!["10 Leading Budget-Friendly, Quality Webcall Providers"](https://www.lifewire.com/thmb/dUcMAT1_0DCxV5hsu63as34-gjs=/400x300/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)/coverjointwitter-6f13b51d1be04d8bb3f5221ef5a057c7.jpg)
"10 Leading Budget-Friendly, Quality Webcall Providers"
![](/images/site-logo.png)
10 Leading Budget-Friendly, Quality Webcall Providers
10 Best Online Video Call (Free to Use)
Richard Bennett
Mar 27, 2024• Proven solutions
Video calling software or open source conference software is easy-to-use on phone or PC. As the world goes a little stir crazy in self-isolation from Covid-19, it has become more and more apparent that online video calls are a great way to keep in touch. Talk with your friends and family using free video calls online, without even risking putting any bacteria from your phone against your face. In this article, you will learn 10 online free video call software.
Best Free Online Video Call to Use
1. Videolink2me Video Calling
One way to get by the Covid-19 blues is with Videolink2me. This nifty piece of software lets you work from home, as well as allowing you to keep in regular contact with friends and family. You can schedule appointments, import contacts and even work with a shared screen without any additional plugins.
Favored Features of Videolink2me:
- Shared screen mode alongside appointment scheduler and contact integration allows for a good video workspace.
- Automatically invites anyone you want to have a conversation with.
- You can use it in minutes with no prior setup needed.
You may also like: 10 Best Video Calling Software on Phone and PC
2. Linkello Video Call Software
Linkello allows you to make both video and audio calls with your loved ones, while you are in self-isolation. Safely call from a distance to check on a relative by creating a call link, securely transferring information and files, and staying in each other’s lives without leaving the house.
Favored Features of Linkello:
- Audio or video chat in secure links.
- Create and name your own chat stream, invite non-members with a click.
- Screen sharing is possible, so you could use Linkello to work from home.
3. Slack – Video Conferencing for Work
If Covid-19 has you stuck indoors, working from home and trying not to turn your living room into your new office – then Slack is the online video call suite that you need. It’s easy to use, doesn’t take any special training, and works with a few short clicks. You can even screen share to pass messages to one another.
Favored Features of Slack:
- It lets you keep your office at the office, easily taking calls from your home laptop without being pressured by gimmicks.
- The screen share is exemplary… and we don’t use that word lightly.
- It’s easy to set up… so if there is a technophobe at the office, this is your best bet.
4. Roundee – A Business Online Video Call App
If you want to try something fresh,, new, and with a youthful perspective on things, then Roundee.io have the answers. They offer great features like multi-group chat, cloud recording, and screen sharing. Unfortunately, they don’t work with all browsers. If your PC is still in safe mode running Edge, then Roundee won’t work.
Favored Features of Roundee:
- Instant set up and access as long as you don’t use Edge browser.
- Browser based meetings that can continue as you work.
- Very much business orientated.
5. Google Duo Online Video Calling
Obviously, one of the best things about Duo is that it is made by Google. You have that reliable stability behind it. You know if you send an error report it will improve the system. Duo works with you PC to create a crystal clear free online video call platform so you can keep in touch.
Favored Features of Google Duo:
- It comes with Google clarity and workmanship.
- Works across all devices so you can call a mobile from a laptop.
- Lets you group with 8 people and gives caller ID.
6. The Zoom Free Video Call Online Suite
Zoom markets itself as a free video call online suite that allows businesses to connect to remote workers with minimal fuss. It’s free to sign up for, allows you to co-schedule and book meetings, and uses a single tool for navigation. It’s a complex system with simple instructions.
Favored Features of Zoom:
- Team chat for business with no extra training required.
- You can fit up to 100 participants into the team chat.
- HD audio and Video with low bandwidth compatibility.
7. Skype
Easily one of the best known names in online video calling software; Skype has been a market leader for some years now. The quality doesn’t always hit the nail on the head, but you can get a hold of anyone, no matter where in the world they are! If you want to record Skype video call, here are the steps to record video and audio calls on different platforms.
Favored Features of Skype:
- Skype were the trail blazers for free video call online work.
- Works browser to browser, or to mobile, or to any other device…
- Online Video Call software downloadable to your mobile phone as an app.
8. WeChat
Available in both the App Store and the Android markets, a billion or more people have already downloaded WeChat to get in touch with the younger generation. What Skype was to Millennials, WeChat is to Gen Z. It can be used multiple ways and on all platforms.
Favored Features of WeChat:
- Simple to set up and find your friends on.
- Free voice and video calls and the ability to share on your moment’s timeline.
- Stickers, GIFs, this is like the free online video call social media app you never knew you wanted till now.
9. Messenger – the MSN Free Video Call Software
Once known as MSN, back-in-the-day, this is one of the first online chat systems that existed. Messenger has evolved from Microsoft’s original chat forums and survives to this day as one of the best ways to keep in touch long distance.
Favored Features of Messenger:
- Free day-to-day chatting with no ads.
- Nobody ever asks you for money.
- Best used for friends, family, and Facebook/
10. WhatsApp
While WhatsApp score highly as a communications App, their video calling software needs a little polishing. It isn’t bad, it is just being outshone by some of the other names on our list. WhatsApp, however, is the one you are most likely to have on your phone already!
Favored Features of WhatsApp:
- Many people use it because it is informal and very secure… you are less likely to have messages hacked.
- WhatsApp video quality is very good, they also offer a few filters to make you prettier.
- It’s simple to set up and easy to use. Also comes as a mobile app.
Conclusion
While Covid-19 has you trapped at home, why not give video calling a try? It’s fast, it’s free, and it means you save a fortune on your phone bill. Who uses landlines anymore… are we right? It’s time to go digital.
Richard Bennett
Richard Bennett is a writer and a lover of all things video.
Follow @Richard Bennett
Richard Bennett
Mar 27, 2024• Proven solutions
Video calling software or open source conference software is easy-to-use on phone or PC. As the world goes a little stir crazy in self-isolation from Covid-19, it has become more and more apparent that online video calls are a great way to keep in touch. Talk with your friends and family using free video calls online, without even risking putting any bacteria from your phone against your face. In this article, you will learn 10 online free video call software.
Best Free Online Video Call to Use
1. Videolink2me Video Calling
One way to get by the Covid-19 blues is with Videolink2me. This nifty piece of software lets you work from home, as well as allowing you to keep in regular contact with friends and family. You can schedule appointments, import contacts and even work with a shared screen without any additional plugins.
Favored Features of Videolink2me:
- Shared screen mode alongside appointment scheduler and contact integration allows for a good video workspace.
- Automatically invites anyone you want to have a conversation with.
- You can use it in minutes with no prior setup needed.
You may also like: 10 Best Video Calling Software on Phone and PC
2. Linkello Video Call Software
Linkello allows you to make both video and audio calls with your loved ones, while you are in self-isolation. Safely call from a distance to check on a relative by creating a call link, securely transferring information and files, and staying in each other’s lives without leaving the house.
Favored Features of Linkello:
- Audio or video chat in secure links.
- Create and name your own chat stream, invite non-members with a click.
- Screen sharing is possible, so you could use Linkello to work from home.
3. Slack – Video Conferencing for Work
If Covid-19 has you stuck indoors, working from home and trying not to turn your living room into your new office – then Slack is the online video call suite that you need. It’s easy to use, doesn’t take any special training, and works with a few short clicks. You can even screen share to pass messages to one another.
Favored Features of Slack:
- It lets you keep your office at the office, easily taking calls from your home laptop without being pressured by gimmicks.
- The screen share is exemplary… and we don’t use that word lightly.
- It’s easy to set up… so if there is a technophobe at the office, this is your best bet.
4. Roundee – A Business Online Video Call App
If you want to try something fresh,, new, and with a youthful perspective on things, then Roundee.io have the answers. They offer great features like multi-group chat, cloud recording, and screen sharing. Unfortunately, they don’t work with all browsers. If your PC is still in safe mode running Edge, then Roundee won’t work.
Favored Features of Roundee:
- Instant set up and access as long as you don’t use Edge browser.
- Browser based meetings that can continue as you work.
- Very much business orientated.
5. Google Duo Online Video Calling
Obviously, one of the best things about Duo is that it is made by Google. You have that reliable stability behind it. You know if you send an error report it will improve the system. Duo works with you PC to create a crystal clear free online video call platform so you can keep in touch.
Favored Features of Google Duo:
- It comes with Google clarity and workmanship.
- Works across all devices so you can call a mobile from a laptop.
- Lets you group with 8 people and gives caller ID.
6. The Zoom Free Video Call Online Suite
Zoom markets itself as a free video call online suite that allows businesses to connect to remote workers with minimal fuss. It’s free to sign up for, allows you to co-schedule and book meetings, and uses a single tool for navigation. It’s a complex system with simple instructions.
Favored Features of Zoom:
- Team chat for business with no extra training required.
- You can fit up to 100 participants into the team chat.
- HD audio and Video with low bandwidth compatibility.
7. Skype
Easily one of the best known names in online video calling software; Skype has been a market leader for some years now. The quality doesn’t always hit the nail on the head, but you can get a hold of anyone, no matter where in the world they are! If you want to record Skype video call, here are the steps to record video and audio calls on different platforms.
Favored Features of Skype:
- Skype were the trail blazers for free video call online work.
- Works browser to browser, or to mobile, or to any other device…
- Online Video Call software downloadable to your mobile phone as an app.
8. WeChat
Available in both the App Store and the Android markets, a billion or more people have already downloaded WeChat to get in touch with the younger generation. What Skype was to Millennials, WeChat is to Gen Z. It can be used multiple ways and on all platforms.
Favored Features of WeChat:
- Simple to set up and find your friends on.
- Free voice and video calls and the ability to share on your moment’s timeline.
- Stickers, GIFs, this is like the free online video call social media app you never knew you wanted till now.
9. Messenger – the MSN Free Video Call Software
Once known as MSN, back-in-the-day, this is one of the first online chat systems that existed. Messenger has evolved from Microsoft’s original chat forums and survives to this day as one of the best ways to keep in touch long distance.
Favored Features of Messenger:
- Free day-to-day chatting with no ads.
- Nobody ever asks you for money.
- Best used for friends, family, and Facebook/
10. WhatsApp
While WhatsApp score highly as a communications App, their video calling software needs a little polishing. It isn’t bad, it is just being outshone by some of the other names on our list. WhatsApp, however, is the one you are most likely to have on your phone already!
Favored Features of WhatsApp:
- Many people use it because it is informal and very secure… you are less likely to have messages hacked.
- WhatsApp video quality is very good, they also offer a few filters to make you prettier.
- It’s simple to set up and easy to use. Also comes as a mobile app.
Conclusion
While Covid-19 has you trapped at home, why not give video calling a try? It’s fast, it’s free, and it means you save a fortune on your phone bill. Who uses landlines anymore… are we right? It’s time to go digital.
Richard Bennett
Richard Bennett is a writer and a lover of all things video.
Follow @Richard Bennett
Richard Bennett
Mar 27, 2024• Proven solutions
Video calling software or open source conference software is easy-to-use on phone or PC. As the world goes a little stir crazy in self-isolation from Covid-19, it has become more and more apparent that online video calls are a great way to keep in touch. Talk with your friends and family using free video calls online, without even risking putting any bacteria from your phone against your face. In this article, you will learn 10 online free video call software.
Best Free Online Video Call to Use
1. Videolink2me Video Calling
One way to get by the Covid-19 blues is with Videolink2me. This nifty piece of software lets you work from home, as well as allowing you to keep in regular contact with friends and family. You can schedule appointments, import contacts and even work with a shared screen without any additional plugins.
Favored Features of Videolink2me:
- Shared screen mode alongside appointment scheduler and contact integration allows for a good video workspace.
- Automatically invites anyone you want to have a conversation with.
- You can use it in minutes with no prior setup needed.
You may also like: 10 Best Video Calling Software on Phone and PC
2. Linkello Video Call Software
Linkello allows you to make both video and audio calls with your loved ones, while you are in self-isolation. Safely call from a distance to check on a relative by creating a call link, securely transferring information and files, and staying in each other’s lives without leaving the house.
Favored Features of Linkello:
- Audio or video chat in secure links.
- Create and name your own chat stream, invite non-members with a click.
- Screen sharing is possible, so you could use Linkello to work from home.
3. Slack – Video Conferencing for Work
If Covid-19 has you stuck indoors, working from home and trying not to turn your living room into your new office – then Slack is the online video call suite that you need. It’s easy to use, doesn’t take any special training, and works with a few short clicks. You can even screen share to pass messages to one another.
Favored Features of Slack:
- It lets you keep your office at the office, easily taking calls from your home laptop without being pressured by gimmicks.
- The screen share is exemplary… and we don’t use that word lightly.
- It’s easy to set up… so if there is a technophobe at the office, this is your best bet.
4. Roundee – A Business Online Video Call App
If you want to try something fresh,, new, and with a youthful perspective on things, then Roundee.io have the answers. They offer great features like multi-group chat, cloud recording, and screen sharing. Unfortunately, they don’t work with all browsers. If your PC is still in safe mode running Edge, then Roundee won’t work.
Favored Features of Roundee:
- Instant set up and access as long as you don’t use Edge browser.
- Browser based meetings that can continue as you work.
- Very much business orientated.
5. Google Duo Online Video Calling
Obviously, one of the best things about Duo is that it is made by Google. You have that reliable stability behind it. You know if you send an error report it will improve the system. Duo works with you PC to create a crystal clear free online video call platform so you can keep in touch.
Favored Features of Google Duo:
- It comes with Google clarity and workmanship.
- Works across all devices so you can call a mobile from a laptop.
- Lets you group with 8 people and gives caller ID.
6. The Zoom Free Video Call Online Suite
Zoom markets itself as a free video call online suite that allows businesses to connect to remote workers with minimal fuss. It’s free to sign up for, allows you to co-schedule and book meetings, and uses a single tool for navigation. It’s a complex system with simple instructions.
Favored Features of Zoom:
- Team chat for business with no extra training required.
- You can fit up to 100 participants into the team chat.
- HD audio and Video with low bandwidth compatibility.
7. Skype
Easily one of the best known names in online video calling software; Skype has been a market leader for some years now. The quality doesn’t always hit the nail on the head, but you can get a hold of anyone, no matter where in the world they are! If you want to record Skype video call, here are the steps to record video and audio calls on different platforms.
Favored Features of Skype:
- Skype were the trail blazers for free video call online work.
- Works browser to browser, or to mobile, or to any other device…
- Online Video Call software downloadable to your mobile phone as an app.
8. WeChat
Available in both the App Store and the Android markets, a billion or more people have already downloaded WeChat to get in touch with the younger generation. What Skype was to Millennials, WeChat is to Gen Z. It can be used multiple ways and on all platforms.
Favored Features of WeChat:
- Simple to set up and find your friends on.
- Free voice and video calls and the ability to share on your moment’s timeline.
- Stickers, GIFs, this is like the free online video call social media app you never knew you wanted till now.
9. Messenger – the MSN Free Video Call Software
Once known as MSN, back-in-the-day, this is one of the first online chat systems that existed. Messenger has evolved from Microsoft’s original chat forums and survives to this day as one of the best ways to keep in touch long distance.
Favored Features of Messenger:
- Free day-to-day chatting with no ads.
- Nobody ever asks you for money.
- Best used for friends, family, and Facebook/
10. WhatsApp
While WhatsApp score highly as a communications App, their video calling software needs a little polishing. It isn’t bad, it is just being outshone by some of the other names on our list. WhatsApp, however, is the one you are most likely to have on your phone already!
Favored Features of WhatsApp:
- Many people use it because it is informal and very secure… you are less likely to have messages hacked.
- WhatsApp video quality is very good, they also offer a few filters to make you prettier.
- It’s simple to set up and easy to use. Also comes as a mobile app.
Conclusion
While Covid-19 has you trapped at home, why not give video calling a try? It’s fast, it’s free, and it means you save a fortune on your phone bill. Who uses landlines anymore… are we right? It’s time to go digital.
Richard Bennett
Richard Bennett is a writer and a lover of all things video.
Follow @Richard Bennett
Richard Bennett
Mar 27, 2024• Proven solutions
Video calling software or open source conference software is easy-to-use on phone or PC. As the world goes a little stir crazy in self-isolation from Covid-19, it has become more and more apparent that online video calls are a great way to keep in touch. Talk with your friends and family using free video calls online, without even risking putting any bacteria from your phone against your face. In this article, you will learn 10 online free video call software.
Best Free Online Video Call to Use
1. Videolink2me Video Calling
One way to get by the Covid-19 blues is with Videolink2me. This nifty piece of software lets you work from home, as well as allowing you to keep in regular contact with friends and family. You can schedule appointments, import contacts and even work with a shared screen without any additional plugins.
Favored Features of Videolink2me:
- Shared screen mode alongside appointment scheduler and contact integration allows for a good video workspace.
- Automatically invites anyone you want to have a conversation with.
- You can use it in minutes with no prior setup needed.
You may also like: 10 Best Video Calling Software on Phone and PC
2. Linkello Video Call Software
Linkello allows you to make both video and audio calls with your loved ones, while you are in self-isolation. Safely call from a distance to check on a relative by creating a call link, securely transferring information and files, and staying in each other’s lives without leaving the house.
Favored Features of Linkello:
- Audio or video chat in secure links.
- Create and name your own chat stream, invite non-members with a click.
- Screen sharing is possible, so you could use Linkello to work from home.
3. Slack – Video Conferencing for Work
If Covid-19 has you stuck indoors, working from home and trying not to turn your living room into your new office – then Slack is the online video call suite that you need. It’s easy to use, doesn’t take any special training, and works with a few short clicks. You can even screen share to pass messages to one another.
Favored Features of Slack:
- It lets you keep your office at the office, easily taking calls from your home laptop without being pressured by gimmicks.
- The screen share is exemplary… and we don’t use that word lightly.
- It’s easy to set up… so if there is a technophobe at the office, this is your best bet.
4. Roundee – A Business Online Video Call App
If you want to try something fresh,, new, and with a youthful perspective on things, then Roundee.io have the answers. They offer great features like multi-group chat, cloud recording, and screen sharing. Unfortunately, they don’t work with all browsers. If your PC is still in safe mode running Edge, then Roundee won’t work.
Favored Features of Roundee:
- Instant set up and access as long as you don’t use Edge browser.
- Browser based meetings that can continue as you work.
- Very much business orientated.
5. Google Duo Online Video Calling
Obviously, one of the best things about Duo is that it is made by Google. You have that reliable stability behind it. You know if you send an error report it will improve the system. Duo works with you PC to create a crystal clear free online video call platform so you can keep in touch.
Favored Features of Google Duo:
- It comes with Google clarity and workmanship.
- Works across all devices so you can call a mobile from a laptop.
- Lets you group with 8 people and gives caller ID.
6. The Zoom Free Video Call Online Suite
Zoom markets itself as a free video call online suite that allows businesses to connect to remote workers with minimal fuss. It’s free to sign up for, allows you to co-schedule and book meetings, and uses a single tool for navigation. It’s a complex system with simple instructions.
Favored Features of Zoom:
- Team chat for business with no extra training required.
- You can fit up to 100 participants into the team chat.
- HD audio and Video with low bandwidth compatibility.
7. Skype
Easily one of the best known names in online video calling software; Skype has been a market leader for some years now. The quality doesn’t always hit the nail on the head, but you can get a hold of anyone, no matter where in the world they are! If you want to record Skype video call, here are the steps to record video and audio calls on different platforms.
Favored Features of Skype:
- Skype were the trail blazers for free video call online work.
- Works browser to browser, or to mobile, or to any other device…
- Online Video Call software downloadable to your mobile phone as an app.
8. WeChat
Available in both the App Store and the Android markets, a billion or more people have already downloaded WeChat to get in touch with the younger generation. What Skype was to Millennials, WeChat is to Gen Z. It can be used multiple ways and on all platforms.
Favored Features of WeChat:
- Simple to set up and find your friends on.
- Free voice and video calls and the ability to share on your moment’s timeline.
- Stickers, GIFs, this is like the free online video call social media app you never knew you wanted till now.
9. Messenger – the MSN Free Video Call Software
Once known as MSN, back-in-the-day, this is one of the first online chat systems that existed. Messenger has evolved from Microsoft’s original chat forums and survives to this day as one of the best ways to keep in touch long distance.
Favored Features of Messenger:
- Free day-to-day chatting with no ads.
- Nobody ever asks you for money.
- Best used for friends, family, and Facebook/
10. WhatsApp
While WhatsApp score highly as a communications App, their video calling software needs a little polishing. It isn’t bad, it is just being outshone by some of the other names on our list. WhatsApp, however, is the one you are most likely to have on your phone already!
Favored Features of WhatsApp:
- Many people use it because it is informal and very secure… you are less likely to have messages hacked.
- WhatsApp video quality is very good, they also offer a few filters to make you prettier.
- It’s simple to set up and easy to use. Also comes as a mobile app.
Conclusion
While Covid-19 has you trapped at home, why not give video calling a try? It’s fast, it’s free, and it means you save a fortune on your phone bill. Who uses landlines anymore… are we right? It’s time to go digital.
Richard Bennett
Richard Bennett is a writer and a lover of all things video.
Follow @Richard Bennett
Also read:
- "[Updated] In 2024, Transform Gameplay Into a Masterpiece Using FBX"
- "\"[New] 2024 Approved Flawless Top Timelapse Capturer\""
- "[New] How to Record Skype with OBS for 2024"
- "[Updated] In 2024, MiniSnapper Screen Recorder Feedback"
- "\"[New] 2024 Approved 2023'S Best-Rated PS3 Virtual Players for PC\""
- "[Updated] In 2024, Restoring Sound Linkage in OBS Broadcasts"
- "\"[Updated] Expert Evaluation Chilled Delights Playback Tools for 2024\""
- "\"[Updated] 2024 Approved Non-Game Console Apps Excelling at Game Recordings\""
- "[New] Elevate Your Gaming with FBX Capture Pro for 2024"
- "[New] The Ultimate Zenith of PC Gameplay"
- "\"[New] 2024 Approved Precision Planning The Guide to Online Collaboration\""
- "\"[Updated] In 2024, Frozen Delight Ice Cream Cam & Comprehensive Tutorial\""
- "[New] The Best 8 Value Video Communication Programs for PC and MAC"
- "\"[New] Expertly Selected Best 9 Video Conference Apps for Cross-Platform Use for 2024\""
- "[New] Discover Top Free Cameras for Live Streaming"
- "\"[Updated] 2024 Approved Steps to Engage in a Virtual Meeting via Devices (Google)\""
- "\"2024 Approved Enlightening Path to Capturing Your Mac Screens\""
- "\"[Updated] Ultimate List The Finest FPS Titles in Gaming\""
- "\"[New] Perfect Peace Mastering the Art of Muting Individuals on GoMeet\""
- "\"[Updated] 2024 Approved Comparing the Leading No-Cost Video Communication Apps (iOS/Android)\""
- Updated 2024 Approved Apex Audio Technician for Windows 10
- Best Ways on How to Unlock/Bypass/Swipe/Remove Realme 12 Pro 5G Fingerprint Lock
- In 2024, Easy Fixes How To Recover Forgotten iCloud Password On your iPhone XS
- In 2024, How to Track WhatsApp Messages on Xiaomi Redmi Note 12 4G Without Them Knowing? | Dr.fone
- MOV playback issues on Redmi Note 12R
- Updated The Ultimate Guide to Learning All the Details About Voice Cloning for 2024
- How To Transfer WhatsApp From Apple iPhone 6s to other iPhone 11 Pro devices? | Dr.fone
- Updated Blend Music Sequences Into Animated File Format on WIN OS for 2024
- All Must-Knows to Use Fake GPS GO Location Spoofer On Samsung Galaxy A14 5G | Dr.fone
- In 2024, 9 Best Free Android Monitoring Apps to Monitor Phone Remotely For your Realme GT Neo 5 | Dr.fone
- How to Use Google Assistant on Your Lock Screen Of Vivo Y78+ Phone
- Easy Facebook MP3 Conversion Top 8 Online Solutions
- Easy steps to recover deleted messages from Nokia C110
- 2024 Approved How to Translate TikTok Videos? All You Want to Know
- Updated In 2024, 12 Dubbed Anime Websites to Watch for Free
- 2024 Approved A Complete Guideline About QuickTime Player
- New How to Use Kahoot! On Zoom
- In 2024, The 10 Best Tools to Bypass iCloud Activation Lock On iPhone 15 Pro Max You Should Try Out
- Updated In 2024, Create Intro Video with Flixpress
- Title: "10 Leading Budget-Friendly, Quality Webcall Providers"
- Author: Agatha
- Created at : 2024-05-18 02:43:30
- Updated at : 2024-05-19 02:43:30
- Link: https://video-screen-grab.techidaily.com/10-leading-budget-friendly-quality-webcall-providers/
- License: This work is licensed under CC BY-NC-SA 4.0.