Quoting from FAQ:
What is Jitsi?
Jitsi is a set of open-source projects that allows you to easily build and deploy secure videoconferencing solutions. We are best known for our Jitsi Meet video conferencing platform, meet.jit.si where we host a Jitsi Meet instance that the community can use for totally free video conferences , and the Jitsi ...
BigBlueButton would meet your requirements:
Does not require to own a server or domain (by me): While you can self-host it, there are providers offering it for you. Though BBB itself being open source, that would most likely mean to pay for the (hosting) service.
Conference Calling: Yes.
Screen Sharing: Yes. Combining the two: I've ...
With PollUnit you can create idea collections and polls. A idea collection can be converted into a poll or you allow participants to add options directly to the poll.
A poll/voting can be cloned. If necessary, options can be removed/added and participants can vote again.
PollUnit does not offer a flip of coin in case of a tie. However, when closing a poll, ...
From this answer on U&L SE:
Use ack / ack-grep:
ack --passthru --color string file
rg --passthru pattern file.txt
You can also achieve the same using grep:
grep --color -E "test|$" yourfile
If your are looking for open source games. I think you should definitely checkout the Python Games repository.
This below repository has a good collection.
Although it is not Open Source since it has Apache License.
I would recommend Syncfusion JS libraries. It has very good charts, gauges, maps, and more than 60+ other controls as well, and the best part is you can get it for free if you are an individual developer or if your company is generating less than 1 million in revenue. If you are eligible you can get the community license and try it out.
Chart demos: https:/...
gratis support from me
extensive performance tests and sparse unit tests
almost perfectly mimicking the interface of std::unordered_map
open addressing using linear probing with pseudorandom ordering (similar to Robin-Hood hashing)
I had a similar problem, I need a hash table that was not just faster but also more memory efficient, ...