activeCollab is a project management & collaboration tool that you can set up on your own server or local network. Work with your team, clients and contractors in easy to use environment, while keeping full control over your data. More info »
Includes billing, invoicing, salary management, reports, and much more
[Edited by wiNniehooper, May 10]
ProofHub is a web based project management and collaboration software that helps you manage, schedule, discuss, work and communicate with your clients and team members. Source: http://www.proofhub.com/
A great alternative to for billing and project management... Try also Ronin: http://alternativeto.net/software/ronin/
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