1.socketry / falconA high-performance web server for Ruby, supporting HTTP/1, HTTP/2 and TLS.rubyserverhttp-serverasyncfalconasync-http+2 moreRubyMIT3.1K total105 forks+15 starsfrom 3,038 · score 2.77
2.puma / pumaA Ruby/Rack web server built for parallelismrubyservermultithreadingrackRubyBSD-3-CLAUSE7.9K total1.5K forks+11 starsfrom 7,912 · score 2.48
3.sj26 / mailcatcherCatches mail and serves it through a dream.smtpmailserverrubyrailsrubygems+2 moreRubyMIT6.8K total605 forks+5 starsfrom 6,778 · score 1.79
4.macournoyer / thinArchivedA very fast & simple Ruby web serverthinrubyweb-serverserverrailsrackRubyOther license2.3K total342 forks+1 starsfrom 2,274 · score 0.69