Just saw this on Github:
https://github.com/A2osX/A3osX
Any remarks? :-)
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A3osX
Introduction
A3osX is an operating, programming and execution environment for the Apple
/// and Apple ///+ computers. While layered atop of SOS, taking advantage of
all SOS block devices and MLI calls; A3osX is much more than an application
or command shell. Written in 6502 assembly for speed of execution and
efficient memory management; A3osX is a multitasking and yes multi-user
development environment bringing many of today's server operating system
features to our venerable vintage 8-bit systems.
The foundation of A3osX enabling its multi-user multitasking capabilities is
a reusable set of APIs and LIBs (written in Assembly) that all programs can
and do use which make them very lean and fast. For instance, there is one
network API that any program can call which in turn handles the I/O to
different brands of LAN cards via a set of drivers. In addition, multiple
programs can be using the network at the same time such as the TELNETD
server and the TELNET client. A key benefit is that code for each program is
smaller because the network API is doing a great deal of the work. With CORE
APIs like printf and LIBs such as Network loaded only once (much like a DLL
in Windows) memory is conserved, providing more resources to support your
A3osX programs.
Requirements
A3osX is designed to work on any Apple /// or Apple ///+ computer.
How You Can Help
The A3osX Team welcomes your help in making this the best operating
environment for the Apple ///! Specifically, the more users who can test the
most current RELEASE, CANDIDATE or STABLE media on their unique hardware and
report back their findings, the better A2osX becomes. In addition, comments
on, suggestions, or contributions to our documentation are greatly
appreciated. Lastly, A3osX would not be what it is without our great core
development team. We could certainly use more developers, especially in
Assembly (S-C Assembler familiar even better) to contribute new utilities,
applications and features for A3osX.