Licence: Shareware (20)
Version 2.3.0 | Release Date: 2014-10-30 | Download


  • New app icon.
  • Updated retina artwork.
  • Easier to see mouse cursor.


  • Prompt text properly clears when resizing window.
  • Fixed Yosemite glitches.
Version 2.2.0 | Release Date: 2014-08-25 | Download


  • Alternate buffers for preserving state between shells and fullscreen programs.
  • Fixed a line wrapping bug in tmux and other programs.
  • Cursor hiding sequences now work.

User Interface

  • Copied text preserves lines and ignores wrapping.
  • Pasting large amounts of text no longer causes cutoffs.
  • Increase/decrease font scale menu and shortcut.
  • A few new sounds (thanks to Bastian Masanek)
Version 2.1.2 | Release Date: 2014-04-21 | Download


  • Live text reflowing.
  • Background color erase.


  • Simplified text/window sizing.
  • Closing windows warns about ending processes.


  • Non-PNG reflection pictures now save properly.
  • TMPDIR is properly inherited.
Version 2.1.1 | Release Date: 2014-04-07 | Download


  • Live text reflowing.
  • Background color erase.


  • Simplified text/window sizing.
  • Closing windows warns about ending processes.


  • Non-PNG reflection pictures now save properly.
  • TMPDIR is properly inherited.
Version 2.1.0 | Release Date: 2014-04-06 | Download


  • Live text reflowing.
  • Background color erase.


  • Simplified text/window sizing.
  • Closing windows warns about ending processes.


  • Non-PNG reflection pictures now save properly.
  • TMPDIR is properly inherited.
Version 2.0.3 | Release Date: 2014-01-22 | Download

Bug Fixes

  • Bold colors work better.
  • Dark grey text is no longer invisible in some cases.
  • TMPDIR and DISPLAY are set properly.
  • Reflection works better with multiple monitors


  • Made blues brighter.
  • Added yank and kill to shortcuts to the editor. (^K and ^Y)
  • Better services integration for text and URLs.
Version 2.0.2 | Release Date: 2012-10-15 | Download

Save Screenshots

  • Use the File menu or Command-Shift-P
  • Saves PNGs with transparency.
  • Works with retina displays.

Bug Fixes

  • A crash related to closing windows has been fixed.
  • Typing in a disconnected terminal now works properly.
  • Improved stability with the following graphics cards:
    • Intel HD 3000
    • ATI Radeon HD series
Version 2.0.1 | Release Date: 2012-09-08 | Download

Bug Fixes

  • Older MacBookPros no longer display an empty picture.
  • Setting a custom reflection photo works once again.
Version 2.0.0 | Release Date: 2012-09-07 | Download


  • New icon.
  • New spring effect when scrolling or moving windows.


  • Better support for opening text files from the Finder or Dock.
  • Fixed some crashes related to closing windows and multiple monitors.
Version 1.9.8 | Release Date: 2012-08-27 | Download

Retina Display Support

  • Enable it in the Preferences
  • Leave it off for higher framerates
  • Works with mixed monitor setups

New Mouse Options

  • Copy on select
  • Paste with the right or middle mouse button
  • Enable these features in the Terminal section of the preferences

Visual Improvements

  • The glow effect looks much more realistic
  • Noise and retrace effects don't go outside the picture area
  • Transparency works in Low rendering mode
  • Minimal rendering mode text is sharp
  • Fixed a bug that was causing a slight flash when switching windows
Version 1.9.0 | Release Date: 2012-08-10 | Download


  • Autosaving can be disabled for text documents.
  • Smoother window resizing and font zooming.
  • Better resampling for Picture and Camera documents.
  • Reflection image can be selected using an Open dialog.

Bug Fixes:

  • Text no longer disappears in background windows on certain ATI graphics cards.
  • Initial window sizing and placement is smarter.
  • Scrolling never occurs when clicking in the toolbar.
Version 1.8.0 | Release Date: 2012-08-01 | Download


  • Thousands of new characters: Punctuation, Symbols, Greek, Hebrew, Math, more Latin and Cyrillic, etc.
  • Supported ranges are U+0000..U+0600, U+2000..U+2200, and U+25xx.
  • Classic fonts fall back to Monaco, for now.


  • Window sizing is more consistent when resuming the app, making new documents, and changing themes.
  • Font zooming is smoother, sharper, and more powerful.
  • Classic and modern fonts are sized more consistently.


  • Immersive mouse cursor is now optional, and is off by default.
  • The window title shows the grid size.
  • Selection looks better over multiple foreground/background colors.
  • Toolbar with font controls.
Version 1.7.0 | Release Date: 2012-07-17 | Download

Font Scaling

  • Text size can be controlled by scaling pixels, rather than just point size.
  • A new "Lock Grid Size" option makes sizing less clunky.


  • New "Vertical Interlace" effect can make nice looking square pixels.
  • Ambient light on the frame looks better on many graphics cards.
  • Glow and jitter look better at large font scales.


  • Added more keyboard shortcuts for paragraph navigation in text documents.
  • Effect sliders are disabled when not available at the current rendering quality.

Bug Fixes

  • Very long text buffers aren't cut off when pasted.
  • Favorites always respect their themes on launch.
  • Very long lines in text documents are wrapped properly.
Version 1.6.0 | Release Date: 2012-06-28 | Download


  • Many layout glitches have been solved -particularily in emacs
  • Fixed a bug that was causing text to overwrite rather than insert
  • Dark grey text is now visible


  • Choose between Minimal, Low, Medium, and High rendering modes
  • Moving effect sliders down to 0 improves performance
  • Selection is visible for black text on a white background


  • Supports Mac OS X 10.8 Mountain Lion
  • ARC and modern Objective-C used under the hood
  • No more crashes when deleting shortcuts
Version 1.5.0 | Release Date: 2012-06-16 | Download


  • Documents and windows are restored between app launches
  • Text documents use auto-saving on Mac OS 10.7
  • New menus for controlling fonts, colors, and themes


  • Common commands can be stored as Favorites
  • Favorites can be launched with keyboard shortcuts

Keyboard and Mouse

  • Middle click copies selected text, or pastes the clipboard
  • PageUp/PageDown/Home/End keys can send custom control codes


  • A new "Camera" mode for converting live video feeds to ASCII art (see the Favorites menu)


  • New "minimal" rendering mode ("low" and "medium" coming soon)
  • Smoother fluid mode resizing


  • Terminal no longer resizes when starting "screen"
  • Fixed a bug that was inverting text incorrectly
  • No more mouse cursor drawing conflicts
  • DISPLAY envar is now properly set
Version 1.2.0 | Release Date: 2012-02-22 | Download


  • Open URLs by command double-clicking
  • Scrollbars can be hidden when not using the mouse/trackpad
  • Key repeat is back
  • Drag and drop reflection image in preferences
  • Scrolling now works smoothly in background windows


  • 256 colors
  • Blinking text
  • Underlined text
  • ASCII line drawing characters
  • Set TERM (xterm/xterm-color/xterm-256color) from the preferences
  • Better emulation, especially in Midnight Commander


  • New "overbright" property has been split out of "glow"
  • Other monitor properties have been renamed (Interlace -> Scan-Lines, Contrast -> Backlight, Line -> Retrace)


  • Fixed a crash that count happen when closing windows or moving windows between multiple monitors.
  • Fixed a bug that could truncate long strings when copied.
  • Select-by-word properly understands cyrillic characters
Version 1.1.1 | Release Date: 2012-01-29 | Download


  • Huge improvements in emulation accuracy
  • Cathode passes all the layout tests in vttest
  • Lots of bugs fixed
  • Prompt never appears on the wrong line


  • Option to use a custom fullscreen mode that's nicer than Lion's
  • Framerate slider
  • Positional window perspective can be disabled
  • Nicer mouse cursor
Version 1.0.0 | Release Date: 2011-10-31 | Download


  • Cyrillic glyphs are now available.
  • Classic fonts have been updated.

Performance Improvements:

  • New multi-threaded renderer gives smoother framerates.
  • CPU and battery utilization have been reduced.
  • Window resizing feels like butter.
  • Fullscreen and background windows are less taxing on the system.


  • Fixed some minor rendering glitches.
  • Fixed a bug that had broken function keys.
  • Fixed a bug that was preventing individual sounds from being disabled.
  • Added a setting to disable all sounds.
Version 0.9.9 | Release Date: 2011-10-08 | Download

Text Editor:

  • You can now view and edit plain text files without an underlying terminal.
  • Use "Open" or "New Editor" in the file menu.
  • Supports standard Mac OS keyboard shortcuts for text navigation.
  • Uses standard Mac OS open/save panels and change tracking.

Sound Effects:

  • New section of the Preferences for customizing sounds.
  • Categories:
    • Startup chimes
    • Ambient fan, hard drive, and CPU sounds
    • Scroll feedback
    • Character entry clicks
    • Error beeps
    • Modem noise

Custom Screen Reflection

  • Use your webcam to take a static reflection photo of your environment.
  • This is the most requested feature of all time.


  • Pasted text is no longer escaped with slashes.
  • Use the option key and left/right arrows to move by word at the shell prompt.
  • Fixed a bug that was causing copied text to be cropped.
  • Fixed a crash caused by unexpected unicode characters.
  • Removed some asserts that were accidentally left enabled in release builds.
Version 0.9.8 | Release Date: 2011-08-07 | Download


  • Lion-style fullscreen experience.
  • Shift + page up/down now work like in
  • Locale environment variables can be disabled.
  • Open any image file to generate ascii art.

Bug fixes:

  • Keyboard combos for international characters have been restored.
  • Cursor disappearing bug has been fixed.
  • Issuing an exit command in a fullscreen window now works.
  • Terminal emulation continues to improve.
Version 0.9.7 | Release Date: 2011-06-18 | Download


  • Shown as needed, just like iOS and Mac OS X Lion
  • Nice looks that don't interfere with the mood

Live Resizing

  • New setting for linking column and row count to window size.

Integrated Graphics Cards

  • Support for many on-board graphics cards from Intel
  • Tested and working on the 2011 13" MacBook Pro, among others

Command Files

  • Launch ".command" files from the finder
  • Can contain shell scripts or simple commands
  • Relaunch from the "Open Recent" menu

Terminal Options

  • New "Terminal" section in Preferences (some options have moved)
  • Close on exit
  • Delete sends Ctrl-H
  • Scroll on input
  • Dynamically change the scrollback buffer size


  • Fixed a crash that was occurring on Asian language systems
  • More accurate terminal emulation
Version 0.9.6 | Release Date: 2011-03-18 | Download


  • Works with PageUp/PageDown/Home/End.
  • Works with mouse gestures.
  • Looks great.

Better International Text Support

  • All characters from the ISO-8859-1 (Latin1 / Western Europe) standard are now supported.
  • You can use standard Mac OS X key combos for entering characters. (eg. add an acute accent by typing option+'e' before a character).
  • Classic bitmap fonts have been updated to support ISO-8859-1.
  • UTF-8 is used internally for all data flow.
  • The LANG environment variable is now set based on the language settings in System Preferences.


  • SSH no longer asks for passwords repeatedly. Cathode properly sets the SSH_AUTH_SOCK environment variable.
  • Bell sound can be disabled in the General Preferences.

New Command-Line Defaults

  • "ScrollBackRowCount" (Default is 10000)
  • "Color1", "Color2" ... "Color15" (For overriding the standard colors. Uses hex RGB strings. Eg. red would be "FF0000").
  • "BackgroundWindowsRenderAtFullQuality" (The default is NO. Intended only for media centers/kiosks/servers. This feature can significantly slow down drawing in other apps.)

Known Issues

  • There are driver issues with some of the brand new MacBooks (introduced on Feb 26th 2011). These are a top priority.
  • Vttest still shows quite a few emulation layout bugs. These are a medium-to-high priority.
Version 0.9.5 | Release Date: 2011-02-17 | Download

New Features:

  • Mouse cursor.
  • Mouse selection (by character, word, or line).
  • Copy/Paste.
  • Drag and drop files.
  • Buffer clearing with command-K.
  • Use option/alt as meta key.
  • Forward delete key.
  • Three new classic fonts (thanks to Damien Guard).
  • More bit-rates to choose from.


  • Now fully 64-bit, fully Cocoa, using the modern runtime, and compiled with LLVM.


  • Fixed some terminal alignment glitches (often seen in "screen").
  • Fixed a crash that was occurring in "vttest".
  • Fixed a bug that was causing jumbled text on nVidia 7300/7600 GT and 4500 FX graphics cards.
  • Users are now properly warned about unsupported graphics hardware (Intel GMA 950/X3100, ATI Radeon 1600/1900).
Version 0.9.4 | Release Date: 2011-01-19 | Download
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