Best 5 Open Source Screen Recorder

Last updated on January 17, 2020 by Cindy Smith

Article Center

Category - Desktop Recorder

Best 5 Open Source Screen Recorder

Open-source is a way for users to edit, copy, and customize the code of certain software. Especially for screen recorders, it will give you the ability to rework or enhance them. Also, there are some tools that you can use for editing the code for you to use the paid software for free. However, some of those recorders produce low quality, and most of them are closed source software. Meaning, you cannot fix a problem whenever you encounter a bug or error on a specific video recorder tool. That is why it is more advisable to use an open-source video recorder for you to view and alter the code a recorder software. Therefore, we have searched for the best open source video recorder below.

Review of Apps

AceThinker Online Screen Recorder

AceThinker Online Screen Recorder is an online screen recorder that can produce excellent quality videos. You can capture anything appearing on your display screen with just one click. Also, this tool allows you to record using a web camera if you want to show your surroundings on the recording. Besides, Online Screen Recorder has the capability to put annotations on your recording in real-time. You can draw lines, arrows, shapes, and add text to enhance the video. In case you are looking for a great screen recording without installing any software on your computer, then start using this online video recorder. For you to start using it, you can follow the steps below.

Step1 Visit the AceThinker Online Screen Recorder website

Visit its official website of AceThinker Online Screen Recorder first, and click the “Start Recording” button to initiate the recording process.


Step2 Run the online launcher

Next, it will ask you to install its online launch at first. Simply click the “Open Apowersoft Online Launcher” to launch the online screen recorder ultimately.


Step3 Configure the settings

Once launched, a floating toolbar will appear on your screen that you can use for recording. You can click on the “More” icon at the right side of the toolbar, and choose “Settings” to customize the functions of the tool. Within the settings tab, you can select your preferred video formats like MP4, MKV, and MOV. You can also select the output folder and mouse styles of the tool. Once set, click on the “OK” button to finish.


Step4 Start recording video

To begin recording, select from different recording modes like full-screen, region mode, or an external camera. Then, press the “REC” button at the leftmost part of the floating toolbar to initiate the recording process.


Step5 Check the recorded video

You can end the recording process by clicking the “Stop” button on the left side of the floating toolbar. It will open a video playback window where you can watch the recorded video. You can also click the “Save” icon at the bottom rightmost part of the tool to keep the video on your computer.


AceThinker Screen Grabber Pro

AceThinker Screen Grabber Pro is like the upgraded version of Online Screen Recorder. It can help you to record videos with high-quality resolution easily. In fact, you can also put annotations while recording your computer screen. It is helpful whenever you want to add effect, or if you want to point the vital parts of the recording. Also, you can record a video using a webcam while recording your display screen. It is suitable for gamers, video bloggers, or users who need to make a video tutorial. On the other hand, we have listed the simple steps on how to use the AceThinker Screen Grabber Pro below.

Step1 Download the Application

You can download the AceThinker Screen Grabber Pro by clicking one of the “Download” buttons below. After downloading, launch the installer and follow the installation wizard to install the tool on your Windows or Mac computer. Once installed, press the “Menu” button at the upper rightmost part of the tool, and select “Settings” to change the settings of the screen recorder.

Try It Free


Step2 Configure the Settings

Within the settings window, you can choose if the recorded video will be saved as MP4, MKV, AVI, MOV, etc. You can also set hotkeys for you to use your keyboard alone for screen recording. Once done with the settings, click “OK” to finish.


Step3 Initiate the recording process

To start recording, click on the “Record” button at the upper leftmost part of the tool. Then, choose if you are going to record in full screen, region mode, or around the mouse.


Step4 Annotate while recording

You also put annotations while recording by clicking the “Brush” icon ar the rightmost part of the floating toolbar. It will show you the shapes, lines, arrows, and text, which you can add on the recording. When you are finish recording, click the “Stop” button to end recording.


Step5 Watch the recorded video

You will see the recording on the main interface of the tool. Just select on the recorded video, right-click on it, and select “Preview” to play the video automatically.



Captura is an open-source screen recorder software that is 100% free and safe to use. This tool allows you to record your screen without any video ads appearing. Also, Captura lets you set hotkeys to control recordings using your keyboard alone. Besides, this tool can also record using your external webcam whenever you want to show your surroundings. In fact, Captura can mix audio from the microphone and system sound if you are trying to make a video blog or tutorial. In case you want to alter the codes of this software, you can visit GitHub to find its source-code. Captura is available for both Windows and Mac OS.



  • It supports over 30 languages to translate
  • Can capture specific regions using its Region Selector


  • Long video recording along with audio might get errors

Distinctive feature: It has a portable version where you can start recording the tool without installing it.


ScreenGun is an easy-to-use, open-source screen recorder tool that is great for making good quality videos quickly. It is being used by making video demos, how-to videos, and small tutorial videos. Also, this tool uses Window’s GDI+ to make a screenshot while recording. Besides, ScreenGun has a feature called NAudio that records your system audio and external microphone. With a few simple clicks, you can record any activities on your display screen in full screen or region mode. Once you downloaded ScreenGun on your PC, it will not ask you to install any software because it is a Portable executable file. You can only use this tool on a Windows PC.



  • Good for making video blogs and short videos
  • Small file size for a robust screen recorder software


  • Not suitable for game recordings

Distinctive feature: It has an FFMPEG feature that you can automatically take screenshots while recording.


JetScreenRecorder is a simple open-source screen recorder program that uses FFMPEG to help you capture anything on your screen display. This tool is so easy-to-use but offers limited set features to use. In fact, there are lots of available video codecs for you to use, and it also allows you to customize the bit rate and FPS of this tool. However, even if JetScreenRecorder is excellent for recording your computer screen, it cannot capture the system or microphone audio. So it is not suitable for gamers who want to record their game. But all in all, this tool will help you to make a video recording in high-quality video. JetScreenRecorder can be used on Windows and Mac computers.



  • It has a minimal interface
  • Enables you to quickly record your computer screen


  • Can’t record audio

Distinctive Feature: JetScreenRecorder allows you to adjust the FPS and bit rate of the recording to your liking.

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 RecorderScreen Grabber ProCapturaScreenGunJetScreenRecorder
Free to use
High-quality recording
Capture Webcam
Add annotations
Record in region mode
Audio recording
Social Media Sharing


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 105 ratings) Thanks for your rating!

December 5, 2019

Post By Cindy Smith to Screen Grabber Pro

Last updated on January 17, 2020

Get Converter App
Back to top
Contact Us