metrics and apply various layout algorithms based on actor centrality or prestige scores (i.e. Eigenvector, Betweenness) or on dynamic models (i.e. Kamada-Kawai spring-embedder)
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    Downloads: 7 This Week
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  • 25

    Tableau

    A lightweight macOS photo widget that never crops your images.

    Tableau is a lightweight, open-source macOS utility designed to place photos on your desktop without destroying their framing. While Apple's native widgets force your photos into rigid squares or rectangles that crop out your subjects, Tableau preserves the exact aspect ratio of your image. A tall portrait or an ultra-wide panorama will scale perfectly without losing a single pixel. Tableau frees you from Apple's invisible grid, letting you place photos anywhere on your screen. You can...
    Downloads: 1 This Week
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