TeamViewer is not available as a web app but there are some alternatives that runs in the browser with similar functionality. The best free Online alternative is Mikogo. If that doesn't suit you, our users have ranked more than 50 alternatives to TeamViewer and five of them are free and available as a web app so hopefully you can find a suitable replacement. Other interesting free Online alternatives to TeamViewer are Cisco Webex, screego, Zoho Assist and Screen Sharing via Browser.
Mikogo is a free screen sharing solution that allows you to share any screen content in true color quality with up to 25 participants. Perfect for online meetings and web conferences. An easy-to-use and intuitive tool.
Leading solution for video conferencing and webinar hosting, features document sharing, voice conferencing, video recording, screen sharing, and supports up to six webcams, making it ideal for secure and scalable online meetings across platforms.
For developers, screen sharing shouldn’t be optimized for low bandwidth or presenting some slides. It should be high definition, that you still can read the tiny font of your colleague. No more, “wait a minute, the stream isn’t updating”.
Support customers on a remote computer easily through web-based, on-demand remote support sessions. Set up unattended remote access and manage remote PCs, laptops, mobile devices, and servers effortlessly.
I love the fact that it uses HTML 5, which means that it can be used via just about any web browser. I also appreciate the fact that the free version doesn't nag you. I did spring for a subscription because I like the advanced computer management features. Oh, did I mention that it's much more affordable than TeamViewer too?
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Allows you to share your desktop screen and control the computer remotely like Teamviewer