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[Free] 12 Best Open Source Screen Recorder in 2021

Jane Zhou Updated on Oct 12, 2021| min read

Nowadays, most of you have a great demand for the best free screen recorder, as you more or less need to record online meetings, capture live streaming audio/video, make tutorial videos, or others. While choosing the screen recording programs, you may get confused, as some are free, some are paid, some are complex to use...

We have tested and chosen the best 10 open source screen recorder, which can work on Windows, macOS, and Linux computers. You can pick the best one that suits your needs best to do your screen recording activities.

[Recommended] EaseUS RecExperts - Easy-to-Use Screen Recorder 

EaseUS RecExperts is a fantastic screen recorder that is widely used by all levels of users, and it is compatible with both Windows and macOS computers.  

This screen capture software enables you to capture your screen, audio, webcam, and even gameplay flexibly without any lag, so you can choose the most suitable recording tool to capture what you need. With its help, you are able to record live streams, meetings, online courses, etc. without much effort. Apart from that, it is also a video editor that lets you modify your recordings by trimming, adding Intros, extracting audio tracks, and many more. 

EaseUS Screen Recording Software

  • Easy and intuitive workflow
  • One-click to record part of screen or capture full screen 
  • Capture popular videos in high resolution
  • Support schedule recording to set the start/stop time 
  • Export the recordings in more than 10 formats

Top 1. OBS Studio 

OBS Studio is one of the most popular open source screen recorder software on the market. This video recording software provides further customization and functionality to your needs. Using it, you can record your screen, live streaming audio/video, or capture video from multiple resources like images, webcam, browsers, etc.

Besides, it is also a screen recorder without time limit. Also, this open-source screen capture offers custom transitions, advanced filters, color correction, and many more to apply to your recorded video clips.

Features:

  • Compatible with Windows, macOS, and Linux
  • No time limitation while recording
  • Offer high performing audio mixer with noise reduction ability
  • Support basic editing tools, like adding transitions and filters

Open source screen recorder  - OBS

Top 2. ShareX 

ShareX is a free and open source video capture software, which allows you to capture your screen area, including the full screen, a locked window, or a specific area.

Or you can record videos in different shapes like rectangles, squares, etc. After recording, you are able to save it via GIF or an MP4 file format with HD quality and share it with one click.

Features:

  • No time limitation and no watermark on your recorded videos
  • Share your recorded videos to social media platforms like YouTube or other platforms
  • Offer the opportunity to URL shortening and URL sharing services

open source screen recorder - ShareX

Top 3. UltraVNC Screen Recorder 

UltraVNC Screen Recorder is another open source video capture software for Windows 10 that many people use it. It is famous for its fast speed while recording the screen. With this freeware screen recorder, you can capture video, record audio with screen, and even record gameplay and webcam videos of up to 4K quality.

Moreover, this program offers you options to edit your recorded videos, like adding video effects and filters after recording.

Features:

  • Can record audio and sync it with the video
  • No ads on the interface
  • Provide basic and advanced editing tools
  • Capture multiple videos simultaneously 

Open source screen recorder

Top 4. CamStudio 

Camstudio can record all the activities on your screen and export them with 4K quality. As one of the best open source screen recorder software, it allows you to set the full screen, window, or fixed region as a target area according to your situation. Moreover, it enables you to record a demonstration or product information video from your desktop screen.

After recording, you can convert these recordings into high-quality videos. If you require high-quality video with a small file size, you can try CamStudio.

Features:

  • Allow you to add text and overlay your webcam video while recording screen
  • Export the recording into various formats, including AVI, SWF, and many more
  • Facilitate to customize cursors while recording the video

Open source screen recorder - CamStudio

Top 5. Freeser 

Freeser is a free, open-source, and cross-platform screen recorder to capture anything on your desktop. It is friendly to beginners as well as professionals. This Windows open source screen recorder is designed for capturing presentations and has been successfully used at many open source conferences to record hundreds of talks.

Moreover, using it, you also can capture demos, training materials, lectures, and other kinds of videos as you like.

Features:

  • Give you the freedom to record any part of your screen
  • Directly export and upload the recording to social media platforms
  • Offer video editing tools and allow you to apply video effects
  • Built-in an audio mixer

Open source screen recorder - Freeser

Top 6. RecordMyDesktop 

RecordMyDesktop is a popular open source screen recording software, which can even run on a Linux computer. 

This freeware lets you record the screen in different aspect ratios, and you can capture video with audio in one simple click. It can also help you record streaming audio or video from different sites like YouTube, Facebook, and many others. Last but not least, the output recording file will be of high quality.

Features:

  • Clear and simple interface
  • Support several resolutions up to 1080p
  • Record video with audio in one easy click

Open source screen recorder - RecordMyDesktop

Top 7. ScreenCam 

ScreenCam is an open source screen recorder for Windows, which gives you a virtual screen camcorder for recording virtually anything on your desktop.

Once the recording is done, it can export to the most powerful internet, CD/DVD, and email formats, combined with the ability to add high-end interactivity all in one elegant package.

Features:

  • Best for novices and pros
  • Export the recording in various formats
  • Enable you to record any part on your screen with ease

Open source screen recorder - Screencam

Top 8. Simple Screen Recorder 

SimpleScreenRecorder is an easy-to-use and open source screen capturing software. It can help you record any activities on your screen with HD quality.

By using this program, you can capture live streaming videos or gameplay. And while recording, it allows you to check previews of videos, pause or resume them as per need. Once the recording is done, this freeware enables you to export the recorded file in various file formats and codecs.

Features:

  • Easy and intuitive user interface
  • Reduce the video frame rate automatically if the computer is too low
  • Offer customizable settings
  • Allow you to preview the video during recording

Open source screen recorder

Top 9. Captura 

Captura is another open source screen recorder with audio that we recommend. It can help you capture the full screen, a fixed window, or a specific area of your screen. While recording, you also can use the hotkeys to control the recording. Once done, you can directly upload the recorded videos to social media platforms like Facebook, YouTube, etc.

All in all, it will give you a comfortable audio and video recording experience with a simple and friendly user interface.

Features:

  • Easy-to-use interface
  • Allow you to record audio, screen, and webcam flexibly
  • Support different file formats like MP4, GIF, AVI, and more

Open source screen recorder - Captura

Top 10. VirtualDub 

This is a simple but versatile open source recording software for Windows users that enables you to capture your screen and export the recordings in videos. Since its user interface is easy to use, you can use this tool without much effort, and even you are a beginner.

Besides the recording function, this open-source screen recorder also offers some useful video editing tools. With their help, you can easily add effects and subtitles to your recordings.

Features:

  • Support HDR
  • Adjust the speed of recordings
  • Split or merge videos easily
  • Select recording area

virtual dub

Top 11. Adobe Captivate 

This is a powerful open-source recording software designed by Adobe. This versatile tool can run smoothly on various operating systems, including Windows, macOS, even iOS and Android.

Its strong compatibility gives you the ability to capture the screen of your devices effortlessly. You don't even worry that you will miss online meetings or classes since this tool provides you a task scheduler that automatically helps you start recording.

adobe captivate

Features:

  • Record screen online
  • Record games with no lag
  • Support adding subtitles
  • Support capturing Webcam

Top 12. XVidCap 

This is an open-source recorder that you can use on Linux, and you can use it to do some simple and basic recording tasks. 

But there is a disadvantage that may have some severe negative impact on you. This software is old, and the lack of updates makes it's not so convenient to use this tool.

Features:

  • Support online encoding
  • Support MPEG video

xvidcap

Open Source Recording Software - Comparison 

To help you find your desired screen recording software, we have made a comparison table below among those 12 open source screen capture software we introduced.

  Operating System Area Selection Record Webcam Capture Audio Editing
EaseUS RecExperts Win/Mac              √                √               √        √
OBS Studio Win/Mac/Linux              ×                ×               √        ×
ShareX Win              ×                √                 √        ×
UltraVNC Win              ×                √               √        √
Camstudio Win              ×                ×               √        √
Freeser Win/Mac/Linux              √                ×               √        √
RecordMyDesktop Linux              √                ×               √        ×
ScreenCam Win              √                √               √        ×
SimpleScreenRecorder Linux              √                √               √        ×
Captura Win              √                √               √        ×
VirtualDub Win              ×                ×               √        √
Adobe Captivate Win/Mac/Android              √                √               √        √
XVidCap Linux              ×                ×               √        ×

The Bottom Line

On this page, we share with you the top 10 best open source screen recorder. Whether you are working on a Windows, macOS, or Linux computer, you can always find the best screen recording software here.

While selecting the screen recorder, make sure to choose the one that can work best for you according to your situation. No matter you are a Windows user or a Mac user, EaseUS RecExperts is your best option. It can satisfy almost all of your needs. Now click the below button to install it on your computer!

FAQs About Open Source Screen Recording Software

This post introduced many excellent open-source screen recording apps you can use on different operating systems. You may still have some questions about those programs, like how to use them. You will find the answer in this part.

1. How do I record my screen on open source?

Take OBS Studio as an example, and you can follow those steps to use it to record your screen. 

Step 1. Launch this open source video capture software and adjust the settings according to your needs. 

Step 2. Go to the "Source" tab on the main interface, click the "+" icon, and choose "Display Capture" as the video source. Then, select "Audio Output Capture" to set the sound source.

Step 3. Click on the "Start Recording" button to capture the activities on your screen.

Step 4. Hit the "Stop Recording" button to save the captured video to your device.

2. What is the best open-source screen recorder?

There is enough open-source screen capture software on different platforms, and you can find the most suitable one for you in the following list.

Top 7 Best Open Source Screen Recorder:

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About the Author

author Jane Zhou

Jane Zhou

Jane is an experienced editor for EaseUS focused on tech blog writing. Familiar with all kinds of video editing and screen recording software on the market, she specializes in composing posts about recording and editing videos. All the topics she chooses are aimed at providing more instructive information to users.

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