AVS 4.0.2 is among the best free source configuration management software.

Major features

1. The program can embed a full bug tracking engine.
2. Each version of controlled files is attached to a development task.
3. The bug tracker allows user creating change requests, assign them, update their state, etc...
4. Notification mails are sent on change request assignment.
5. Every tasks are linked to a change request.
6. Files can have parallel versions, a simple diff and merge editor is provided.
7. Task check-in is atomic, and checks-in all the attached files. File and folder move operation keeps the historic.
8. 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.
9. 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.
10. AVS is a java software, relying on Apache DerbyDB, and http protocol between clients and server. Client application is deployed with JNLP.

Improvements of this version: Now delivered as a web application for Tomcat/PostgreSQL

Requirements: 512Mo RAM PIII 2GHz