Showing 1092 open source projects for "free"

View related business solutions
  • Earn up to 16% annual interest with Nexo. Icon
    Earn up to 16% annual interest with Nexo.

    Access competitive interest rates on your digital assets.

    Generate interest, borrow against your crypto, and trade a range of cryptocurrencies — all in one platform. Geographic restrictions, eligibility, and terms apply.
    Get started with Nexo.
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 1
    SweptPC

    SweptPC

    SweptPC — Free Portable Windows PC Cleaner

    ...Extract the ZIP 2. Run SweptPC.exe 3. Hit Scan to preview space used 4. Hit Clean Selected to free it No installer. No registry writes. Just run and clean. ―――――――――――――――――――――― NOTES ―――――――――――――――――――――― - Run as Administrator to unlock all categories - Companion app to PulseMonitor - Built with Python & PyQt6 Free forever · by VaultSoft
    Downloads: 15 This Week
    Last Update:
    See Project
  • 2
    Seamly2D

    Seamly2D

    Free and open source pattern design software

    Seamly2D enables the design, reuse, and remix of digital sewing patterns for creating bespoke-fit, specialty-sized, and ready-to-wear-sized clothing. Users have the right to utilize, sell, share, and distribute their patterns in any way they choose. * Downloads: https://seamly.io * Support: https://forum.seamly.io * Code: https://github.com/fashionfreedom/seamly2d * License: GPLv3+
    Leader badge
    Downloads: 755 This Week
    Last Update:
    See Project
  • 3
    YT Music Downloader

    YT Music Downloader

    A free and open-source tool to download YouTube videos or playlists as

    YT Music Downloader is a free and open-source Python application that allows users to download YouTube videos or full playlists and automatically convert them into high-quality MP3 files. It features a clean and beginner-friendly GUI, works offline, and is packaged with an installer for Windows. Built using pytubefix, moviepy, FFmpeg, and Tkinter.
    Downloads: 87 This Week
    Last Update:
    See Project
  • 4
    Formatix Image Converter
    Formatix Image Converter is a free batch image converter and resizer for Windows. Supports HEIC, AVIF, WebP, SVG, JPEG, PNG, BMP, TIFF, GIF and ICO. Works 100% offline — no uploads, no internet required, no file limits, no ads. Key Features: - Batch conversion — hundreds of images in one operation - Multi-threaded processing for fast performance - 5 resize modes including smart crop - Adjustable quality (JPEG, WebP, AVIF, HEIC) - Drag & Drop support - 6 interface languages: English, Русский, Українська, Deutsch, Suomi, 中文 - Light / Dark theme - Built-in side-by-side image comparison - No installation needed — just run the .exe Input Formats: JPEG, PNG, WebP, AVIF, HEIC/HEIF, SVG, BMP, TIFF, GIF, ICO Output Formats: AVIF, WebP, JPEG, HEIC, PNG, BMP, TIFF, ICO
    Leader badge
    Downloads: 126 This Week
    Last Update:
    See Project
  • Demo Series - Small Business Backup By Veeam Icon
    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

    Watch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
    Watch Demo Series
  • 5

    ritaos

    RitaOS is a free and open-source software collection featuring offline

    RitaOS is an open-source project providing free software for education, healthcare, multimedia and communication. Current projects include: • RitaOS MediaConverter • RitaOS Visual Voice • RitaOS BridgeCopy • RitaOS Care Communicator • RitaWiki • RitaOS Toolkit Website: https://ritaos.de All software is provided free of charge. Use at your own risk.
    Downloads: 19 This Week
    Last Update:
    See Project
  • 6
    Easy Background Remover

    Easy Background Remover

    Free offline background remover for Windows - one click, no watermark

    ...The cutout pipeline mirrors the default u2net path of the well-known rembg library, so the quality matches what you would get from popular online background removers - without giving up your photos, paying for full resolution, or watching ads. The installer is tiny, has no telemetry, places a single desktop shortcut and removes itself after the first run. Private, free, unlimited, and released as free open source software under the MIT license.
    Leader badge
    Downloads: 22 This Week
    Last Update:
    See Project
  • 7
    discord-raidkit

    discord-raidkit

    An open-source, forever free tool that allows you to raid and destroy

    Discord Raidkit is an open-source, forever free tool that allows you to raid and destroy Discord servers via Discord bots, as well as compromise Discord accounts. An open-source, forever free tool that allows you to raid and destroy Discord servers via Discord bots, compromise Discord accounts, and generate Discord token grabbers.
    Leader badge
    Downloads: 72 This Week
    Last Update:
    See Project
  • 8
    OtoKeyboard - auto keyboard & macro

    OtoKeyboard - auto keyboard & macro

    OtoKeyboard: Stop typing manually. Get your free auto keyboard for Win

    ...With seamless system tray integration, automatic updates, and a multi-language (EN/TR) interface, OtoKeyboard is ready to be a core part of your workflow. Download today to revolutionize your daily tasks and enjoy all powerful features completely for free.
    Leader badge
    Downloads: 471 This Week
    Last Update:
    See Project
  • 9
    Avogadro

    Avogadro

    An intuitive molecular editor and visualization tool

    Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science and related areas. It offers a flexible rendering framework and a powerful plugin architecture.
    Leader badge
    Downloads: 979 This Week
    Last Update:
    See Project
  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
    Get Free Download
  • 10
    Slim Camera

    Slim Camera

    Slim Camera - Lightweight RTSP Video Player

    ...Optimized for low resource use, it runs reliably even on older hardware - ideal for background monitoring. Portable, single-file settings and a focus on core functionality make Slim Camera simple, no-fuss video streaming. Support its free, open-source development at https://boosty.to/slim-camera/donate to help keep it ad-free and growing!
    Downloads: 59 This Week
    Last Update:
    See Project
  • 11
    AutoKeyboard V4

    AutoKeyboard V4

    AutoKeyboard (Keyboard Autoclicker)

    Free and opensource keyboard autoclicker with adjustable delay between keys.
    Downloads: 46 This Week
    Last Update:
    See Project
  • 12
    PySchool

    PySchool

    Installable / Portable Python Distribution for Everyone.

    PySchool is a free and open-source Python distribution intended primarily for students who learn Python and data analysis, but it can also used by scientists, engineering, and data scientists. It includes more than 150 Python packages (full edition) including numpy, pandas, scipy, sympy, keras, scikit-learn, matplotlib, seaborn, beautifulsoup4...
    Leader badge
    Downloads: 900 This Week
    Last Update:
    See Project
  • 13
    Tartube

    Tartube

    Download videos/channels/playlists from YouTube and many other sites

    Tartube is a GUI front-end for youtube-dl, yt-dlp and other compatible video downloaders. It is written in Python 3 / Gtk 3 and runs on MS Windows, Linux, BSD and MacOS.
    Leader badge
    Downloads: 628 This Week
    Last Update:
    See Project
  • 14
    Python-Spider

    Python-Spider

    Python3 web crawler practice

    ...For people wanting to get hands-on with building scrapers, collecting data, or learning how to navigate web programming in Python, this repository acts as a didactic reference or starting point. Because it’s published publicly under an open license, users are free to fork and adapt the code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    FreeOrion

    FreeOrion

    4X Space Strategy Game

    FreeOrion is a free and open source community-developed 4X turn-based galactic empire strategy game.
    Leader badge
    Downloads: 114 This Week
    Last Update:
    See Project
  • 16

    EconViewer

    Free, ad-free image viewer with PDF & PSD support. Made in S.Korea

    EconViewer is a free, ad-free image viewer developed by ECONTECH, South Korea. Supports JPG, PNG, BMP, GIF, WEBP, TIFF, ICO, PDF, and PSD (Photoshop) files. 100% clean install — no bundled software, no adware. Zero personal data collection. Available in 10 languages: Korean, English, Chinese (Simplified), Chinese (Traditional), French, German, Spanish, Portuguese (Brazilian), Russian, Hindi.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 17
    Task Coach

    Task Coach

    Free flexible open source todo manager featuring hierarchical tasks

    Task Coach - Your friendly task manager. Task Coach is a free open source todo manager. It grew out of frustration about other programs not handling composite tasks well. In addition to flexible composite tasks, Task Coach has grown to include prerequisites, prioritizing, effort tracking, category tags, budgets, notes, and many other features. However, users are not forced to use all these features; Task Coach can be as simple or complex as you need it to be.
    Leader badge
    Downloads: 113 This Week
    Last Update:
    See Project
  • 18
    FCS mini

    FCS mini

    FCS mini is the free software for the analysis of Flow cytometry data

    FCS mini is the software for FACS (Flow cytometry) analysis. It works on windows 10, 11. English and Korean languages are supported (each version exists). Just unzip the FCS_mini~.zip and double click the FCS_mini.exe inside the FCS_mini folder. You can find the tutorial video here ( https://youtu.be/iOxnx1OKJr8 for English subtitle, and https://youtu.be/ygQhh2AE2Q4 for Korean subtitle - 한글판 - ). This is freeware ; however, distribution, modification, reverse engineering, and any...
    Downloads: 21 This Week
    Last Update:
    See Project
  • 19
    fojecleno_downloader

    fojecleno_downloader

    Free video downloader, simple, fast, bilingual and ad-free

    fojecleno_downloader is a simple, fast, and completely free Windows application for downloading royalty-free videos from numerous platforms. No ads, no data collection, no complications—just a clear, efficient, and accessible tool for everyone. Main features: - Responsible one-click video downloading - Bilingual interface (French/English) - Automatic pasting from the clipboard - Choice of download folder - Activity log - Light/dark mode - Zoom and smooth scrolling - Collapsible sections - Portable version (no installation required) - Installable version with shortcuts and clean uninstallation - Compatible with Windows 10 and 11
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20

    ERmod

    Approximate solvation free energy calculator

    ERmod (Energy Representation Module) is a program to calculate the solvation free energy based on the energy representation method (J. Chem. Phys. 113, 6070 (2000)). The program allows users to calculate the solvation free energy to arbitrary solvents, including inhomogeneous systems, and can run in cooperation with state-of-art molecular simulation software, such as LAMMPS, GROMACS and/or AMBER.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 21
    Video Object Remover – Frame-Accurate

    Video Object Remover – Frame-Accurate

    🎥 A free & open-source Python tool to remove unwanted objects from videos frame-by-frame using brush masking and AI inpainting (OpenCV + FFmpeg). EXE included.

    Video Object Remover – Frame Accurate Edition is a free and open-source desktop application that helps you remove unwanted objects, logos, or watermarks from videos using brush-based masking and AI inpainting. The tool extracts video frames using FFmpeg, lets you mask objects frame-by-frame, and removes them using OpenCV. Built with Python and Tkinter, it features a modern dark-themed GUI, adjustable brush tool, zoom control, and real-time logging.
    Downloads: 89 This Week
    Last Update:
    See Project
  • 22
    anchorcastapp

    anchorcastapp

    Free AI-powered church presentation & live sermon display app

    AnchorCast is a free, open-source AI-powered church presentation desktop app for Windows and MacOS, built with Electron. Features: - Live Sermon Transcription — real-time speech-to-text via Whisper AI - AI Bible Verse Detection — automatically detects and displays verses from live sermons - Song Manager — display song lyrics on projection - Media Playback — images and video on projection screen - NDI Output — stream projection over local network - Remote Control — control presentation from any phone via Wi-Fi - Timer Display — countdown and service timers - Presentation Editor — create and manage slide decks - Theme Manager — customize projection appearance - Sermon Intelligence & Analytics Free for all churches. ...
    Downloads: 16 This Week
    Last Update:
    See Project
  • 23
    GIF-Overlay

    GIF-Overlay

    Pure Floating GIF & Image Viewer

    Visit Website: https://duyxyz.github.io/GIF-Overlay/ GIF Overlay is a minimalist and high-performance Windows application designed for viewing GIFs and images with a unique floating experience. Whether you need a reference image for drawing, a desktop decoration, or a lightweight GIF player, GIF Overlay provides a borderless, premium interface that stays exactly where you need it.
    Downloads: 117 This Week
    Last Update:
    See Project
  • 24
    The Timeline Project

    The Timeline Project

    Cross-platform app for displaying and navigating events on a timeline.

    The Timeline Project aims to create a free, cross-platform application for displaying and navigating events on a timeline.
    Leader badge
    Downloads: 96 This Week
    Last Update:
    See Project
  • 25

    Openstax Books Translator

    Translator ai for Openstax books only

    This translator written by python language. Openstax books is Free and open source: https://github.com/openstax
    Downloads: 2 This Week
    Last Update:
    See Project