| 1 | 891 | 606 | em-websocket | EventMachine based WebSocket server |
| 2 | 1,164 | 1,599 | em-http-request | EventMachine based, async HTTP Request client |
| 3 | 1,179 | 1,565 | em-socksify | Transparent proxy support for any EventMachine protocol |
| 4 | 1,456 | 593 | http-2 | Pure-ruby HTTP 2.0 protocol implementation |
| 5 | 2,122 | 2,815 | em-synchrony | Fiber aware EventMachine libraries |
| 6 | 4,907 | 5,426 | bloomfilter-rb | Counting Bloom Filter implemented in Ruby |
| 7 | 5,259 | 18,390 | em-proxy | EventMachine Proxy DSL |
| 8 | 8,028 | 8,922 | postrank-uri | URI normalization, c14n, escaping, and extraction |
| 9 | 8,927 | 11,246 | goliath | Async framework for writing API servers |
| 10 | 10,267 | 10,220 | gmetric | Pure Ruby interface for generating Ganglia gmetric packets |
| 11 | 12,777 | 12,671 | decisiontree | ID3-based implementation of the M.L. Decision Tree algorithm |
| 12 | 16,027 | 22,652 | vimgolf | Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire u... |
| 13 | 18,686 | 21,854 | pubsubhubbub | Asynchronous PubSubHubbub client for Ruby |
| 14 | 20,529 | 46,531 | em-jack | An evented Beanstalk client |
| 15 | 26,100 | 27,037 | bugspots | Implementation of simple bug prediction hotspot heuristic |
| 16 | 30,085 | 34,862 | textquery | Evaluate any text against a collection of match rules |
| 17 | 49,725 | 74,024 | postrank-api | Ruby 1.9 PostRank API Wrapper |
| 18 | 52,139 | 32,343 | em-mysqlplus | Async MySQL driver for Ruby/Eventmachine |
| 19 | 63,823 | 53,031 | slowgrowl | Surface slow code paths in your Rails 3 app via Growl / libnotify |
| 20 | 65,084 | 37,933 | mneme | Write a gem description |
| 21 | 79,034 | 61,331 | spdy | SPDY is an experiment with protocols for the web |
| 22 | 90,817 | 46,531 | em-handlersocket | Asynchronous (EventMachine) HandlerSocket client |
| 23 | 95,537 | 61,331 | contextual | Runtime contextual autoescaper |
| 24 | 111,701 | 74,024 | rack-speedtracer | SpeedTracer middleware for server side debugging |
| 25 | 116,212 | 74,024 | language_detector | Ruby language detection library using n-gram model |
| 26 | 118,904 | 74,024 | closure-sprockets | Sprockets processor for Google's Closure tools |
| 27 | 120,030 | 74,024 | rack-aggregate | Rack response-time statistics aggregator middleware |
| 28 | 123,989 | 61,331 | libsnappy | Snappy, a fast compressor/decompressor (courtesy of Google) |
| 29 | 125,093 | 74,024 | ZDevice | ZDevice is a Ruby DSL for assembling arbitrary ZeroMQ routing devices, with support for... |
| 30 | 126,024 | 129,210 | hydra5 | Load-balanced (multi-headed) SOCKS5 proxy |
| 31 | 127,911 | 74,024 | ruby2lolz | Ruby to Lolcode translator, kthnxbai. |
| 32 | 128,228 | 94,007 | pregel | Single-node implementation of Google's Pregel framework for large-scale graph processing. |