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Iverson Software Inc. was founded in February 1990 by [[Eric Iverson]], with the intention of offering an improved version of [[SHARP APL/PC]]. By this time Eric's father [[Ken Iverson|Ken]] had begun work with [[Roger Hui]] on the language [[J]] (in fact, the first public demo of J was also held in February 1990); the pair joined Iverson Software in May of that year. Eric adapted his SHARP [[session]] manager to work with Hui's J implementation, and J was first released at [[APL90]] in August 1990. Plans for a SHARP APL product were soon discarded. In 1994, the company hired [[Chris Burke]] to work on J's environment and libraries. In April 2000, it changed its name to Jsoftware; while the name Iverson Software Inc. is no longer used, it remains in the prefix "isi" used for some J tools.<ref>[[Roger Hui|Hui, Roger]]. [http://keiapl.org/rhui/remember.htm "Remembering Ken Iverson"]. November 2004.</ref> | Iverson Software Inc. was founded in February 1990 by [[Eric Iverson]], with the intention of offering an improved version of [[SHARP APL/PC]]. By this time Eric's father [[Ken Iverson|Ken]] had begun work with [[Roger Hui]] on the language [[J]] (in fact, the first public demo of J was also held in February 1990); the pair joined Iverson Software in May of that year. Eric adapted his SHARP [[session]] manager to work with Hui's J implementation, and J was first released at [[APL90]] in August 1990. Plans for a SHARP APL product were soon discarded. In 1994, the company hired [[Chris Burke]] to work on J's environment and libraries. In April 2000, it changed its name to Jsoftware; while the name Iverson Software Inc. is no longer used, it remains in the prefix "isi" used for some J tools.<ref>[[Roger Hui|Hui, Roger]]. [http://keiapl.org/rhui/remember.htm "Remembering Ken Iverson"]. November 2004.</ref> | ||
Ken Iverson died in 2004, leaving Eric, Hui, and Burke as owners of Jsoftware. In | Ken Iverson died in 2004, leaving Eric, Hui, and Burke as owners of Jsoftware. In 2009, Hui joined [[Dyalog Ltd.]], reducing his involvement in J development. J was made open source in March 2011.<ref>[[Eric Iverson|Iverson, Eric]]. [http://www.jsoftware.com/pipermail/programming/2011-March/022121.html "J Source GPL"]. 2011-03-02.</ref> | ||
Jsoftware | In 2012 [[Marshall Lochbaum]], then a summer intern at [[wikipedia:Thomasnet|ThomasNet]], began work on a modification of [[Chris Burke]]'s JDB database management system to add more powerful features such as joins. [[Eric Iverson]] soon joined the project and Jsoftware negotiated with ThomasNet to obtain copyright ownership. JD, or JDB+, was announced on July 23, 2012 at the Jsoftware conference.<ref>[[Eric Iverson|Iverson, Eric]]. "JD (JDB+) announcement". [https://code.jsoftware.com/wiki/Community/Conference2012 Jsoftware Conference 2012]. 2012-07-23.</ref> Now called Jd, it is maintained and sold by Jsoftware.<ref>Jsoftware. [https://code.jsoftware.com/wiki/Jd/Index "Jd/Index"].</ref> | ||
[[Henry Rich]], a long-time APL and J user, began work with Jsoftware on the J implementation in 2016. Version [https://code.jsoftware.com/wiki/System/ReleaseNotes/J805 J805], released December 19, 2016, is the first to feature his work.<ref>[[Eric Iverson|Iverson, Eric]]. [http://www.jsoftware.com/pipermail/programming/2016-August/045630.html "j805-beta-11 release candidates"]. 2016-08-23.</ref> | |||
== Conferences == | |||
{{Main|Jsoftware conferences}} | |||
Jsoftware has held at least five programming conferences to date: | |||
* 1996 J User Conference, [[wikipedia:Toronto|Toronto]], June 24–25th 1996<ref>Iverson Software Inc. ''J User Conference Proceedings''. 1996-06-24.</ref> | |||
* J2000, [[wikipedia:Toronto|Toronto]], October 4–6th 2000<ref>Faust, Anne. [http://www.jsoftware.com/pipermail/general/2000-August/003918.html J2000 User Conference]. J forums.</ref> | |||
* J2001, [[wikipedia:New York City|New York City]], October 18–19th 2001<ref>Faust, Anne. [http://www.jsoftware.com/pipermail/general/2001-April/006197.html J 2001 User Conference]. J forums.</ref> | |||
* [https://code.jsoftware.com/wiki/Community/Conference2012 Jsoftware Conference 2012], Toronto, July 23–24th 2012 | |||
* [https://code.jsoftware.com/wiki/Community/Conference2014 Jsoftware Conference 2014], Toronto, July 24–25th 2014 | |||
== References == | == References == | ||
<references /> | <references /> | ||
{{APL | {{APL development}}[[Category:Vendors]] | ||