Noto Emoji fonts
FYI: google's are Apache licensed here: https://github.com/googlefonts/noto-emoji
Twitter emoji (discord uses these also) are open source.
Both of these are very consistent and good open source emoji. I think in the past a lot of these projects that were not backed by companies eventually devolved into a paid product that was no longer open source, but I'm hopeful that openmoji continues down the FOSS path.
Open source emojis for designers, developers and everyone else!
The creator of the project suggests that the license is for edits of the emojis, rather than the projects which use the emoji.  As someone involved with the project, I'm not sure how this should be communicated so that this is clear
Appwrite - The open-source backend cloud platform. The open-source backend cloud platform for developing Web, Mobile, and Flutter applications. You can set up your backend faster with real-time APIs for authentication, databases, file storage, cloud functions, and much more!
Emoji for everyone. https://twemoji.twitter.com/
> Unless you can point out a column that is specifically open source.
The "Twtr" (Twitter) column, I believe, is Twitter's "twemoji", which is CC-BY.
But your general point about the link being for comparison purposes and not implying any particular license is also correct, too.
An Android App that enables input every character in Unicode
Plug-and-play up-to-date alternative to twemoji-awesome
Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.
FLOSS Minesweeper game with sound effects, customized minefield themes, keyboard controller gameplay and other thing. Available for GNU/Linux, FreeBSD and Windows systems. Libremines 1.9.0
2 projects | /r/opensourcegames | 9 Feb 2022
1 project | /r/hackernews | 15 Sep 2023
Open source emojis for designers, developers and everyone else
1 project | news.ycombinator.com | 29 Jan 2023
I made Emoji Library 😎 - the easiest way to add open-source emojis to After Effects (take 2!)
1 project | /r/AfterEffects | 22 Nov 2022
Looking for knights emojis
2 projects | /r/Emoji | 4 Oct 2022