nostr:npub16mypueqzlm7vthsa6xhdqpen4w5vx3e25zs8fxh8x9dhs2je70qs9xh5k6 Facebook also creates and maintains significant open source software such as React https://github.com/facebook

XWiki SAS is a significant and successful company https://xwiki.com/en/company/who-we-are/