| 1 | 896 | 726 | em-websocket | EventMachine based WebSocket server |
| 2 | 1,159 | 1,389 | em-http-request | EventMachine based, async HTTP Request client |
| 3 | 1,174 | 1,333 | em-socksify | Transparent proxy support for any EventMachine protocol |
| 4 | 1,474 | 953 | http-2 | Pure-ruby HTTP 2.0 protocol implementation |
| 5 | 2,099 | 2,192 | em-synchrony | Fiber aware EventMachine libraries |
| 6 | 5,158 | 12,184 | em-proxy | EventMachine Proxy DSL |
| 7 | 5,312 | 8,564 | bloomfilter-rb | Counting Bloom Filter implemented in Ruby |
| 8 | 7,957 | 8,297 | postrank-uri | URI normalization, c14n, escaping, and extraction |
| 9 | 8,749 | 15,982 | goliath | Async framework for writing API servers |
| 10 | 10,093 | 8,892 | gmetric | Pure Ruby interface for generating Ganglia gmetric packets |
| 11 | 12,589 | 13,813 | decisiontree | ID3-based implementation of the M.L. Decision Tree algorithm |
| 12 | 15,724 | 26,071 | vimgolf | Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire u... |
| 13 | 18,431 | 17,891 | pubsubhubbub | Asynchronous PubSubHubbub client for Ruby |
| 14 | 20,168 | 122,967 | em-jack | An evented Beanstalk client |
| 15 | 25,822 | 30,160 | bugspots | Implementation of simple bug prediction hotspot heuristic |
| 16 | 29,757 | 58,870 | textquery | Evaluate any text against a collection of match rules |
| 17 | 49,203 | 122,967 | postrank-api | Ruby 1.9 PostRank API Wrapper |
| 18 | 51,715 | 90,780 | em-mysqlplus | Async MySQL driver for Ruby/Eventmachine |
| 19 | 63,359 | 90,780 | slowgrowl | Surface slow code paths in your Rails 3 app via Growl / libnotify |
| 20 | 64,724 | 40,476 | mneme | Write a gem description |
| 21 | 78,437 | 70,826 | spdy | SPDY is an experiment with protocols for the web |
| 22 | 90,160 | 90,780 | em-handlersocket | Asynchronous (EventMachine) HandlerSocket client |
| 23 | 95,109 | 169,728 | contextual | Runtime contextual autoescaper |
| 24 | 111,003 | 122,967 | rack-speedtracer | SpeedTracer middleware for server side debugging |
| 25 | 115,648 | 70,826 | language_detector | Ruby language detection library using n-gram model |
| 26 | 118,219 | 122,967 | closure-sprockets | Sprockets processor for Google's Closure tools |
| 27 | 119,447 | 70,826 | rack-aggregate | Rack response-time statistics aggregator middleware |
| 28 | 123,471 | 90,780 | libsnappy | Snappy, a fast compressor/decompressor (courtesy of Google) |
| 29 | 124,376 | 122,967 | ZDevice | ZDevice is a Ruby DSL for assembling arbitrary ZeroMQ routing devices, with support for... |
| 30 | 125,488 | 90,780 | hydra5 | Load-balanced (multi-headed) SOCKS5 proxy |
| 31 | 127,407 | 122,967 | ruby2lolz | Ruby to Lolcode translator, kthnxbai. |
| 32 | 127,703 | 90,780 | pregel | Single-node implementation of Google's Pregel framework for large-scale graph processing. |