Pros: Diversity of features. It covers calendar integration, task management, expense and time tracking, client estimates and invoicing is integrated, discussions with clients are threaded and neatly organized at all times, file uploads that act as a mini-Dropbox for yourself and your clients, notes, facebook-style timeline of the activity within each project... And I haven't even touched on the level of customization, multitude of extensions (Zapier included), scalability (with self-hosted options!), and the iOS app that works with either cloud or self-hosted versions (our clients LOVE the app). We love ActiveCollab because of it's diversity. That's the one reason that in our opinion, it's simply irreplaceable. Having to replace it would be like adding tripling the administrative work on our plates. It replaces the need for multiple separate services that do each of those things separately. Who wants that when you can have one single login to one single system that can rule them all? ;) SIMPLY. IRREPLACEABLE.

Cons: The iOS and Android apps needs some work. They don't do as much as the desktop version, so they feel limited. They don't really take advantage of features like gestures or multi-touch, which every smartphone has. We'd really like to be able to upload more than just pictures from the camera roll; some kind of file picking, or option to upload to ActiveCollab from another app (share sheets) would go a LONG way. Optimization for tablet-size screens would be sweet too, along with the simple ability to make text in the app bigger or smaller, so it's easier to read. The calendar allows for syndication via subscription links, but stopping there feels premature. It would help a lot to be able to integrate to Calendar apps (via CalDAV), since the calendar isn't available on the mobile app either. It would be really nice so that we can add or edit events from our native calendar apps of choice. Support is fantastic, and extremely knowledgeable. We run a self-hosted installation, which is more economical for us, but we don't have pros running our server environment. That task falls on us, teaching ourselves as we go, and it feels like support will drop clues about what an issue is, instead of going the distance and going in themselves to help fix the problem. Granted, that's more of a problem with /us/, since we're business administrators and not experts in server management. But support will not abandon you. They've always got your back, no matter how tough the problem!

Comments: ActiveCollab keeps us organized and on task. It's a great snapshot of our client work at any given point. We have many moving parts, and ActiveCollab allows us to really stay on target with our goals and on task with our clients.

Pros: I own and operate a company that specializes in creative strategy and marketing/PR services and this is a good fit for us. I spent many months and went through quite a few trials researching a software that had as many features combined that we were looking for. We settled on ActiveCollab and we're very happy with them. It's a great option without the price tag and disorganization the later versions that Basecamp brings. I like the customization features as well as the billable categories for tracking and reports. We work with contractors in our business and we like the ability to assign tasks and hide back office items from the client. Their customer service has been very responsive and helpful throughout our set up and we're overall very happy with the product and functionality for our needs. Overall good UX / UI.

Cons: We're finding the reports options are a little bit limited, however it hasn't been a huge issue. We're getting most of the data we need. We really wish we could assign tasks to multiple people, but that seems to be a common theme among these software options. I don't understand why as we have many tasks that are worked on by multiple people. This carries over into the time tracking app. If you aren't assigned a task, it won't show up in the time tracking app for you to track against. However the work around is you can add a time report in the desktop version after the fact to any task regardless of who it assigned to. The budget feature per project is nice, however, we wish we could break it down further by task list. Their great customer service has passed this along to the management and dev team for consideration so fingers crossed it will be coming in an update at some point.