Instro

ambimus Instro, commonly known as Instro, is an operating system produced by Ambimus. While Ambimus designed its first operating system back in 1982, the Instro brand was introduced only in 1987.

The name comes from the Latin "īnstrūmenta", meaning "tools".

LS/OS (1982–1999)
While not bearing the name Instro, it was later bundled with Instro 1 and Instro 2.

Commercially released as a standalone product until 1992, supported until 1999.

Instro 1 (1987–1999)


Commercially released until 1991, supported until 1999. Required LS/OS to operate.

Instro 2 (1992–1999)


Commercially released and supported until 1999. Required LS/OS to operate.

InsTre (3; 1995–2002)


The name is a portmanteau of Instro and tre (Italian for "three"). This is the first OS not to require LS/OS to operate, although it included a feature that allowed the user to switch to LS/OS and back. Commercially released and supported until 2002.

Instro 4 (4.0; 1997–2007)


Commercially released until 2002, supported until 2007.

Instro 4 Novo (4.1; 1999–2012)


4 Novo showed a few differences from 4, such as the Switch to LS/OS feature being removed, the web browser Kikero being included in the OS, as well as some new programs and bug fixes. Commercially released and supported until 2012.

Instro Glass (5; 2004–2017)
Commercially released until 2011, supported until 2017.

Instro Intuito (6; 2007–2020)
Commercially released until 2014, support ending in 2020.

Instro 7 (2011–present)
Still commercially released and supported. First OS to be featured in Pebble devices.

InstRevo (8; 2015–present)
The name is a portmanteau of Instro and Revo, short for "revolution". Still commercially released and supported.

Instro 9 (2019-present)
Set to be released in 2019.