Open Source Tcl Multimedia Software

GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.

The Pure Data (short Pd) project on SourceForge unifies the extensions (or externals) written for the Pure Data Graphical Computer Music System written by Miller Puckette with contributions from many others.

ChessDB is a free open-source chess database for Windows, Linux, Mac OSX and most UNIX and UNIX-like operating systems. ChessDB is based on code from Scid http://scid.sourceforge.net/ - a project for which there have been no updates for several years. In

WaveSurfer is an open source tool for sound visualization and manipulation. Typical applications are speech/sound analysis and sound annotation/transcription. WaveSurfer may be extended by plug-ins as well as embedded in other applications.

The Open-Source PyMOL repository has been moved to github: https://github.com/schrodinger/pymol-open-source We still use the pymol-users mailing list here on sourceforge. Please subscribe for community support: https://pymol.org/maillist (Note: SourceForge email newsletter and special offers are optional and can be unchecked) The PyMOL community wiki has its own home: https://pymolwiki.org/

BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.

SaVi - simulate Starlink, Iridium, Globalstar, O3b, GPS, Galileo and other satellite constellations, modify them, or design your own. Requires Tcl/Tk and Unix libraries; 3D viewing option requires Geomview running on X Window.

OSW is a graphical programming environment for real-time music and audio applications. Users connect objects called transforms to form programs called patches. OSW currently runs on Windows, Linux, Mac OS X and SGI platforms.

See https://tkimg.sourceforge.net/ for a list of supported image formats.

New version 0.5.2.2 Released May 15th 2026. Snowmix is a Swiss army knife tool for mixing live and recorded video and audio feeds. It supports 2D and 3D clipping, scaling and transparent overlay of video, png graphics and text. It supports animation of video, images and texts through native commands changing scale, placement, transparency and rotation. Animation and actions can also be controlled through native scripting and an embedded Tcl and/or Python interpreter. Snowmix is designed for control over low bandwidth links and can work as a standalone CLI based program. Control over both CLI and a TCP connections. Video input and outputs can be done through GStreamer pipelines or the GStreamer shmsrc/shmsink API. Supported for Ubuntu, Mint, Debian, Alma, CentOS, EndeavourOS, Fedora, Mageia, Manjaro, MX Linux, OpenSUSE, RHEL, Rocky and macOS/OS X. Free support in the discussion forum. See Snowmix in action on Youtube http://www.youtube.com/user/Snowmix4video

Ayam is a free 3D modelling environment for the RenderMan interface.

TV-Viewer is a frontend to watch and record TV. Designed for analog TV-cards working with ivtv, pvrusb2 or cx18 driver and others with a build-in hardware MPEG-2 encoder. The Gui is written in Tk, so it does not rely on a special desktop environment.

AudeLA is a TCL extension aimed at providing amateur astronomers with image processing, telescope controling, ccd camera driving, and various astronomical algorithms. Web site : https://sourceforge.net/p/audela/wiki/fr_accueil Web site : https://sourceforge.net/p/audela/wiki/en_welcome

a tool for segmenting, labeling and transcribing speech

ESI MAYA22 USB audio interface (https://www.esi-audio.com/products/maya22usb/) is not officially supported for Linux. However, it complies with the "USB audio" standard and works under Linux, except for special control functions. This project is a GUI application for managing these functions in a Linux environment. Thanks to another existing project (https://github.com/rabits/esi-maya22-linux) for ideas.

The program has various modes of viewing the contents of the midi file. The program allows you to search for midi files having certain characteristic on your hard drive (eg. tempo exceeds 200 bpm and number of pitchbends greater than 100).

nxtvepg is a decoder and browser for Nextview EPG - a subscription-free electronic TV program guide in the analog domain. Up to ~2012, Nextview was broadcasted in Germany, Austria, Switzerland, Turkey, Belgium and France and covered all major TV networks. Due to shut-down of analog transmission Nextview is defunct now. nxtvepg can still be used as browser for XMLTV files and EPG grabber from teletext.

Togl provides a platform independent Tk widget for using OpenGL rendering contexts.

SnackAmp is a powerful multi-platform audio music (mp3, ogg ,wav, streams ...) player and organizer for large music collections. Manage your entire collection, including ID3 tagging and auto-playlisting. Integrated web server for remote control/strea

You will find here experimental drivers for ATI videocards and TV/Video related applications.

CECILIA is an environment for music and signal-processing that uses Csound as its underlying audio processing engine. One can think of CECILIA as a completely programmable sound-processing tool, with real-time interactive processing on soundfiles or live

xmorph/morph/gtkmorph: image warping and dissolving (morphing) programs

Emacspeak turns Emacs into a complete audio desktop to provide a pleasurable eyes-free computing experience.

VintageRadio is a GUI front-end for the fm command-line application included with fmtools <http://benpfaff.org/fmtools>. It is written in Tcl/Tk. VintageRadio is not part of fmtools.

Tksolfege is an ear training program for learning to recognize chords, intervals, perform rhythm dictation, solfege dictation and singing solfege sequences. As you will discover, it is not an easy program to install and setup on your computer. You will also require to install the tcl/tk interpreter, fluidsynth, and at least one soundfont file. On Windows 11, you may also need to configure the operating system to show the file extension and the hidden directories. The program runs on Windows PC, Linux, and MacOS; however, I do not have a Mac computer to test it. See the web page, https://tksolfege.sourceforge.io for more details. When viewing the YouTube videos, be sure to enlarge the window to full screen.