When comparing Adobe After Effects CC vs KDENlive, the Slant community recommends KDENlive for most people. In the question“What are the best and easiest tools for editing and creating video animations for Windows?” KDENlive is ranked 1st while Adobe After Effects CC is ranked 4th. The most important reason people chose KDENlive is:
Kdenlive is licensed under GPLv2, and built on top of other open source projects like FFmpeg.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Great for motion graphics compositing
Ae is the de facto standard for motion graphic design.
Pro Huge amount of resources
Because of the popularity of Ae, there are a plethora of tutorials, presets, plug-ins, etc that can be used.
Pro Extensive plug-in support
After Effects has extensive plug-in support. A broad range of third party plug-ins are available including solutions for particle systems, 3D environments and grading.
Pro C4D Lite & Cineware integration
After Effects CC includes a Lite version of MAXON CINEMA 4D, a 3D modeling, animation and rendering application.
Pro 3D camera tracker
Pro Speedy and comfortable UI
After grasping what panels do what, the workspace feels safe and comfortable. And the timeline moves and shows things how you would expect it to.
Pro Works well with other Adobe software
This program is made to interact very well with the other Adobe production apps like Premiere Pro, Soundbooth, Photoshop and others. You can dynamically link with a set list of Adobe software so when you update something in Ae it will update in other software accordingly.
Pro Subscription / cloud-based model
Ensures you always have the latest version of the software. Allows saving preferences in the cloud, so you can load them on a different machine. You can even sync setting from a different user.
Pro Subscription based model
You constantly have the latest software that is updated regularly.
Pro Ray-traced and extruded text and shapes

Pro Open Source
Kdenlive is licensed under GPLv2, and built on top of other open source projects like FFmpeg.
Pro Works great as an audio editor
Audio is edited in the same way as video, which makes it one of the best audio editors.
Pro Surpisingly complete
Although this editor is not up with the top of the professional pack of editors, it certainly packs a powerful punch, and should provide enough features for amateur montages, ranging from alpha manipulation, to multiple audio and video live track editing.
Pro Its great for learn the basics of video-editing
Pro Subtitles included
Cons
Con No true 3D environment for compositing
Con No real-time features
Con Costly
The Adobe subscription costs are quite steep for anybody on a shoestring budget.
Con No stereoscopic editing support
Con It's laggy and freezes, with some chance of crashing
Con Timeline cursor is not working
Timeline cursor is not working well on Kubuntu, very difficult to use it. You have to switch all the time between project monitor and clip monitor to get it work.
Con Dose not work well in Windows
They do not support windows well like other distribution. You will face a lot of problems.
Con No hardware acceleration
If you don't have a CPU that's good for video encoding, the render time can be quite bad.
Con Does not have good distribution channel
You have to go to their website to get newest version, does not auto update via package manager.
Con Doesn't support multi frame-rate video editing
When you choose the mixed frame rate option, your video with 60 fps will be broken (slow down and trimmed).
(This con might be just misunderstanding of how to do video editing and production from the user who typed in).
