Welcome to the Home Page of the Alpha project.

The Alpha project is a complete rewriting of the Alpha text editor for Mac OS X based on the Cocoa framework. The previous version of this editor, named Alpha and still available here, was based on the Carbon framework. This technology is now obsolete and modern development for OS X is done based on the Cocoa framework. This is the reason why Alpha needs to be rewritten from scratch.
Alpha is a new core basis to run the AlphaTcl library (see the AlphaTcl project at SourceForge). The AlphaTcl library is simultaneously updated in order to benefit from the new possibilities provided by the Cocoa model.
The Alpha project is an Open Source project. It is currently in an early development stage. This page is a first entry into the project. It is meant to provide information about the development progress and instructions to compile Alpha and all its components.


The Alpha project is an Open Source project hosted by SourceForge: Alpha project home.

Download binaries

Preview releases are regularly published at SourceForge. Alpha is at an intermediary stage of its development cycle (9.0b1), so do not expect too much from these releases. They are provided on an AS IS basis and you use it AT YOUR OWN RISK. See below how you can report bugs.
They are intended
  1. for beta testers to exercise the application and report any bugs they encounter ;
  2. for developers and maintainers of the AlphaTcl library to discover the facilities offered by the new core and use them to modify some packages.
The most recent release is Preview Release BR1. Here is the URL to download the disk image:

Download the source code

The latest state of the source code can be obtained from the Subversion repository with the following command:
    svn checkout http://svn.code.sf.net/p/alphacocoa/code/ Alpha
You can also browse the Subversion repository

Compile from sources

Since Alpha is in an early development stage, no binary is officially provided yet but you can compile it from the sources. There are detailed instructions on the page Compiling Alpha.

Developers Help

Here are a few links to pages containing useful information for developers and maintainers of AlphaTcl packages.
Commands Status page indicates the current implementation status of the core commands. It is also a useful reference to find out what is the replacement for an obsoleted command.
The Commands Changes page contains information about the changes which occurred in the Alpha core commands (compared to the Alpha version). Some of them have become obsolete, some have a modified syntax, some remain unchanged. There are also new commands which did not exist in Alpha. Almost all the commands have now been reimplemented, but this page might still evolve.
The Commands Syntax page is the entry point to the syntax of all the core commands.
The Commands Reference page is the entry point to the reference for the complex core commands.
The Alpha Commands page contains the syntax of all the core commands grouped thematically.
The Alpha Topics page gives access to various topics and thematic help pages.

Bug reports

Bugs can be officially reported via the
Bug Tracker of the project.

Mailing lists

For any questions, problems, suggestions etc. about Alpha, you can use the alphacocoa-devel mailing list: click here to subscribe/unsubscribe.
To post a message to the list, send an e-mail to mailto:alphacocoa-devel@lists.sourceforge.net.
To see the collection of prior postings to the list, visit the Alphacocoa-devel Archives.


Alpha has a Wiki site for discussing ideas related to its development.

Last updated 2017-02-25 18:14:05

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