MacTools 

 Open Source Software ([|OSS]) for Macs is an often neglected topic so hopefully these will be of interest to Mac Users

well-known oss applications also available for osx

 * [|**Audacity**] (sound recorder & editor)
 * [|**Firefox**] ([|web browser])
 * [|**FreeMind**] (mind-mapping program)
 * [|**The GIMP**] (image editor)
 * [|**Handbrake**] (DVD ripper and video converter - formerly OSX-specific!)
 * [|**KompoZer**] (web page editor)
 * [|**NVU] (Web page editor)
 * [|**Miro**] (HD video player & Bittorrent client)
 * [|**OpenOffice.org**] (and [|**NeoOffice**] - office suites)
 * [|**VLC**] (versatile video player)
 * [|**XMind**] (mind-mapping program - can host mindmaps online)

oss applications that are osx-specific
A wonderful, wonderful suite of programs is available for OSX called [|**MacLibre**]. This features a wealth of OSS, auto-updates, and is a graduate of the Google Summer of Code competition. I would recommend any Mac user to install this - what have you got to lose? More Open Source software for OSX is listed at [|**Open Source Mac**]. A more comprehensive list is available, of course, at [|**Sourceforge**].
 * [|**Adium**] (instant messaging client)
 * [|**Cyberduck**] (FTP client)
 * [|**ffmpegX**] (video transcoder)
 * [|**Q**] (an emulator allowing Linux, Windows and other operating systems to be run in a virtual machine)
 * [|**Quicksilver**] ('unified, extensible interface for working with applications, contacts, music, and other data')
 * [|**Romeo**] (control Mac via Bluetooth)
 * [|**Seashore**] (image editor)
 * [|**SimplyBurns**] (CD/DVD burning software)
 * [|**Transmission**] (Bittorrent client)

http://www.opensourcemac.org/ **Web Browsing**

**Mozilla Firefox**
The premier free, open-source browser. Tabs, pop-up blocking, themes, and extensions. Considered by many to be the world's best browser.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/camino_icon.png width="82" height="82" caption="camino"]]

**Camino**
Based on the same Mozilla foundation as Firefox, Camino is a more native OS X app. Fast and simple. =**Video Player / Video Podcasting**=
 * [|Download Page]**

**Miro**
Beautiful interface. Plays any video type (much more than quicktime). Subscribe to video RSS, download, and watch all in one. Torrent support. Search and download from YouTube and others. =**IM - Instant Messaging**=
 * [|Download Page]**

**Adium**
Connect to multiple IM accounts simultaneously in a single app, including: AOL IM, MSN, and Jabber. Beautiful, themable interface. =**Application Launching**=
 * [|Download Page]**

**Quicksilver**
Quicksilver lets you start applications (and do just about everything) with a few quick taps of your fingers. Warning: start using Quicksilver and you won't be able to imagine using a Mac without it. =**Software packs**=
 * [|Download Page]**

**MacLibre**
Installs a pack of great open source apps (including many on this page) and keeps them updated for you. =**Email**=
 * [|Download Page]**

**Mozilla Thunderbird**
Powerful spam filtering, solid interface, and all the features you need. =**Utilities**=
 * [|Download Page]**

**The Unarchiver**
Uncompress RAR, 7zip, tar, and bz2 files on your Mac. Many new Mac users will be puzzled the first time they download a RAR file. Do them a favor and download UnRarX for them! =**RSS**=
 * [|Download Page]**

**Vienna**
Very nice, native RSS client.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/rssowl_icon.png width="82" height="82" caption="rssowl"]]

**RSSOwl**
Solid cross-platform RSS client. =**Peer-to-Peer Filesharing**=
 * [|Download Page]**

**Cabos**
A simple, easy to use filesharing program. Gnutella network.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/solarseek_icon.png width="82" height="82" caption="solarseek"]]

**SolarSeek**
Soulseek filesharing for Mac, in a simple, solid client.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/transmission_icon.png width="82" height="82" caption="transmission icon"]]

**Transmission**
Very nice torrent downloader. =**Running Windows Software on Macs**=
 * [|Download Page]**

**Q Emulator**
Run Windows programs on your Intel Mac at near native speed. Works on G4 / G5 Macs too, but much slower. =**Podcasting**=
 * [|Download Page]**

**Juice**
Solid podcasting client. =**Video Playback**=
 * [|Download Page]**

**VLC**
Plays more video files than most players: Quicktime, AVI, DIVX, OGG, and more. Pretty good interface.
 * [|Download Page]**[[image:http://mplayerosx.sourceforge.net/img/icon.jpg width="82" height="82" caption="MPlayer"]]

**MPlayer**
The interface and buttons are not as nice or as Mac-like in feel, but it may play even more video files than VLC.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/perian.png width="82" height="82" caption="MPlayer"]]

**Perian**
A plugin that allows quicktime to play additional video formats. (Included in Democracy Player.) =**iPod Ripping**=
 * [|Download Page]**

**iPodDisk**
Copy music off your iPod in the finder, like a regular disk drive. =**DVD Ripping**=
 * [|Download Page]**

**Handbrake**
DVD ripper and MPEG-4 / H.264 encoding. Very simple to use. =**CD / DVD Burning**=
 * [|Download Page]**

**Burn**
CD and DVD Burner. Burn any video to a disc that plays in your DVD player! =**Privacy**=
 * [|Download Page]**

**Vidalia**
This **[|TOR]** frontend keeps you anonymous on the web using military-grade techniques. For use with Firefox see: **[|TorButton]**. =**Word Processing / Office Suites**=
 * [|Download Page]**

**Bean**
Very fast and easy to use word processor. Live word count, autosaving, more.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/openoffice_icon.png width="82" height="82" caption="openoffice"]]

**OpenOffice**
OpenOffice is a full-featured, office suite compatible with Microsoft Word, Powerpoint, and Excel. Friends don't let friends pay for Microsoft Office.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/abiword_icon.png width="82" height="82" caption="abiword"]]

**AbiWord**
A word processor. Leaner and quicker than OpenOffice. Compatible with Microsoft Word documents and OpenDocument Format. =**Wifi Scanning**=
 * [|Download Page]**

**KisMac**
The best wireless scanner for Mac. Find wireless access when you're on the go. =**Sound Recording**=
 * [|Download Page]**

**Audacity**
Simple sound recording tool. =**Graphics, Photo, Publishing**=
 * [|Download Page]**

**Seashore**
Based on Gimp, but doesn't require X11.
 * [|Download Page]**[[image:http://www.macupdate.com/images/icons/19978.png width="82" height="82" caption="seashore"]]

**Xee**
Fast image viewer and image browser.
 * [|Download Page]**[[image:http://gimp-app.sourceforge.net/Gimp.png width="82" height="82" caption="gimp"]]

**Gimp.app**
Photo editing application that rivals Photoshop in features (requires X11).
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/inkscape_icon.png width="82" height="82" caption="inkscape"]]

**Inkscape**
Vector graphics application (requires X11).
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/scribus_icon.png width="82" height="82" caption="scribus"]]

**Scribus**
Desktop publishing. Complicated install, but a nice app. =**FTP / SFTP**=
 * [|Download Page]**

**Cyberduck**
Very good all-around ftp program.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/onebutton.png width="82" height="82" caption="onebutton ftp"]]

**OneButton FTP**
Simple, fast FTP, with a focus on "advanced queuing".
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/fugu_icon.png width="82" height="82" caption="fugu"]]

**Fugu**
Not as polished as Cyberduck (and only for SFTP) but has a side by side interface showing your files and the remote files. =**HTML / Text Editing**=
 * [|Download Page]**

**Smultron**
Text / html editor. Integrates with Cyberduck for editing websites.
 * [|Download Page]**[[image:http://www.macupdate.com/images/icons/15699.png width="82" height="82" caption="NVU"]]

**Nvu**
Visual tool for making websites (WYSIWYG html editor), comparable to Dreamweaver. =**IRC**=
 * [|Download Page]**

**Colloquy**
Great IRC client.
 * [|Download Page]**

=**Media Center**=

**Centerstage**
Full-screen interface for playing audio, video, and photos. Connect it to your TV. =**Note Taking**=
 * [|Download Page]**

**Freemind**
An innovative application for note taking and outlining. Takes time to get used to, but some people swear by it. =**Personal Finance**=
 * [|Download Page]**

**Cashbox**
Simple, easy to use application for managing personal finances.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/buddi.gif width="82" height="82" caption="buddi"]]

**Buddi**
A personal finance and budgeting program, aimed at those who have little or no financial background. =**MSN Chat**= =**More Web Browsing**=
 * [|Download Page]**
 * [|AMSN Messenger]**

**Shiira**
Fast, nice web browser.
 * [|Download Page]**[[image:http://sunrisebrowser.com/images/title_logo.gif width="82" height="82" caption="sunrise browser"]]

**SunriseBrowser**
Good webkit-based browser created with special tools for web designers.
 * [|Download Page]**[[image:http://www.mozilla.org/projects/seamonkey/images/project-seamonkey.png width="82" height="82" caption="seamonkey"]]

**Seamonkey**
Full-featured Mozilla browser, used to be called 'Mozilla Suite'. =**PDF Viewer**=
 * [|Download Page]**

**Skim**
PDF viewer. =**Screensaver**=
 * [|Download Page]**

**Electric Sheep**
Immersive, trippy screensaver. =**More Filesharing**=
 * [|Download Page]**

**Tomato Torrent**
Download torrents. Nice and simple. =**3D Graphics and Modeling**=
 * [|Download Page]**//Also see:// **[|Poisoned]** - **[|Azureus]**

**Blender**
Powerful 3D Modeling software. =**MP3 Management**=
 * [|Download Page]**//Also see:// **[|Persistence of Vision Raytracer]** - **[|Art of Illusion]** - **[|Wings 3D]** - **[|Quesa]** -**[|Open Media Toolkit]**

**iEatBrainz**
Fills in the correct metadata (title, artist, etc) for MP3s in your collection. =**Planetariums and Outer Space**=
 * [|Download Page]**

**Celestia**
Open-source 3D planetarium software. Akin to traveling through space (outer space).
 * [|Download Page]**[[image:http://www.stellarium.org/img/rotation/rotate.php width="82" height="82" caption="stellarium icon"]]

**Stellarium**
"Renders realistic skys in realtime." See what you would see if your city wasn't so light-polluted. Used in real planetariums. =**Comic Viewer**=
 * [|Download Page]**//Also see:// **[|macORSA]** - Orbit Reconstruction, Simulation, and Analysis

**Jomic**
Read digital comics. =**Dance Dance Revolution**=
 * [|Download Page]**

**Stepmania**
Dance Dance Revolution clone. Can connect to external dance pads. =**Games**=
 * [|Download Page]**

**Cube**
Nice first-person shooter.
 * [|Download Page]**[[image:http://source.bungie.org/alephone_icon82x82.png width="82" height="82" caption="Marathon: Aleph One icon"]]

**Marathon: Aleph One**
Engine for Bungie's free FPS series Marathon. Play online, solo play with rich original story, many total conversions and thousands of maps.
 * [|Download Page]**[[image:http://codenautics.com/zombies/head.gif width="82" height="82" caption="zombies icon"]]

**Zombies**
3D zombie strategy game.
 * [|Download Page]**[[image:http://www.opensourcemac.org/icon/armagetron_icon.png width="82" height="82" caption="armagetron"]]

**Armagetron Advanced**
3D Tron game.
 * [|Download Page]**[[image:http://www.macupdate.com/images/icons/10891.png width="82" height="82" caption="BZflage logo"]]

**BZFlag**
First-person tank game.
 * [|Download Page]**[[image:http://www.wesnoth.org/mw/skins/glamdrol/wesnoth-logo.jpg width="82" height="82" caption="Battle for Wesnoth logo"]]

**Battle for Wesnoth**
Fantasy / Strategy Game =**del.icio.us Client**=
 * [|Download Page]**//Also see:// **[|Snes9X]** (SNES emulator), **[|Frozen Bubble]**, **[|PySol for Mac]** (card games),**[|PLANESHIFT]** (3D Fantasy MMORPG), **[|VDrift]** (drift racing simulation).

**Cocoalicious**
Let's you easily post to del.icio.us. =**Free File Hosting**=
 * [|Download Page]**

**CC Publisher**
Host Creative Commons video or audio files for free on archive.org with this easy uploader. =**Quick Links**=
 * [|Download Page]**

Comic viewer: [|FFView] OpenDocument viewing application: [|ODF Viewer]
 * Viewers** Comic viewer: [|Comical]

RSS Reader: [|Feed] Cross-platform RSS reader: [|BlogBridge] RSS video podcast player: [|I/ON] Usenet Reader: [|OSXnews]
 * RSS and Usenet**

Multi-IM: [|Fire] Powerful IRC client: [|X-Chat Aqua] Videoconferencing client: [|XMeeting] PBX / Voip system: [|Asterisk]
 * IM, IRC, Chat**

Draw on a moving canvas: [|Cosmic Painter] Image editor: [|Seashore] An artwork scaling calculator: [|Scaletron!] A Paint-like program designed for pixel-pushers: [|Pixen] A VRML/X3D Browser: [|FreeWRL] Realtime Editing and Effects System: [|Jahshaka] Video transcoder: [|ffmpegX] MPEG convertor: [|MPEG Streamclip]
 * Graphics and Art**
 * Video**

OGG Vorbis encoder (ogg is an open source audio codec): [|Ogg Drop] Music notation: [|LilyPond] Play and compose live music: [|Miraton] Max/MSP style realtime music and multimedia environment: [|Pd] Manage chords, lyrics, and projection: [|OpenSong]
 * Music and Audio**

Discover open wifi networks: [|iStumbler] A Prism/Prism2 driver 802.11: [|WirelessDriver] Fast, lightweight VNC client: [|Chicken of the VNC] VNC server providing remote access to the GUI, keyboard and mouse: [|OSXvnc]
 * Wifi / Networking**

Manage disk space: [|DiskInventoryX] Book management: [|Books] CD / DVD Burning: [|SimplyBurns] Disable sleep on a Mac: [|InsomniaX] Protect your laptop with a car-alarm style alarm: [|Multialarm] Remove extra languages from OSX to save disk space: [|Monolingual] System event notifications: [|Growl] System performance monitors: [|MenuMeters] Virtual desktop tool: [|Desktop Manager] Virus checker: [|ClamXav] Share mouse and keyboard between 2 or more computers: [|SynergyKM] and [|Quick Synergy] Check available RAM: [|Memtest] Monitor CPU, RAM, battery, CPU temp, network, I/O, and more: [|X Resource Graph] Control your Mac via Bluetooth: [|Romeo]
 * Utilities**

Screenplay writing and pre-production support: [|Celtx] Bibliography manager, BibTeX .bib format: [|BibDesk] Typesetting - TeX previewer for Mac OS X: [|TeXShop] Typesetting: [|iTexMac]
 * Writing and Typesetting**

Education course management system: [|Moodle] Student information system: [|Focus / SIS] Another student information system: [|Centre]
 * Education**

Development platform: [|Eclipse] SQL Editor: [|YourSQL]
 * Programming**

General purpose computer algebra system: [|Yacas] GNU S language: [|R] MATLAB style rapid engineering and scientific prototyping / data processing: [|FreeMat]
 * Math and Engineering**