The goal of this page is to show you that free software both often use copyleft licenses (like the GNU GPL) and permissive licenses (BSD, MIT, X11, public domain, etc.). We are not saying that it is "bad" to use free software that is not "really free software".
Note: when we write "BSD" as license, it means BSD-style.
| Program | License |
|---|---|
| Operating Systems (the OS license refers to the kernel and base system license) | |
| BSD (FreeBSD, OpenBSD, NetBSD, DragonFlyBSD) | RF (mainly BSD) |
| Darwin | F (Apple Public Source License) |
| FreeDOS | F (GPL) |
| GNU/Linux | F (mainly GPL) |
| Minix | RF (BSD) |
| Plan9 | F (Lucent Public License) |
| Browsers | |
| Mozilla Firefox and Mozilla Seamonkey | F (GPL, LGPL and MPL) |
| Mail tools | |
| Evolution | F (LGPL) |
| Mozilla Thunderbird and Mozilla Seamonkey | F (GPL, LGPL and MPL) |
| Office suites (word processor, spreadsheet, etc.) | |
| Abiword | F (GPL) |
| KOffice | F (GPL, LGPL, BSD and others) |
| OpenOffice.org | F (LGPL) |
| Web servers | |
| Apache 1 | RF (Apache License 1.1) |
| Apache 2 | F (Apache License 2.0) |
| Lighttpd | RF (BSD) |
| Mail servers | |
| Exim | F (GPL) |
| Sendmail | RF (BSD) |
| Database management systems | |
| MySQL | F (GPL) |
| PostgreSQL | RF (BSD) |
| Versionning systems | |
| GNU CVS | F (GPL) |
| Subversion | RF (BSD) |
| Other server programs | |
| BIND (DNS server/client) | RF (BSD) |
| ISC DHCP (DHCP server/client) | RF (BSD) |
| OpenLDAP (LDAP server/client) | RF (OpenLDAP Public License) |
| OpenNTPD (NTP server/client) | RF (BSD) |
| OpenSSH (SSH server/client) | RF (BSD) |
| Computer Algebra Systems | |
| Maxima | F (GPL) |
| Editors | |
| Emacs | F (GPL) |
| Nano | F (GPL) |
| Vim | RF (charityware) |
| Language interpreters or compilers | |
| Caml (OCaml and Caml Light) | F (QPL) |
| GCC | F (GPL) |
| Mono | F (GPL, LGPL and MIT) |
| Perl | RF (Perl Artistic License) |
| PHP | RF (PHP License) |
| Python | RF (Python Software Foundation License) |
| Ruby | RF (Ruby License) |
| Graphics editors | |
| The GIMP | F (GPL) |
| Inkscape | F (GPL) |
| Games | |
| Armagetron Advanced | F (GPL) |
| BZFlag | F (GPL) |
| Freeciv | F (GPL) |
| Frozen Bubble | F (GPL) |
| LinCity-NG | F (GPL) |
| NetHack | F (NetHack GPL, not GNU) |
| OpenArena | F (GPL) |
| Pingus | F (GPL) |
| PlanetPenguin Racer | F (GPL) |
| Slune | F (GPL) |
| SuperTux | F (GPL) |
| Wormux | F (GPL) |
| Alone (or nearly alone) in their category | |
| X.Org | RF (X11 license) |
| TEX | RF (public domain, but you may not be allowed to call modified versions "TEX") |
| LATEX | F (LATEX Project Public License) |
$Id: examples.cgi 177 2008-02-05 18:14:32Z almacha $
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