1 Applied fields
1.1 CAx
1.1.1 Electronic design automation (EDA)
1.2 Finance
1.3 Integrated Library System
1.4 Mathematics
1.5 Computer simulation
1.6 Science
1.6.1 Geographic Information Systems
1.6.2 Plotting
1.6.3 Microscope image processing
1.6.4 Molecule viewer
1.6.5 Molecular dynamics
1.6.6 Bioinformatics
1.6.7 Cheminformatics
1.6.8 Grid Computing
1.7 Statistics
1.8 Artificial intelligence
2 Assistive technology
2.1 Speech (synthesis and recognition)
2.2 Other assistive technology
3 Data storage and management
3.1 Backup software
3.2 File archivers
3.3 File Systems
3.4 Database management systems (including administration)
3.5 Data Visualization Components
3.6 Data mining
3.7 Enterprise search engines
3.8 ETLs (Extract Transform Load)
4 Networking and Internet
4.1 Advertising
4.2 E-mail
4.3 Instant messaging
4.4 IRC Clients
4.5 RSS/Atom readers/aggregators
4.6 Communication-related
4.7 File transfer
4.8 Peer-to-peer file sharing
4.9 Remote access and management
4.10 Routing software
4.11 Web browsers
4.12 Webcam
4.13 Webgrabber
4.14 Web-related
4.15 Portal Server
4.16 Middleware
4.17 Other networking programs
5 Educational
5.1 Educational suites
5.2 Learning support
5.3 Language
5.4 Typing
5.5 Geography
5.6 Other educational programs
6 File managers
7 Theology
7.1 Bible study tools
8 Games
9 Genealogy
10 Graphical user interface
10.1 Windowing system
10.2 Desktop environments
10.3 Window managers
11 Groupware
11.1 Content management systems
11.2 Wiki software
12 Healthcare software
13 Media
13.1 Multimedia codecs / containers / splitters
13.2 Audio editors / audio management
13.3 Graphics
13.4 Image galleries
13.5 Image viewers
13.6 Radio
13.7 Television
13.8 2D animation
13.9 3D animation
13.10 Flash animation
13.11 Video editing
13.12 Video players
13.13 CD-writing software
13.14 Other media packages
14 Operating systems
15 Password management
16 Personal information managers
17 Programming language support
17.1 Bug trackers
17.2 Code generators
17.3 Configuration software
17.4 Debuggers (for testing and trouble-shooting)
17.5 Integrated development environments
17.6 Version control systems
18 Typesetting
19 Screensavers
20 Security
20.1 Anti-virus
20.2 Anti-spyware
20.3 Data loss prevention
20.4 Encryption
20.4.1 Disk encryption
20.5 Firewall
20.6 Network and security monitoring
20.7 Secure Shell (ssh)
20.8 Other security programs
21 Other
22 CD compilations of open-source software
23 See also
24 References
25 External links
25.1 General directories
25.2 Open source for Windows
25.3 Other directories