| 1 | 883 | 998 | em-websocket | EventMachine based WebSocket server |
| 2 | 1,204 | 1,933 | em-http-request | EventMachine based, async HTTP Request client |
| 3 | 1,215 | 1,897 | em-socksify | Transparent proxy support for any EventMachine protocol |
| 4 | 1,345 | 288 | http-2 | Pure-ruby HTTP 2.0 protocol implementation |
| 5 | 2,164 | 3,098 | em-synchrony | Fiber aware EventMachine libraries |
| 6 | 5,042 | 8,461 | bloomfilter-rb | Counting Bloom Filter implemented in Ruby |
| 7 | 5,438 | 20,194 | em-proxy | EventMachine Proxy DSL |
| 8 | 8,221 | 7,202 | postrank-uri | URI normalization, c14n, escaping, and extraction |
| 9 | 9,278 | 14,712 | goliath | Async framework for writing API servers |
| 10 | 10,315 | 9,126 | gmetric | Pure Ruby interface for generating Ganglia gmetric packets |
| 11 | 12,931 | 13,009 | decisiontree | ID3-based implementation of the M.L. Decision Tree algorithm |
| 12 | 16,426 | 25,303 | vimgolf | Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire u... |
| 13 | 19,016 | 14,511 | pubsubhubbub | Asynchronous PubSubHubbub client for Ruby |
| 14 | 20,957 | 41,879 | em-jack | An evented Beanstalk client |
| 15 | 26,500 | 26,624 | bugspots | Implementation of simple bug prediction hotspot heuristic |
| 16 | 29,501 | 6,614 | textquery | Evaluate any text against a collection of match rules |
| 17 | 50,692 | 105,941 | postrank-api | Ruby 1.9 PostRank API Wrapper |
| 18 | 52,894 | 31,092 | em-mysqlplus | Async MySQL driver for Ruby/Eventmachine |
| 19 | 64,784 | 105,941 | slowgrowl | Surface slow code paths in your Rails 3 app via Growl / libnotify |
| 20 | 66,003 | 105,941 | mneme | Write a gem description |
| 21 | 80,362 | 57,584 | spdy | SPDY is an experiment with protocols for the web |
| 22 | 92,223 | 105,941 | em-handlersocket | Asynchronous (EventMachine) HandlerSocket client |
| 23 | 96,251 | 57,584 | contextual | Runtime contextual autoescaper |
| 24 | 113,399 | 57,584 | rack-speedtracer | SpeedTracer middleware for server side debugging |
| 25 | 117,297 | 105,941 | language_detector | Ruby language detection library using n-gram model |
| 26 | 120,460 | 57,584 | closure-sprockets | Sprockets processor for Google's Closure tools |
| 27 | 121,507 | 105,941 | rack-aggregate | Rack response-time statistics aggregator middleware |
| 28 | 125,511 | 57,584 | libsnappy | Snappy, a fast compressor/decompressor (courtesy of Google) |
| 29 | 126,862 | 57,584 | ZDevice | ZDevice is a Ruby DSL for assembling arbitrary ZeroMQ routing devices, with support for... |
| 30 | 127,452 | 105,941 | hydra5 | Load-balanced (multi-headed) SOCKS5 proxy |
| 31 | 129,670 | 57,584 | ruby2lolz | Ruby to Lolcode translator, kthnxbai. |
| 32 | 129,907 | 105,941 | pregel | Single-node implementation of Google's Pregel framework for large-scale graph processing. |