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Licensing ST-v1


Common Licensing

Both Unison and DSPnano offer an identical dual open source and commercial licensing model. There are no differences between the two embedded operating system licenses.

Open Source License

The open source license allows users to take the software in binary form, develop an embedded solution, port the software to another processor variant and deploy a system all at no cost. The open source license requires all changes or modifications that are made to the operating system software or what could reasonably be considered operating system software be provided back to the community for inclusion in future versions.  It offers free trial versions and free prototype versions with time limitations.

The license agreement provides no indemnification - it is strictly use at your own risk.

Commercial License

The commercial license provides the ability to distribute from a few to an unlimited number of copies for a given product. It does not require any upgrades to be given back to the community but upgrades may be provided. Redistribution of changes and source code for the operating system is directed through RoweBots for commercial licenses for quality reasons.  Commercial licenses include full source code.

Commercial licensees are free to provide upgrades to the community at their discretion.

Commercial licensees are available with several options including: single product license, product line license, produce family license and architectural license. Details of these licenses are provided in the following table.


License Description
Single Product Used in one single product, typically for proof of concept approaches or research purposes.
Product Line Used on a line of products where all the products have the same function. An example would be a set of clothes dryer line where different units have different features.
Product Family Used on multiple products of different types which are related as a set of product lines. For example, this license would be used for a set of lines including washers, dryers and dishwashers with a common power meter.
Architecture Used on multiple products developed at a single site using the same architecture. For example, used for all ARM Cortex M3 products developed in San Jose, CA by international corporation ABC Widget Inc.


Understanding Open Source and Commercial Distribution Differences

 Feature  Open Source  Commercial
 Version  V4.0  V5.x
 Feature Set  Complete operating system, with a basic Kernel,  I/O, stdio, serial and multimedia file system.  Fully featured Kernel with select, join, barrier, extensive documentation and full  commercial  support, serial I/O, multimedia file system, and an extensive set of  add on modules.
 Documentation  Man pages and commercial books and reference material, quickstart guide.  Extensive documentation including programmer's guide, tutorial guide, quickstart guide and  man pages on all functions and servers. Additional commercial reference books and materials  available in the hundreds.
 Demonstrations  and Quickstart  8 demonstration programs and quickstrart guide to run these demonstrations in 10 minutes right out of the box.  60+ demonstration programs for all features running in 10 minutes out of the box with a step  by step quickstart guide.
 Free Add On  Modules  TCP/IP for non commercial use Source code
 Purchased Add  On Modules  POST, RTOS Viewer, Documentation with Source code   TCP/IP, NAT, DHCP server, PPP, Tftpd, Telnetd, posh shell, Thttpd, RTOS Viewer, posh, FAT  File System, NAND/NOR File System, POST, Diagnostics and much more.
 License Cost  FREE  $ per project, product family, product line, architecture.

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Rowebots Limited

RoweBots was founded in May 1987 by a group of Univer­sity researchers. From the outset, RoweBots had its roots in real-time multiprocessor software and has broadened into an embedded signal processing systems company today.

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