Contiki 2.5.rc1 Available for Download

Oliver Schmidth posted a note about Contiki 2.5.rc1 being made available for download this morning.  The suite allows complete connectivity for vintage computer platforms via ethernet to the Internet.  The full release follows:

Contiki 2.5.rc1 binary release for Retrocomputing’ has just been made available on

It’s a straight compile of the unmodified Contiki 2.5.rc1 sources avialable on….
using cc65 2.13.2

The major changes are:

– Support of the Atari 8-bit machines with the cart described on

– FTP client app (only download although UI suggests upload too)

– Twitter client with OAuth workaround (using

– New high contrast color scheme for Contiki UI apps on the C64

I hope that this release helps to foster further interest in creating new internetworked retrocomputing applications based on Contiki – or improving/extending the existing ones. Just a few examples that come into my mind:

– Add upload capabilities to the FTP client
– Add IMAP capabilities to the SMTP client
– Create an RSS feed reader

Contiki for Retrocomputing is meant to be a community project!

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About the Author

Bill Martens

A.P.P.L.E. Chairman of the Board and Club president -- Bill worked for the founder, Val J. Golding and A.P.P.L.E. from 1981 to 1982. In 1999, he began archiving the materials which were distributed and sold by A.P.P.L.E.. That project led to the group that remained of A.P.P.L.E. Bill was involved in the financial industry in Tokyo and has over 20 major office infrastructure projects to his name. In March 2001, he retired to write books and to spend more time pursuing personal interests. As the president of the users group, Bill is in charge of distribution of Call-A.P.P.L.E. magazine as well as the organization of this web site. Bill currently resides in Tokyo, Japan and Shelton, Wa splitting time between the places.