|This article needs additional citations for verification. (November 2014)|
|Source model||Open source together with Free Software and with some closed source components (like UI, Silica, also can include other Third Party Software under separate licenses like e.g. Alien Dalvik or HERE (Nokia))|
|Latest release||220.127.116.11 / May 4, 2015|
|Marketing target||Mobile and general purpose|
|Package manager||RPM Package Manager|
|Platforms||32-bit ARM and 64-bit x86|
|Kernel type||Monolithic (Linux)|
|License||1) Jolla's "goal with the Sailfish OS is to develop an open source operating system in co-operation with the community" 2) and which can also be licensed to other vendors with appropriate license agreements. |
Sailfish OS is an open source, of general purpose and mobile operating system combining the Linux kernel for a particular hardware platform, the open source Mer core middle-ware, the proprietary UI software written by mobile software developer Jolla and other Third Party software under separate licenses can be included. Sailfish is being developed by Jolla in cooperation with the Sailfish community and the MER project community and corporate members of the Sailfish Alliance. Sailfish is used in the Jolla smartphone, in the upcoming Jolla Tablet, and by other licensees. The OS is full Linux of general purpose as it is continuation of Linux MeeGo developed by partnership of Nokia & Intel. Currently is targeted at mobile devices and is also intended to support other devices.
- 1 Software architecture
- 2 Software overview
- 3 Hardware overview
- 4 OS development status
- 5 See also
- 6 References
- 7 External links
The Sailfish OS and the Sailfish software development kit (SDK) are based on the Linux kernel and Mer. Sailfish OS includes a multi-tasking graphical shell called "Lipstick" built by Jolla on top of the Wayland display server protocol. Jolla uses free and open-source graphics device drivers but the Hybris library allows use of proprietary graphics device drivers for Android. Jolla's stated goal is for Sailfish to be open source eventually.[needs update?]
Sailfish OS SDK
The Sailfish OS SDK was announced in Helsinki at Slush in 2012, and the alpha was published in February 2013. The SDK, installation and coding tutorials are available for free download from the Sailfish OS website although the overall license is not open source.
Sailfish SDK uses Qt with VirtualBox for development, compiling and emulation purposes, in contrast to simulation method. This technique allows compilation on the Sailfish OS and full testing of developed software in the virtual machine, emulating but not simulating the whole Sailfish OS. The technique also separates development activities and side effects from everything else running on the host particular computer, leaving it undisturbed by developments and tests. According to Jolla, development with Sailfish SDK is development on Sailfish OS itself; there are no differences between developed software appearance and behaviour in the SDK and on a device running Sailfish OS.
The availability of source code to the SDK allows shaping and rebuilding for companies' or developers' specific needs, creating a context-specific environment that is set once and needs no preparation when the device is booted. The SDK runs on the operating systems Android, 32- and 64-bit versions of Linux, 64-bit versions of OS X, and Microsoft Windows. It can be used for compiling software for Sailfish OS devices from Linux sources. Its general console/terminal mode follows a commonly used standard. A compatible binaries or libraries can also be used.
Application programming interfaces
SailfishOS uses open source Qt APIs (Qt 5, QtQuick 2 etc.) and a closed source Sailfish Silica for the UI. Standard Linux APIs are provided by the Mer Core.
SailfishOS has three naming conventions: version number, update number and version name. Each Sailfish OS version will be named after a Finnish lake.
|Software version||Release date||Name|
|27 November 2013||Kaajanlampi|
|v18.104.22.168||9 December 2013||Update 1, Laadunjärvi|
|v22.214.171.124||16 December 2013|
|v126.96.36.199||27 December 2013||Update 2, Maadajävri|
|v188.8.131.52||31 January 2014||Update 3, Naamankajärvi|
|v184.108.40.206||17 March 2014||Update 4, Ohijärvi|
|v220.127.116.11||11 April 2014||Update 5, Paarlampi|
|v18.104.22.168||24 April 2014|
|v1.0.6.x||N/A||Update 6 was merged into Update7|
|v22.214.171.124||9 June 2014||Update 7, Saapunki|
|v126.96.36.199||14 July 2014||Update 8, Tahkalampi|
|v188.8.131.52||6 October 2014|
|23 October 2014||Update 9, Uitukka|
|24 October 2014|
|v184.108.40.206||18 December 2014||Update 10, Vaarainjärvi|
|v220.127.116.11||19 December 2014|
|v18.104.22.168||19 February 2015||Update 11, Yliaavanlampi|
|v22.214.171.124||25 February 2015|
|v1.1.3.x||N/A||Update 12 was merged into Update 13|
|126.96.36.199||16 April 2015||Update 13, Äijänpäivänjärvi|
Note: For readers not speaking Finnish it might be difficult to remember Finnish words. However, it might be helpful to note that the names start in the order of the Finnish alphabet (Q, X, and Z are missing, probably because no Finnish word starts with those letters, W is not considered a letter in Finnish. R and Å seem to be skipped with updates 6 and 12.)
Software and porting
Sailfish is able to run most applications that were originally developed for Android, in addition to native Sailfish applications. This was done in collaboration with the creators of Alien Dalvik, Myriad Group. As Sailfish OS is a GNU/Linux-based operating system, it is also possible to install other GNU/Linux applications on it.
A number of projects successful on other platforms are migrating to become native Sailfish OS applications. This gives abandoned Harmattan or Symbian projects a new life. Porting Qt-written projects may take only a few hours. This process is supported; for this purpose sailfish.org collects and publishes an online compendium of knowledge, links and instructions on:
- software porting and migration to Sailfish OS
- similarities and differences between Harmattan and Sailfish
- guides how to port MeeGo 1.2 Harmattan applications for the Nokia N9 to the Sailfish OS devices
- porting framework (Qt 4 to Qt 5, SDL 1.2 is SDL 2.0, Debian packaging is RPM packaging)
- application porting tutorials and examples (QtQuick QML applications, the Flickr application Qt 5, SDL / OpenGL ES applications)
- Qt Quick Components map to Sailfish Silica.
It gathers and links development resources of different kinds and origins.
Advantages of the Mer standard
Sailfish OS can be used on any hardware with a Linux kernel supported by the Mer core distribution. A list of devices running Sailfish has been created by enthusiasts. Rather than designate a specific reference hardware platform, a VirtualBox implementation with the Sailfish OS SDK is available for development on popular operating systems Linux, OS X and Windows. This VM contains the whole Sailfish OS isolated from local resources to enable comfortable work. This allows evaluating coded or ported software behaviour and performance in future on any real device and safe experimenting de facto on Sailfish OS itself.
Devices running Sailfish OS
- Acer Iconia Tab W500
- Google Nexus One
- Google Nexus 4
- Google Nexus 5
- Google Nexus 7
- HP Mini
- HTC Desire HD
- HTC Desire Z
- Nokia N950 and Nokia N9 - during several presentations given by Jolla
- O2 Joggler
- OnePlus One
- PackardBell Butterfly Touch
- Raspberry Pi2 - due to used ARM Cortex-A7 CPU, Raspberry Pi1 has ARMv6 with different architecture and Sailfish requires ARMv7
- Samsung Galaxy S3
- Samsung Galaxy Nexus
- Xiaomi Mi2
OS development status
Sailfish OS is promoted and supported by the open Sailfish Alliance established in 2011, a group established to unite OEM and ODM manufacturers, chipset providers, operators, application developers and retailers. On 16 August 2012, the user interface was reported to be ready for release. Jolla's CEO Jussi Hurmola stated in a ZDNet interview, " ... Our UI is ready now, we haven't released it yet, we will save it for the product launch and the platform is getting up now so the project looks pretty nice".
The next day, Jolla's CEO Marc Dillon said on social networking website Twitter that the company had reached the first development target. Sailfish was debuted by the Jolla team, including a worldwide internet stream, as a demo of the OS, and the UI and SDK during the Slush event in Helsinki, Finland, on 21–22 November 2012. The alpha stage of Sailfish OS SDK was published at the end of February 2013 and was made available for free download.
On 16 September 2013, Jolla announced that its OS had been made compatible with Android applications and hardware. The first telephone to use it was launched on 27 November 2013 at a pop-up DNA Kauppa shop in Helsinki. The first 450 telephones were sold at this event, while the rest of the preordered devices were shipped shortly after.
On 18 May 2015, it was announced that the Russian government intends to make it official for use in its country. 
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- Official website
- Jolla website
- Programming for Sailfish OS with the Sailfish OS SDK - by Leszek Lesner
- FlyingSheep on Sailfish - good reading for developers and porting from MeeGo Harmattan to Sailfish OS