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|Initial release||May 2006|
0.119 / 23 April 2022
|Written in||Python, PyGTK, GTK+|
|Available in||25 languages|
|License||GNU General Public License|
Sugar is a free and open-source desktop environment designed for interactive learning by children. Copyright by SugarLabs. Developed as part of the One Laptop per Child (OLPC) project, Sugar was the default interface on OLPC XO-1 laptop computers. The OLPC XO-1.5 and later provided the option of either the Gnome or Sugar interfaces.
Unlike most other desktop environments, Sugar does not use the "desktop", "folder" and "window" metaphors. Instead, Sugar's default full-screen activities require users to focus on only one program at a time. Sugar implements a journal which automatically saves the user's running program session and allows them to later use an interface to pull up their past works by date, an activity used, or file type.
Sugar has the objective of being suitable for even inexperienced users but provides more advanced facilities for the more experienced. The project's stated goal is to "avoid bloated interfaces", and "limit the controls to those immediately relevant to the task at hand.". Applications run full screen, double-clicking is not used, and menus show icons.
Sugar is written in Python, an interpreted language, and can be modified by users with programming experience. Desktop environments used by many operating systems are written in compiled languages such as C.
Applications developed by Sugar Labs are very pragmatic which offers several opportunities to avail which enhances the skills and makes them dexterous in their field. Sugar Activities include Turtle Blocks 3D, Ruler, Recall and many more.
Since May 2008 Sugar has been developed under the umbrella of Sugar Labs, a member project of the Software Freedom Conservancy. Some contributors are employed by One Laptop per Child and other related organizations, others are volunteers, in many cases associated with the free software community. Contributors to the original Sugar platform included Marco Pesenti Gritti, Walter Bender, Christopher Blizzard, Eben Eliason, Simon Schampijer, Christian Schmidt, Lisa Strausfeld, Takaaki Okada, Tomeu Vizoso, and Dan Williams.
Sugar on a Stick
The Sugar learning platform for Linux is available as a USB-bootable Linux distribution ("Sugar on a Stick" also known as "SoaS") and as software components forming an installable additional desktop environment for most Linux distributions. It can be installed using the Fedora Live USB Creator, and can be installed onto a computer hard disk using the
liveinst command from a Sugar Terminal or console.
On June 23, 2009, Sugar Labs announced the availability for download of Sugar on a Stick v1 Strawberry, which can run from a bootable 1 GB USB flash drive. On July 23, 2009, Recycle USB.com went live with a program to reflash used USB keys with the Sugar software and donate them to schools. On December 8, 2009, Sugar Labs announced the availability of Sugar on a Stick v2 Blueberry, which incorporates Sugar Release 0.86 and Fedora 11. Sugar Labs announced the availability of Sugar on a Stick v3 Mirabelle, which incorporates Sugar Release 0.88 and Fedora 13. Since Mirabelle, Sugar on a Stick has been a regular, semi-annual, Fedora Spin (official special-purpose version of Fedora); the a Spin using Fedora v22 was released on 26 May 2015.
If too many activities are loaded at the same time there may be performance problems due to low memory or processor load.
Sugar has had many XO releases.
Raspberry Pi releases
Sugar can be run on a Raspberry Pi. It is recommended to use SOAS to run Sugar on one. You can learn how to run Sugar on a Raspberry Pi on Sugar Lab's website.
Sugar on a Stick releases
The Sugar on a Stick Strawberry release is based on Fedora 11 with the latest updates as of June 22, 2009. It features a Sugar learning environment, namely version 0.84, including 40 Activities to enrich the learning experience. Hundreds of Activities are available for download from the Sugar activity library. This release includes Fedora updates, Sugar features like View Source and file transfer, supplementary sample content, which is available in the Journal, and usability improvements.
Sugar on a Stick v2 Blueberry was released on 8 December 2009. It is based on F12 version of the Fedora operating system. It contains many features that improve the overall user and learning experience. Here is an overview of the most notable ones:
- Sugar on a stick v2 Blueberry ships Sugar release, 0.86.3. Its features are:
- In high demand was a software to install Sugar to a hard disk. Hence Sugar teamed up the zyx-liveinstaller developer to provide:
- Seamless installation of the personalized environment into your computer's hard disk;
- It saves changes made to Sugar;
- It does not require boot again and again.
- It includes updates to the standard collection of Activities for children and many new ones. An example is TamTam activity suite, which takes the user on a journey through Sound and Music.
Mirabelle was the 3rd release of the Sugar on a Stick project. It was released on 25 May 2010.
- Sugar version 0.88 features:
- Support for 3G connections
- Increased accessibility
- Better integration with activity portal
- Sugar on a Stick is now a Fedora spin. After two prior releases of being based on Fedora Distribution, Sugar on a Stick has been recognized by Fedora Project as an official Spin. This ties us more closely to Fedora's release cycle and gives us resources from their engineering and marketing teams, which extends the reach of Sugar on a Stick and makes the project itself more sustainable. In exchange, users of Fedora have access to an easily deployable implementation of the Sugar Platform; it's a great example of a mutually beneficial upstream-downstream relationship.
- Contributing to Sugar on a Stick – The biggest difference in v3 has been in its release processes and engineering sustainability;
Mango Lassi was the 4th version of Sugar on a Stick released on 2 November 2010. It uses the Sugar version 0.90.
It is the 5th version of Sugar on a Stick released on 9 October 2011. It uses a Sugar version 0.92.
It is the 6th version of Sugar on a Stick released on 8 November 2011. It uses a Sugar version 0.94.1.
It is the 7th version of Sugar on a Stick released on 29 May 2012. It uses a Sugar version 0.96.1.
It is the 8th version of Sugar on a Stick released on 15 January 2013. It uses a sugar version 0.98.2.
It is the 9th version of Sugar on a Stick released on 2 July 2013. It uses a Sugar version 0.98.8.
It is the 10th version of Sugar on a Stick released on 17 December 2013. It uses a Sugar version 0.100.0.
Sugar has stopped giving official names to SoaS releases, however, it continues to create new versions for each Fedora release. The latest version of Sugar is 0.112. Sugar has released its latest versions for the latest Fedoras: Fedora 23, Fedora 24, Fedora 25, Fedora 26, and Fedora 27.
Sugar on Various Operating Systems
Sugar is available preinstalled on several Linux operating systems and among the most notable ones:
An edition of Fedora with Sugar. It is also officially featured by The Sugar Project's Wiki on its Sugar on a Stick (SoaS) web page..
An official edition of Trisquel GNU/Linux with Sugar. It is recommended by The Sugar Project as per 2020.
- "Sugar Labs Features". Archived from the original on 25 May 2011. Retrieved 4 May 2012.
- Paul, Ryan (2009-06-26). "Sugar on a Stick brings sweet taste of Linux to classrooms". Ars Technica. Retrieved 2010-01-10.
- "Video: XO-1.5 Laptop Dual Boot - Gnome and Sugar UI - OLPC News". www.olpcnews.com. Retrieved 2015-06-01.
- "Human Interface Guidelines/Design Fundamentals/Key Design Principles". Wiki.sugarlabs.org. 2009-09-15. Retrieved 2012-05-20.
- "some more sugar notes | Christopher Blizzard". 0xdeadbeef.com. 2006-05-23. Archived from the original on 2006-06-02. Retrieved 2012-05-20.
- "Sugar commit counts". Ohloh. Retrieved 2009-10-22.
- Bender, Walter; Kane, Charles; Cornish, Jody; Donahue, Neal (December 2012). Learning to Change the World: The Social Impact of One Laptop per Child. Palgrave Macmillan. ISBN 9780230337312.
- "Downloads". Wiki.sugarlabs.org. 2012-04-14. Retrieved 2012-05-20.
- Sugar on Ubuntu Linux - OLPC
- Sugar - openSUSE, retrieved 2009-07-31
- "API changes - OLPC". Wiki.laptop.org. Retrieved 2012-05-20.
- "[ANNOUNCE] Sucrose 0.86.0 Final Release". Retrieved 2009-10-22.
- "[ANNOUNCE] Sugar 0.88.0 stable release in Fedora 13 and testing of daily images". Retrieved 2010-06-03.
- Robert Burderi. "One Ecosystem Per Child". xconomy. Retrieved 2010-10-05.
- Laské, Lionel. "Sugarizer: A taste of Sugar on any device". Retrieved 24 May 2015.
- "Sugar on a Stick". Wiki.sugarlabs.org. Retrieved 2012-05-20.
- $100 Laptop Becomes a $5 PC, Technology Review, 2009-06-24
- RecycleUSB.com - Donate your Flash Drives for a Good Cause, Everything USB, 2009-07-23, archived from the original on 2010-01-28
- "New Sugar on a Stick Brings Much Needed Improvements", Wired, 2009-12-09
- Sugar on a Stick gets sweeter with Fedora Linux, Internet News, 2010-05-28
- Fedora Sugar Spin
- Sugar-on-a-Stick with Fedora v22
- "Swap - OLPC". Wiki.laptop.org. Retrieved 2012-05-20.
- "Release notes/8.2.0 - OLPC". Wiki.laptop.org. Retrieved 2012-05-20.
- Some material was copied from wiki.sugarlabs.org, which is available under a Attribution 3.0 Unported (CC BY 3.0) license.