Browse free open source Presentation software and projects below. Use the toggles on the left to filter open source Presentation software by OS, license, language, programming language, and project status.

  • Compliant and Reliable File Transfers Backed by Top Security Certifications Icon
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    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

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  • 1
    DxWnd

    DxWnd

    Window hooker to run fullscreen programs in window and much more...

    Windows hooker - intercepts system calls to make Win32 programs run in a window, to enhance application compatibility, to enhance video modes, to stretch timing and emulate CD disk data and audio tracks. It is typically very useful to run old Windows games.
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    Downloads: 4,994 This Week
    Last Update:
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  • 2
    CiteSpace

    CiteSpace

    A widely used tool for visual exploration of scientific literature.

    Visit the new site: https://citespace.podia.com CiteSpace generates interactive visualizations of structural and temporal patterns and trends of a scientific field. It facilitates a systematic review of a knowledge domain through an in-depth visual analytic process. It can process citation data from popular sources such as the Web of Science, Scopus, Dimensions, and the Lens. CiteSpace also supports basic visual analytic functions for datasets without citation-related information, for example, PubMed, CNKI, ProQuest Dissertations and Theses. CiteSpace reveals how a field of research has evolved, what intellectual turning points are evident along a critical path, and what topics have attracted attention. CiteSpace can be applied repeatedly so as to track the development of a field closely and extensively. The e-book How to Use CiteSpace explains the design principles and functions along with illustrative examples in more detail: https://leanpub.com/howtousecitespace
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    Downloads: 5,527 This Week
    Last Update:
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  • 3
    OpenSong

    OpenSong

    Lyric projection and chord charts for church musicians

    OpenSong is a free software application for managing chords and lyrics sheets (lead sheets), presenting lyrics (and custom slides) using a projector, and much more! Great for worship leaders and musicians!
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    Downloads: 517 This Week
    Last Update:
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  • 4
    Mermaid

    Mermaid

    Diagram and flowchart generation from text similar to markdown

    Mermaid is a JavaScript-based diagram and flowchart generating tool that uses markdown-inspired text for fast and easy generation of diagrams and charts. Forget about using heavy tools to explain your code. Mermaid greatly simplifies documentation with its simple markdown-like script language, and offers a great range of diagram and chart options. The latest version of Mermaid comes with a number of bug fixes and enhancements, as well as a new diagram type, entity relationship diagrams. Its range of available diagrams include flowcharts, sequence diagrams, gantt diagrams and more, with new ones continuously being developed.
    Downloads: 103 This Week
    Last Update:
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    Atera - an All-in-one platform for IT management

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  • 5
    JFreeChart
    JFreeChart is a free (LGPL) chart library for the Java(tm) platform. It supports bar charts, pie charts, line charts, time series charts, scatter plots, histograms, simple Gantt charts, Pareto charts, bubble plots, dials, thermometers and more. *** JFreeChart has moved to GitHub: https://github.com/jfree/jfreechart ***
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    Downloads: 258 This Week
    Last Update:
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  • 6
    Chart.js

    Chart.js

    Simple yet flexible JavaScript charting for designers & developers

    Chart.js is a Javascript library that allows designers and developers to draw all kinds of charts using the HTML5 canvas element. Chart js offers a great array of simple, clean charts including animated and interactive versions. Chartjs is an easy way to include beautiful and engaging charts into your website for free.
    Downloads: 47 This Week
    Last Update:
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  • 7
    PhotoFilmStrip
    PhotoFilmStrip creates movies out of your pictures in just 3 steps. First select your photos, customize the motion path and render the video. There are several output possibilities for VCD, SVCD, DVD up to FULL-HD. Creates animated slideshows.
    Downloads: 65 This Week
    Last Update:
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  • 8
    LibVNCServer/LibVNCClient are cross-platform C libraries that allow you to easily implement VNC server or client functionality in your program.
    Downloads: 57 This Week
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  • 9
    softProjector
    Наша цель это создать программу которая простая в использование, но мощная в своих возможностях. Our goal is to create a program that is powerful, yet easy to use.
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    Downloads: 44 This Week
    Last Update:
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  • Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure Icon
    Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure

    Native application identity and user-based security for your Azure cloud

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  • 10
    CasparCG: Pro Video & Graphics Play-Out

    CasparCG: Pro Video & Graphics Play-Out

    Pro Video & Graphics Play-Out SW, proven in 24/7 broadcasts since 2006

    Playback and record video, graphics and audio to multiple screens via DVI/HDMI/SDI in SD, HD, 2K and 4K.
    Downloads: 42 This Week
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  • 11
    Impressive
    Impressive is a program that displays PDF presentation slides with style. Smooth alpha-blended slide transitions are provided for the sake of eye candy, but in addition to this, Impressive offers some unique tools that are very useful for presentations.
    Downloads: 34 This Week
    Last Update:
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  • 12
    PDF Presenter
    An easy to use presentation software with focus on PDF documents. External display / projector presentations: PDF, images, text and whiteboard with annotations; intuitive user interface, optimal mouse and pen input handling.
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    Downloads: 47 This Week
    Last Update:
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  • 13
    reveal.js

    reveal.js

    The HTML Presentation Framework

    reveal.js is a framework for creating beautiful interactive presentations using HTML. It comes with a wide range of features, including nested slides, auto-sliding, touch navigation, Markdown support, PDF export, speaker notes, theming and more. It also comes with a JavaScript API that allows you to control various other options, and a list of plugins that can be used to extend reveal.js further. reveal.js currently offers full support for any recently released version of the following browsers: Chrome, Safari, Firefox, Opera, Edge and IE10-11. It has limited support for IE9 and Firefox 3.6. For a live demonstration, visit https://revealjs.com
    Downloads: 5 This Week
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  • 14
    A Python interface to the gnuplot plotting program.
    Downloads: 21 This Week
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  • 15
    PHPlot

    PHPlot

    A PHP class for creating graphs, plots, charts

    PHPlot is a PHP graphics class for creating charts and plots. It works with PHP5 and the PHP GD extension to produce PNG, GIF, or JPEG images. TrueType fonts (TTF) are optional, or built-in GD fonts can be used. The available plot types include: area, bars, line/points, lines, pie, points, squared, stacked-bars, and thin bar-line. Labels, tick marks, plot legend, and X/Y axes and more are all configurable. Images can be imported as a background, multiple graphs can be drawn on one image, and images can be saved to disk or returned to a browser.
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    Downloads: 100 This Week
    Last Update:
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  • 16
    ZedGraph is a class library, user control, and web control for .net, written in C#, for drawing 2D Line, Bar, and Pie Charts. It features full, detailed customization capabilities, but most options have defaults for ease of use.
    Downloads: 16 This Week
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  • 17
    Album Shaper strives to be the most friendly, easy to use, cross platform application for organizing, annotating, framing, enhancing, stylizing, and sharing your digital photos.
    Downloads: 22 This Week
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  • 18
    Flow Teleprompter

    Flow Teleprompter

    A Windows first teleprompter with voice tracking and AI drafting.

    Flow is an ultra-lightweight, high-performance desktop teleprompter built with Tauri and Rust. It is designed for creators & presenters who need a clean reading surface without sacrificing advanced features like native voice tracking via local Vosk models and app-wide voice commands. It features five playback styles (highlight, scroll, line, arrow, and voice tracking), local-first privacy, and a built-in script editor. Version 1.9.0 introduces WebRTC-powered real-time collaborative editing, allowing an unlimited number of guests to join and edit scripts live across devices. It also includes an invisible always-on-top overlay for Screenshare bypass, remote script delivery via quick-connect QR links, and optional Groq-powered AI drafting. Flow keeps RAM usage minimal while maintaining top-tier performance and staying completely out of your way.
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    Downloads: 81 This Week
    Last Update:
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  • 19
    GeSHi - Generic Syntax Highlighter for PHP. Used to highlight almost any code for the web. Nearly 150 supported languages: PHP, HTML, C and more. Styles can be changed on the fly and CSS classes can be used to reduce the amount of XHTML compliant output.
    Downloads: 13 This Week
    Last Update:
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  • 20
    The Beamer class is a LaTeX class for creating presentations using a video projector. THIS PAGE IS NO LONGER MAINTAINED. Home page: https://github.com/josephwright/beamer Mailing lists: http://groups.google.com/group/beamer-class
    Downloads: 16 This Week
    Last Update:
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  • 21
    Ken Burns Slideshow

    Ken Burns Slideshow

    Instant, portable, fullscreen slideshow with Ken Burns effect and more

    Create instant & real-time full-screen slideshow with the Ken Burns effect (and more!) for a set of images. Added several additional transition animations. 支持简体中文! Refer to readme.md in Files for a full description. Video preview: https://youtu.be/ch2UjN9nwIc Video preview (for China): http://v.youku.com/v_show/id_XMTQ5NTM0NTAxMg==.html For detailed description, change log and the latest dev build: https://github.com/changbowen/Ken-Burns-Slideshow
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    Downloads: 16 This Week
    Last Update:
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  • 22
    MPAndroidChart

    MPAndroidChart

    A powerful Android chart view / graph view library

    MPAndroidChart is a powerful chart library for Android that offers a beautiful and comprehensive range of charts and graphs. Powerful and very easy to use, it supports the creation of bar-, line-, pie-, bubble-, scatter-, radar- and candlestick charts, as well as scaling, dragging and animations. Charts are rendered cleanly and are visually engaging. Visualizing your data exactly how you want is so much easier with MPAndroidChart. To see more great examples of MPAndroidChart, download the MPAndroidChart Example App on Google Play.
    Downloads: 2 This Week
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  • 23
    Shower Presentation Template

    Shower Presentation Template

    Shower HTML presentation engine

    Shower Presentation Template is a shower HTML presentation engine. Built on HTML, CSS and vanilla JavaScript, works in all modern browsers. Themes are separated from engine, and comes with fully keyboard accessible. Printable to PDF and includes Ribbon and Material themes, and core with plugins. You’ll need Node.js installed on your computer. Latest stable versions of Chrome, Edge, Firefox, and Safari are supported.
    Downloads: 2 This Week
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  • 24
    Time_limit

    Time_limit

    A windowed/full-screen countdown timer.

    A windowed / full-screen countdown timer. Colour and font size changes are used as warnings. Progress-bar gives a glance at the time stream. Three different modes are available: - time left; - time passed; - ordinary clock. When the time is over several possibilities are available: - to show the defined message; - to continue count the time; - to launch another application; - to close the count-down timer. Useful for speech, lecture or presentation timing. Colour / font / time limits can be changed using settings window and hot-keys. To change current time use the mouse wheel. By clicking on progress-bar, the timer mode is toggled.
    Downloads: 29 This Week
    Last Update:
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  • 25
    This Java application serves to transform W3C XML Schema instances into interactive diagrams in SVG format. The diagram represents structure of XML files and provides information about individual items – elements and attributes.
    Downloads: 12 This Week
    Last Update:
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