Best 10 Open Source Screen Recorder

Last updated on November 12, 2019 by Cindy Smith

Open source software lets all users’ study, customize, copy, and use in almost any way they need. In a nutshell, users can modify applications to rework or enhance them. It has various tools to use for editing the codes to be able to use the paid apps for free. This software is beneficial, especially for bloggers that are making video blogs and tutorials but can’t afford to pay the amount of the tools they need. Because the most popular open-sourced tools nowadays are screen recorders. In case you are looking for the most beautiful open source screen recorder, this article will provide you the best ten screen recorder for desktop and mobile devices.

Navigation of Contents
Free Screen Recorder Online

The first tool that we are going to use is Free Screen Recorder Online. This tool is a browser-based screen recording software that allows you to record mostly all on-going happenings on your PC screen easily. Only need to have is an internet connection to use this tool. Furthermore, this tool can perform equally to the tools that needed to be installed, because you can do screencast as much as you want. Follow the steps given below in sequence to use this online tool and know more of its features.

Step1 Run the online recorder

First, visit the official website of AceThinker Free Screen Recorder Online by using the link above, and click the “Start Recording” button to start recording your screen.


Step2 Start recording the screen

Once you open the tool, you will be able to start recording the screen. From its main interface, just hit the “REC” icon for the recording to take place.

start recording

Step3 Edit the video while recording

You can also add an annotation in real-time. To do that, click the “Pen” icon from the floating toolbar. It will show you the editing tools that you can use to enhance the video. To end the recording, click the “Stop” button from the toolbar. It will show you a “Check” icon where you can finish recording, and an “X” icon if you want to delete and start recording again. Once you finish recording, your record will automatically play. From there, you can save the recorded video to your PC.

draw button


  • Easy-to-use video recorder
  • Does not require you to install anything


  • Don’t have a strong video editing feature
AceThinker Screen Grabber Pro

Next on the list is Screen Grabber Pro, which is probably the most stable and robust screen recording application, among others on the list. Screen Grabber Pro works on both Windows and Mac computers, making it a very convenient tool to have. The tool offers both screen recording and screenshot taking functions that produce high-quality videos and images. This is one of the few screen recorders that allows real-time video editing, which is very convenient and saves a lot of time. The tool saves the videos it records, in default MP4 format, which the most popular format among devices to ensure that it will be playable on any device. Also, the tool can record both video and audio at the same time, making it great for creating instructional videos and other types of educational materials. To learn how to use this screen recorder and editor, you will have to follow the steps listed below.

Step1 Install Screen Grabber Pro on your PC

To use the tool, it must be installed on your PC first. By clicking one of the buttons below, the installer will be downloaded. Next, have the app installed and launched through the installation setup.

Try It Free

Step2 Run the software and select recording mode

After installation, run the program, and it should direct you to its main interface. Click on the “Record” section to reveal the drop-down menu. There are different recording modes that you can use when recording your screen activities. “Region” allows the user to select a part of the screen you wish to capture, while the “Full Screen” mode covers the entire screen area and includes it to the recording.

open source recorder step2

Step3 Begin recording

When the recording mode is set, you can immediately start the recording process by clicking the “Record” button. You can also make real-time annotations by clicking the “Pen” icon on the recording toolbar. To save the video, click the “Stop” button, and the recording process will end. To watch the video, look for it on the “Preview Panel” of the tool, and click the “Play” button. On the other hand, if you want to look for the actual file, click the “Open folder” button, and the file location will appear.

step 3


  • Allows you to schedule recording task
  • It can annotate in real time


  • Requires you to pay for its Lifetime License

Another solution you could utilize is CamStudio. Upon using the program, you will initially notice that it has a simple interface. From its main interface, you will already see all its significant buttons, and capturing desktop screens is just a click away. As you delve into the app’s settings, you will discover what it is more capable of. This enables you to export the recorded file in a wide range of formats along with the benefit of varying degrees of compression. With it, you will be able to adjust the balance between the file size and quality just right for your needs. On top of all these, CamStudio offers no restriction when it comes to the length of the recording. On the downside, most of the time that the installer of the program contains Chromium browser and some other potentially unwanted software.

set up camstudio


  • Its interface is so easy to use
  • No recording time limit for this tool


  • It is only available for Windows OS only
Open Broadcaster Software

OBS Studio is a software for recording your PC screen. This tool support not only the Windows platform but also Mac and Linux OS. By downloading its application, you can start recording high-quality videos quickly. Furthermore, this tool has a built-in audio mixer, where you can adjust the noise gate, noise suppression, and gain. You can take full control of the recording because of its Modular ‘Dock’ UI that lets you arrange the layout on your liking. This reason is enough for this tool to take the spot as one of the best-open-sourced screen recorders.

start record


  • It can be used by anyone for free
  • Has a variety of plug-ins that improves its performance
  • Can stream most of the live stream platform


  • Its interface can be confusing at first

ShareX is an adequate, stable, and free open-source screen capturing tool that can record your PC display in the high-quality output. With the name itself, ShareX, its primary purpose is to upload and share the captured videos online swiftly. In fact, within its interface, you can see all the recorded videos in a timely order. Furthermore, with its features, you can capture in multiple modes, like in full-screen view and regional mode, automated capturing that can be used, especially when putting time-lapse, and more. However, this tool is only available for Microsoft OS. On top of that, this app can provide all the needs for screen capturing.



  • It has a built-in editing tool
  • You can put hotkeys to make your work faster and easier
  • It can upload your recordings in a numerous way


  • It is complicated to use at first

The next open-source screen capturing program is VirtualDub. This is a video and screen capturing program that is developed for Windows platform users. The app is generally designed as a single video processing utility offering other tools like screen capturing, video conversion, and so much more. Through VirtualDub, you can record the activities on your screen in real-time, particularly great for making game tutorials or walkthroughs. However, if you are going to edit a video, you might this app lacking in some ways. The app can only handle basic editing tasks like converting scenes, merge videos, cut scenes, and add effects to the video. Despite that, the program delivers an impressive result in compressing videos with a large file size that helps you free up some hard-disk space.

virtual dub screen recorder


  • Measure frame rates
  • Compact with basic video editing tools


  • You need a little while to learn how to use the program

If you are looking for a good open-source desktop recorder, you should give SimpleScreenRecorder a shot. Tagged as free, the app is a simple and yet excellent program to record applications, video, games, and other on-going activities on your screen designed for GNU/Linux OS users. It provides support to X11 and OpenGL, which allows a 3D application recording session. It can even record OpenGL apps directly. Giving justice to its name, the app is indeed simple and comes with interesting features that are helpful and useful. Moreover, if you don’t have high-end computer specifications, the tool lets you adjust the video frame rates for a smooth and better experience when recording the screen.

simplescreenrecorder interface


  • Decent video and audio synchronization
  • Preview while recording


  • Available only for Linux users
UltraVNC Screen Recorder

You may also opt to UltraVNC Screen Recorder if you are not satisfied with the above open-source screen recording software. It comes with cool features essential to enhance your recording and editing videos. The app lets you set time when recording that would help you record screen, so you don’t have to stay in front of your computer for long. It supports platforms like Windows, Mac, and Linux. As for its video editing capability, it lets you access basic video editing features and effects to improve the overall look of your video. On top of that, UltraVNC Screen Recorder offers options for configuration of frame rate, quality, and compression control to get your desired quality and file size.

app interface ultravnc screen recorder


  • Simple and clear Graphical User Interface
  • Comes with Audio Mixer


  • Does not have significant updates

For Android users who are looking for an open-source android screen recorder, ScreenCam is worth considering. This app works perfectly on Android devices with Android version of 5.0 and higher. It lets you choose from different resolutions and adjust the frames per second as well for the best video quality output. Also, it gives you the ability to pause and resume your recording as long as your device is under Android Nougat and above. Another great feature of the program is that it can record audio from the mic and internal audio recording, just like what you would normally do in the desktop program. However, for you to access its internal audio recording feature, your device should be rooted and requires magisk module to activate.

screencam for android


  • Support camera overlay
  • Floating controls integration


  • Some premium features require rooted phone
DU Recorder for iOS

The last open-source screen recorder on this list is the DU Recorder, which is available to install for iOS devices. The developer claims that this app is one of the most reliable and easy-to-use screen recorder. With the help of its features, users can live to stream their screen to YouTube, Twitch, and other video sharing platforms. Regarding this, all output produced is ensured to be in the highest quality possible. One unique feature of the app is that it can be added directly to the iPhone’s control center for quicker access. Aside from that, it also showcases a video editing tool that can add effects or edit the video after it is recorded.

record screen


  • Supports 1080p streaming and recording
  • Offers other functions


  • Main interface contains ads
Comparative Chart

All the tools mentioned definitely are open-sourced. That is the reason why they are highly recommended for users looking for ways to capture their screen activities. To further give readers a better idea about each tool, here is a comparative chart between each screen recorder.

Free Screen Recorder OnlineCamStudioScreen Grabber ProOBS StudioShareX
High-resolution recording
Real-time annotations
Various recording mode
Multiple operating system
VirtualDubSimpleScreen Record UltraVNC ScreenCamDU Recorder
High-resolution recording
Real-time annotations
Various recording mode
Multiple operating system


Using open-source software is not bad, and many benefits for the users. However, being open source means that now and then, a new version will appear since anyone can modify the tool. Most of the time, when an open-sourced tool is updated, it is for the best. However, there are a lot of unnecessary updates that don’t have much effect on the performance of the tool. That is why it is better to use a straightforward tool, like Acethinker Screen Grabber Pro. This free screen recorder no watermark can fulfill your screen recording requirement with ease.

free music recorder

Rating: 4.8 / 5 (based on 104 ratings) Thanks for your rating!

Article Center

Category - Desktop Recorder

Best 10 Open Source Screen Recorder

May 5, 2017

Post By Cindy Smith to Screen Grabber Pro

Last updated on November 12, 2019

Get Converter App
Back to top
Contact Us