Ion (window manager)#Further reading

The Notion (Not-ion) fork is actively maintained with packages available for the Linux distributions gentoo, Debian, Arch, SUSE and Fedora as well as NetBSD and Solaris (Solaris 10, OpenSolaris and OpenIndiana).

Window managers similar to ion include awesome, dwm, i3, larswm, and xmonad.

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Tuomo Valkonen, the author of Ion, has been at the center of several controversies concerning the licensing and distribution of his software, in particular the proclivity of major Linux and BSD distributions of making outdated development versions of Ion3 (the current unstable development branch) available as part of "frozen" software repositories. Often, such versions will include patches, such as for Xinerama or Xft support, both of which Valkonen disapproves on professional and personal grounds and has had removed from the main source tree. Yet, such distribution would seem to imply that the patched version is the official Ion3 package maintained by Valkonen himself, which he sees as unacceptable. Valkonen has even recently{{When|date=April 2023}} become an outspoken critic of the entire free software and open-source movement (the "FOSS herd", as he refers to it){{Citation |title=Ports Mailing List |date=December 2007 |url=http://lists.freebsd.org/pipermail/freebsd-ports/2007-December/045492.html |publisher=FreeBSD}}. due to his perceived mistreatment at the hands of several major distributions, including Arch Linux, Debian, pkgsrc (NetBSD, DragonflyBSD), and FreeBSD.{{Citation needed|date=July 2014}}

On April 28, 2007, Valkonen warned the Arch Linux maintainers of possible legal action because the (unofficial) Arch User Repository contained scripts to install Ion3 with patches he did not approve of.[https://web.archive.org/web/20080224035758/http://www.archlinux.org/pipermail/tur-users/2007-April/004634.html [tur-users] Ion3 trademark infringement] Later on he did the same with the pkgsrc maintainer of the NetBSD project[http://mail-index.netbsd.org/tech-pkg/2007/10/28/0000.html te ch-pkg: Outdated ion3 pkgsrc in violation of the license] and the ports maintainer of the FreeBSD project.[http://docs.freebsd.org/cgi/getmsg.cgi?fetch=438877+0+archive/2007/freebsd-ports/20071216.freebsd-ports FreeBSD Mail Archives] As of December 12, 2007,[http://lists.freebsd.org/pipermail/freebsd-ports/2007-December/045484.html Ion3 license violation] the development branch of Ion, along with other software by Valkonen, was pulled[http://lists.freebsd.org/pipermail/freebsd-ports/2007-December/045534.html Ion3 removal (Re: Ion3 license violation)] from the FreeBSD ports tree, after the author filed a complaint about outdated development releases still being available. Any version of Ion may still be installed from source code on any Unix system with proper libraries and dependencies.

Valkonen has implied in several mailing lists that he has become completely disillusioned with, if not openly hostile toward, the free software community in general. He plans to switch to developing strictly closed-source software for the Windows platform in the future.[http://lists.freebsd.org/pipermail/freebsd-ports/2007-December/045494.html Ion3 license violation] As of 2018, the author claims to have "found more worthwhile hobbies" than programming for the "Free Software movement", opining that it amounts to "bug-ridden clone[s] ... with a centralised software distribution mechanism".{{Cite web|url=http://tuomov.iki.fi/software/|title=Software ∈ ~tuomov}} Borgend, Valkonen's latest published program as of 2018, remains open-source and is compatible with Unix-like systems, including Macintosh OS X, his present operating system of choice.

{{Portal|Free and open-source software}}

• Integrated development environment
• Multiple-document interface
• Tabbed-document interface
• Tiling window manager

{{Reflist}}

• {{Cite web |first=Teodor |last=Zlatanov |date=29 September 2004 |url=http://www-128.ibm.com/developerworks/linux/library/l-cpion.html |title=Cultured Perl: Fun with the Ion window manager |publisher=IBM |work=developerWorks}}
• {{Cite web |first=Michael |last=Stutz |date=27 June 2006 |url=http://www.linux.com/archive/feature/55164 |title=Ion, the efficient window manager |work=Linux.com}}
• {{Cite web |first=Nicholas |last=Petreley |date=29 July 2002 |url=http://linux.sys-con.com/node/32770 |title=Ion a not-too minimalist window manager |work=SYS-CON |access-date=24 February 2010 |archive-date=30 April 2010 |archive-url=https://web.archive.org/web/20100430113743/http://linux.sys-con.com/node/32770 |url-status=dead }} (originally [https://web.archive.org/web/20021002000711/http://www.linuxworld.com/site-stories/2002/0729.ion.html appeared] in LinuxWorld.com)

• {{official website|https://tuomov.iki.fi/software/ion/}}
• {{Freshmeat|ion|Ion}}
• {{sourceforge|notion|Notion}} (ion3 fork)
• [https://notionwm.net/ Notion web site]

{{X desktop environments and window managers}}

Category:Lua (programming language)-scriptable software

Category:Tiling window managers

Category:X window managers