Showing 7146 open source projects for "c# source code"

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  • 1
    QuickViewer

    QuickViewer

    A image/comic viewer application for Windows, Mac and Linux

    QuickViewer is a fast and lightweight image viewer designed to handle large image collections and archive formats with blazing performance. Built using C++ and Qt, QuickViewer is optimized for viewing manga, comics, and large photo folders with instant loading and minimal lag. It includes a streamlined interface, hardware-accelerated rendering, and features tailored for browsing through image series efficiently. With support for compressed formats like ZIP and RAR, QuickViewer is especially...
    Downloads: 33 This Week
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  • 2
    Pencil2D Animation

    Pencil2D Animation

    Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations

    An easy, intuitive tool to make 2D hand-drawn animations. Lightweight and easy to use so you can focus on animating and not on what button to hit next. Seamlessly switch between raster and vector workflows, allowing you to sketch, ink & paint on the go. Pencil2D is cross-platform and runs on Windows, macOS, Linux & FreeBSD. Pencil2D is completely open source and free to use, even commercially.
    Downloads: 37 This Week
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  • 3
    ESP8266Audio

    ESP8266Audio

    Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3

    Arduino library for parsing and decoding MOD, WAV, MP3, FLAC, MIDI, AAC, and RTTL files and playing them on an I2S DAC or even using a software-simulated delta-sigma DAC with dynamic 32x-128x oversampling. ESP8266 is fully supported and most mature, but ESP32 is also mostly there with built-in DAC as well as external ones. For real-time, autonomous speech synthesis, check out ESP8266SAM, a library that uses this one and a port of an ancient format-based synthesis program to allow your...
    Downloads: 3 This Week
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  • 4
    Spectacle

    Spectacle

    A ReactJS based Presentation Library

    Spectacle is an open source presentation library based on React.js. It lets you create sleek presentations using JSX syntax, giving you the ability to live demo your code. Spectacle’s presentations are lively and interactive, with clickable elements, themes, custom backgrounds, animations, and many other fun and unique elements you can add to make your presentations pop.
    Downloads: 0 This Week
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  • 5
    mpv.net for Windows

    mpv.net for Windows

    mpv.net is a media player for Windows with a modern GUI

    mpv.net is a media player for Windows with a modern GUI. The player is based on the popular mpv media player. mpv.net is designed to be mpv compatible, and almost all mpv features are available, this means the official mpv manual applies to mpv.net, differences are documented in the mpv.net manual.
    Downloads: 32 This Week
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  • 6
    MoviePy

    MoviePy

    Video editing with Python

    MoviePy is a Python module for video editing, which can be used for basic operations (like cuts, concatenations, title insertions), video compositing (a.k.a. non-linear editing), video processing, or to create advanced effects. It can read and write the most common video formats, including GIF. MoviePy is an open source software originally written by Zulko and released under the MIT licence. It works on Windows, Mac, and Linux, with Python 2 or Python 3. The code is hosted on Github, where you can push improvements, report bugs and ask for help. There is also a MoviePy forum on Reddit and a mailing list on librelist. MoviePy depends on the Python modules NumPy, Imageio, Decorator, and Proglog, which will be automatically installed during MoviePy's installation. ...
    Downloads: 36 This Week
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  • 7
    BBDown

    BBDown

    Bilibili Downloader

    BBDown is a free, efficient command‑line downloader and parser for content from Bilibili (Chinese video platform). It supports fetching videos via URLs or content IDs (e.g., av, BV, ep, ss), can be installed as a global .NET tool, and is actively maintained with automated builds and releases. This project is for personal study, research and non-commercial use only. When using this tool, users themselves ensure compliance with relevant laws and regulations, in particular legal provisions...
    Downloads: 46 This Week
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  • 8
    Text-to-lottie

    Text-to-lottie

    Generate production-ready Lottie animations with Claude Code or Codex

    lottie is an open-source framework for generating production-ready Lottie animations with coding agents such as Claude Code or Codex. It provides a text-to-lottie skill that helps an agent create animation projects from prompts, SVGs, screenshots, real data, or motion design instructions. Each generated animation lives as a scene inside a project and updates inside the included player as the agent edits the Lottie JSON.
    Downloads: 3 This Week
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  • 9
    Flameshot

    Flameshot

    Powerful yet simple to use screenshot software 🖥️ 📸

    Flameshot is a powerful yet simple-to-use open-source screenshot software designed for efficiency and flexibility. It is a free and open-source, cross-platform tool that helps users capture screenshots with ease. Licensed under GPL v3, Flameshot provides a wide range of built-in features that save time during screen capturing and editing. The software offers a clean, straightforward interface that makes taking and annotating screenshots quick and intuitive. Users can customize the...
    Downloads: 40 This Week
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  • 10
    Clementine

    Clementine

    Modern music player and library organizer

    Clementine is a multi-platform music player and library organizer inspired by Amarok 1.4. It has a fast and easy-to-use interface, and allows you to search and play music from your local library, internet radio, songs you’ve uploaded to cloud storage, and more! Use this as an open source alternative to itunes or spotify.
    Downloads: 54 This Week
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  • 11
    html-video

    html-video

    Programmatic video for coding agents — HTML to video on your laptop

    html-video is part of the nexu-io agent-native design ecosystem for creating motion graphics and video from web technologies. It is connected to a workflow where agents write HTML, CSS, and animation code that can be rendered into deterministic video output. The project is useful for creators and developers who want programmable video generation instead of editing everything manually in a timeline. It fits naturally with local AI coding agents, since the visual output is represented as code...
    Downloads: 1 This Week
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  • 12
    Membrane Core

    Membrane Core

    The core of Membrane Framework, multimedia processing framework

    membrane_core is the foundation of the Membrane multimedia framework for Elixir, providing the abstractions and runtime needed to build real-time audio and video pipelines. It models media processing as a graph of lightweight, supervised OTP processes—elements connected by links—so work is isolated, fault-tolerant, and easy to scale or reconfigure at runtime. The core defines a clear lifecycle and callback API for elements, plus concepts like buffers, events, and capabilities/format...
    Downloads: 7 This Week
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  • 13
    video-use

    video-use

    Edit videos with Claude Code

    Video Use is an open-source AI-powered video editing tool that allows users to transform raw footage into polished videos using natural language commands. Designed to work with Claude Code, it automates the entire editing process—from cutting clips to rendering the final output—without requiring manual timelines or complex software interfaces. The system intelligently analyzes audio transcripts and visual cues to make precise, context-aware editing decisions.
    Downloads: 12 This Week
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  • 14
    FluidSynth

    FluidSynth

    Software synthesizer based on the SoundFont 2 specifications

    FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has reached widespread distribution. FluidSynth itself does not have a graphical user interface, but due to its powerful API several applications utilize it and it has even found its way onto embedded systems and is used in some mobile apps.
    Downloads: 27 This Week
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  • 15
    SuperCollider

    SuperCollider

    Audio server, programming language, and IDE for sound synthesis

    ...You can write your own UGens in C++, and users have already contributed several hundred more to the sc3-plugins repository. sclang, an interpreted programming language. It is focused on sound, but not limited to any specific domain. sclang controls scsynth via Open Sound Control. You can use it for algorithmic composition and sequencing, finding new sound synthesis methods, connecting your app to external hardware.
    Downloads: 0 This Week
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  • 16
    SeedVR2 Upscaler ComfyUI

    SeedVR2 Upscaler ComfyUI

    Official SeedVR2 Video Upscaler for ComfyUI

    ComfyUI-SeedVR2 Video Upscaler is an open-source integration node for the ComfyUI workflow environment that brings the advanced SeedVR2 video upscaling and restoration model directly into visual AI pipelines. This project packages the SeedVR2 architecture as a custom node for ComfyUI, letting users upscale low-resolution video or imagery inside a node-based interface without needing to write code manually.
    Downloads: 21 This Week
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  • 17
    OpenVR SDK

    OpenVR SDK

    API and runtime that allows access to VR hardware

    OpenVR is an API and runtime that allows access to VR hardware from multiple vendors without requiring that applications have specific knowledge of the hardware they are targeting. This repository is an SDK that contains the API and samples. The runtime is under SteamVR in Tools on Steam. The OpenVR API provides a game with a way to interact with Virtual Reality displays without relying on a specific hardware vendor's SDK. It can be updated independently of the game to add support for new...
    Downloads: 23 This Week
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  • 18
    OpenToonz

    OpenToonz

    An open-source full-featured 2D animation creation software

    OpenToonz is an open-source 2D animation production application published by DWANGO and based on the Toonz software customized by Studio Ghibli. It is designed for full animation workflows, including drawing, scanning, cleanup, coloring, compositing, effects, and final output. The project is especially notable because it connects professional animation heritage with an open-source development model. Artists can use it for traditional frame-by-frame animation, digital production pipelines,...
    Downloads: 18 This Week
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  • 19
    PersonaPlex

    PersonaPlex

    PersonaPlex code

    PersonaPlex is an open-source real-time conversational speech AI model that goes beyond traditional text chat by providing full-duplex speech-to-speech interaction, meaning it can listen and talk at the same time instead of waiting for you to finish speaking before responding. This architectural approach eliminates awkward pauses and makes conversations feel much more human-like, with natural behaviors such as overlapping speech, interruptions, and fluent turn-taking, traits that traditional...
    Downloads: 2 This Week
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  • 20
    RSS Guard

    RSS Guard

    Feed reader (and podcast player) which supports RSS/ATOM/JSON

    RSS Guard is a simple RSS/ATOM feed reader for Windows, Linux, BSD, OS/2 or macOS which can work with RSS/ATOM/JSON/iCalendar/Sitemap feeds as well as many online feed services. RSS Guard is also a podcast player as it can play everything via its built-in mpv-based (or ffmpeg-based) media player.
    Downloads: 23 This Week
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  • 21
    Contour

    Contour

    Modern C++ Terminal Emulator

    contour is a modern and actually fast, modal, virtual terminal emulator, for everyday use. It is aimed at power users with a modern feature mindset. Available on all 4 major platforms, Linux, OS/X, FreeBSD, Windows. GPU-accelerated rendering. Font ligatures support (such as in Fira Code). Unicode: Emoji support (-: 🌈 💝 😛 👪 - including ZWJ, VS15, VS16 emoji :-) Unicode: Grapheme cluster support. Bold and italic fonts. High-DPI support. Vertical Line Markers (quickly jump to markers in your...
    Downloads: 0 This Week
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  • 22
    Blur

    Blur

    Add motion blur to videos

    Blur is a command-line tool designed to simplify video processing workflows focused on blurring and censoring sensitive regions within video content. It provides a streamlined interface for applying blur effects to specific areas, often using FFmpeg as the underlying processing engine. The tool enables automation of repetitive editing tasks such as anonymizing faces, text, or objects in video frames. It supports configurable parameters that control blur intensity, region selection, and...
    Downloads: 22 This Week
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  • 23
    tilemaker

    tilemaker

    Make OpenStreetMap vector tiles without the stack

    Create the vector tiles on your home machine or using a cloud CPU. Upload the file to your site or app. And that's it. No database to maintain; no contract to pay; and no restriction on commercial use. tilemaker is a single executable that takes OpenStreetMap data and makes it into vector tiles. It's supremely customizable, but if you just want off-the-shelf tiles in a standard style, tilemaker comes bundled with the files to do that too. With tilemaker, you can pull out any facet of...
    Downloads: 19 This Week
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  • 24
    Grabber

    Grabber

    Very customizable imageboard/booru downloader with powerful filenaming

    Very customizable imageboard/booru browser and mass downloader, with powerful file naming features. Thanks to its powerful naming features, you just have to set your filename and save the directory using all the tokens available, and the program will generate a filename using the image's information. With this, you can store and manage your pictures in advanced directory structures, and save images with custom filenames. Imageboard/booru downloader which can download thousands of images from...
    Downloads: 21 This Week
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  • 25
    Colorpicker

    Colorpicker

    A mininal but complete colorpicker desktop app

    Colorpicker is a desktop tool with Electron to get and save colors code quickly for OSX, Windows and Linux! With Pin, you can bring Colorpicker to the foreground. This makes it convenient to work quickly with different applications at the same time. The Picker allows you to quickly retrieve a color anywhere on the screen. Whether it's on your browser, Photoshop, or whatever. Colorsbook is a full-fledged application. It allows you to store your colors, categorize them, and easily retrieve...
    Downloads: 15 This Week
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