AVS is a free source configuration management software, embedding a full bug tracking engine. Each version of controlled files is attached to a development task. The bug tracker allows user creating change requests, assign them, update their state, etc... Notification mails are sent on change request assignment. Every tasks are linked to a change request. Files can have parallel versions, a simple diff and merge editor is provided. Task check-in is atomic, and checks-in all the attached files. File and folder move operation keeps the historic. The build manager creates update template, dynamic for insulated or collaborative development, or static by manually selecting a list of closed tasks within a change request tree table. AVS embeds a full user management engine, with different levels of access. A predefined set of groups is provided, which can be modified after installation. AVS is a java software, relying on Apache DerbyDB, and http protocol between clients and server. Client application is deployed with JNLP.