About ActiveCollab

Manage projects, track time, and bill your clients with one easy‑to‑use collaboration tool.

Our Story

We're privately owned, 30 people strong, and have over 10 years of experience in developing project management software.

ActiveCollab began as a successful open-source project, which later grew to be a very successful commercial product. All we care about is developing exceptional software and making ActiveCollab the best project management tool in the world.

Help & Support

At your service! Check out our help guides or get support via email every workday (8AM - 11PM CET)

  • Schedule a call

    Choose time
  • General inquiries



    A51 d.o.o., Novosadskog sajma 4A/30
    21000 Novi Sad, Serbia


    101 West Main St, Suite 101
    23510 Norfolk, Virginia, USA

    Send us a message

    Thank you for getting in touch!We try to respond as soon as possible, so one of our Customer Service colleagues will get back to you within a few hours.Have a great day ahead!

    Something went wrong. If you can't submit the form after a few retries, please send an email to contact@activecollab.com