| 1 | 885 | 782 | em-websocket | EventMachine based WebSocket server |
| 2 | 1,185 | 1,756 | em-http-request | EventMachine based, async HTTP Request client |
| 3 | 1,191 | 1,743 | em-socksify | Transparent proxy support for any EventMachine protocol |
| 4 | 1,410 | 711 | http-2 | Pure-ruby HTTP 2.0 protocol implementation |
| 5 | 2,143 | 2,785 | em-synchrony | Fiber aware EventMachine libraries |
| 6 | 4,982 | 8,860 | bloomfilter-rb | Counting Bloom Filter implemented in Ruby |
| 7 | 5,340 | 14,916 | em-proxy | EventMachine Proxy DSL |
| 8 | 8,206 | 8,055 | postrank-uri | URI normalization, c14n, escaping, and extraction |
| 9 | 9,136 | 12,439 | goliath | Async framework for writing API servers |
| 10 | 10,305 | 9,184 | gmetric | Pure Ruby interface for generating Ganglia gmetric packets |
| 11 | 12,849 | 12,817 | decisiontree | ID3-based implementation of the M.L. Decision Tree algorithm |
| 12 | 16,186 | 22,060 | vimgolf | Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire u... |
| 13 | 18,820 | 23,106 | pubsubhubbub | Asynchronous PubSubHubbub client for Ruby |
| 14 | 20,740 | 20,670 | em-jack | An evented Beanstalk client |
| 15 | 26,202 | 29,812 | bugspots | Implementation of simple bug prediction hotspot heuristic |
| 16 | 30,268 | 30,997 | textquery | Evaluate any text against a collection of match rules |
| 17 | 50,113 | 46,581 | postrank-api | Ruby 1.9 PostRank API Wrapper |
| 18 | 52,363 | 56,674 | em-mysqlplus | Async MySQL driver for Ruby/Eventmachine |
| 19 | 64,068 | 64,144 | slowgrowl | Surface slow code paths in your Rails 3 app via Growl / libnotify |
| 20 | 65,340 | 56,674 | mneme | Write a gem description |
| 21 | 79,557 | 64,144 | spdy | SPDY is an experiment with protocols for the web |
| 22 | 91,296 | 74,375 | em-handlersocket | Asynchronous (EventMachine) HandlerSocket client |
| 23 | 95,305 | 88,094 | contextual | Runtime contextual autoescaper |
| 24 | 112,314 | 88,094 | rack-speedtracer | SpeedTracer middleware for server side debugging |
| 25 | 116,429 | 88,094 | language_detector | Ruby language detection library using n-gram model |
| 26 | 119,336 | 88,094 | closure-sprockets | Sprockets processor for Google's Closure tools |
| 27 | 120,424 | 109,089 | rack-aggregate | Rack response-time statistics aggregator middleware |
| 28 | 124,546 | 109,089 | libsnappy | Snappy, a fast compressor/decompressor (courtesy of Google) |
| 29 | 125,614 | 144,774 | ZDevice | ZDevice is a Ruby DSL for assembling arbitrary ZeroMQ routing devices, with support for... |
| 30 | 126,428 | 109,089 | hydra5 | Load-balanced (multi-headed) SOCKS5 proxy |
| 31 | 128,447 | 88,094 | ruby2lolz | Ruby to Lolcode translator, kthnxbai. |
| 32 | 128,618 | 74,375 | pregel | Single-node implementation of Google's Pregel framework for large-scale graph processing. |