| 1 | 893 | 715 | em-websocket | EventMachine based WebSocket server |
| 2 | 1,157 | 1,419 | em-http-request | EventMachine based, async HTTP Request client |
| 3 | 1,174 | 1,398 | em-socksify | Transparent proxy support for any EventMachine protocol |
| 4 | 1,485 | 695 | http-2 | Pure-ruby HTTP 2.0 protocol implementation |
| 5 | 2,092 | 2,328 | em-synchrony | Fiber aware EventMachine libraries |
| 6 | 5,135 | 17,088 | em-proxy | EventMachine Proxy DSL |
| 7 | 5,293 | 6,762 | bloomfilter-rb | Counting Bloom Filter implemented in Ruby |
| 8 | 7,934 | 8,343 | postrank-uri | URI normalization, c14n, escaping, and extraction |
| 9 | 8,708 | 15,665 | goliath | Async framework for writing API servers |
| 10 | 10,071 | 7,417 | gmetric | Pure Ruby interface for generating Ganglia gmetric packets |
| 11 | 12,568 | 10,172 | decisiontree | ID3-based implementation of the M.L. Decision Tree algorithm |
| 12 | 15,678 | 19,664 | vimgolf | Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire u... |
| 13 | 18,425 | 15,821 | pubsubhubbub | Asynchronous PubSubHubbub client for Ruby |
| 14 | 20,109 | 33,749 | em-jack | An evented Beanstalk client |
| 15 | 25,790 | 23,383 | bugspots | Implementation of simple bug prediction hotspot heuristic |
| 16 | 29,695 | 31,453 | textquery | Evaluate any text against a collection of match rules |
| 17 | 49,082 | 51,002 | postrank-api | Ruby 1.9 PostRank API Wrapper |
| 18 | 51,613 | 33,749 | em-mysqlplus | Async MySQL driver for Ruby/Eventmachine |
| 19 | 63,272 | 60,162 | slowgrowl | Surface slow code paths in your Rails 3 app via Growl / libnotify |
| 20 | 64,623 | 51,002 | mneme | Write a gem description |
| 21 | 78,327 | 60,162 | spdy | SPDY is an experiment with protocols for the web |
| 22 | 90,034 | 60,162 | em-handlersocket | Asynchronous (EventMachine) HandlerSocket client |
| 23 | 94,921 | 98,986 | contextual | Runtime contextual autoescaper |
| 24 | 110,905 | 74,401 | rack-speedtracer | SpeedTracer middleware for server side debugging |
| 25 | 115,563 | 60,162 | language_detector | Ruby language detection library using n-gram model |
| 26 | 118,140 | 74,401 | closure-sprockets | Sprockets processor for Google's Closure tools |
| 27 | 119,341 | 74,401 | rack-aggregate | Rack response-time statistics aggregator middleware |
| 28 | 123,356 | 74,401 | libsnappy | Snappy, a fast compressor/decompressor (courtesy of Google) |
| 29 | 124,257 | 98,986 | ZDevice | ZDevice is a Ruby DSL for assembling arbitrary ZeroMQ routing devices, with support for... |
| 30 | 125,348 | 51,002 | hydra5 | Load-balanced (multi-headed) SOCKS5 proxy |
| 31 | 127,284 | 74,401 | ruby2lolz | Ruby to Lolcode translator, kthnxbai. |
| 32 | 127,593 | 98,986 | pregel | Single-node implementation of Google's Pregel framework for large-scale graph processing. |