Collaborative tools and consulting firm CollabNet says the BSD-licensed version control system it has sponsored for three years has achieved a stable release. Subversion 1.0 is intended as an enterprise-ready replacement for CVS (Concurrent Versions System) that, when combined with “CollabNet environment” tools, creates a fully-functional Software Configuration Management System (SCMS).

CollabNet CTO Brian Behlendorf, known for founding the Apache project, says CollabNet has invested millions in Subversion, hiring four developers to initiate the project and providing hosted development services at its “Tigris” open source community. CollabNet owns the copyright to Subversion, but licenses it under an Apache/BSD-style license compatible with the Debian free software guidelines.

CollabNet says that Subversion offers several distributed software development features not provided by CVS, including: versioning of directories, copies, renames, and file meta-data; truly atomic commits; enhanced network capabilities; using standard protocols supported by the Apache HTTP Server (including WebDAV/DeltaV); more efficient handling of binary files; and very efficient branching and tagging.

CollabNet will support Subversion as an integrated component of the CollabNet environment in the second quarter of this year. It says the software is already in use on 1,400 servers, and has been self-hosting since the first year of development. CollabNet announced Subversion 1.0 at the Open Source Business Conference this week in San Francisco.

The “CollabNet environment” includes software development, knowledge management, and project communication tools in a project-centric Internet workspace.

"Subversion developers working for CollabNet succeeded in building not just a great platform for revision control; they have also built a powerful developer community that is actively evolving Subversion into an enterprise-class application,” said Behlendorf.

More details about Subversion can be found in the Subversion FAQ.

 
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