| 1 | 890 | 1,191 | em-websocket | EventMachine based WebSocket server |
| 2 | 1,139 | 1,631 | em-http-request | EventMachine based, async HTTP Request client |
| 3 | 1,154 | 1,606 | em-socksify | Transparent proxy support for any EventMachine protocol |
| 4 | 1,529 | 948 | http-2 | Pure-ruby HTTP 2.0 protocol implementation |
| 5 | 2,054 | 2,351 | em-synchrony | Fiber aware EventMachine libraries |
| 6 | 5,001 | 10,859 | em-proxy | EventMachine Proxy DSL |
| 7 | 5,219 | 6,654 | bloomfilter-rb | Counting Bloom Filter implemented in Ruby |
| 8 | 7,805 | 9,519 | postrank-uri | URI normalization, c14n, escaping, and extraction |
| 9 | 8,508 | 13,570 | goliath | Async framework for writing API servers |
| 10 | 10,019 | 7,867 | gmetric | Pure Ruby interface for generating Ganglia gmetric packets |
| 11 | 12,470 | 10,916 | decisiontree | ID3-based implementation of the M.L. Decision Tree algorithm |
| 12 | 15,770 | 17,536 | vimgolf | Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire u... |
| 13 | 18,466 | 14,330 | pubsubhubbub | Asynchronous PubSubHubbub client for Ruby |
| 14 | 19,824 | 38,261 | em-jack | An evented Beanstalk client |
| 15 | 25,714 | 17,884 | bugspots | Implementation of simple bug prediction hotspot heuristic |
| 16 | 29,974 | 14,330 | textquery | Evaluate any text against a collection of match rules |
| 17 | 48,840 | 113,854 | postrank-api | Ruby 1.9 PostRank API Wrapper |
| 18 | 51,495 | 49,628 | em-mysqlplus | Async MySQL driver for Ruby/Eventmachine |
| 19 | 63,343 | 49,628 | slowgrowl | Surface slow code paths in your Rails 3 app via Growl / libnotify |
| 20 | 65,001 | 43,003 | mneme | Write a gem description |
| 21 | 78,214 | 34,877 | spdy | SPDY is an experiment with protocols for the web |
| 22 | 89,701 | 60,111 | em-handlersocket | Asynchronous (EventMachine) HandlerSocket client |
| 23 | 94,770 | 77,922 | contextual | Runtime contextual autoescaper |
| 24 | 110,409 | 60,111 | rack-speedtracer | SpeedTracer middleware for server side debugging |
| 25 | 115,515 | 77,922 | language_detector | Ruby language detection library using n-gram model |
| 26 | 117,850 | 113,854 | closure-sprockets | Sprockets processor for Google's Closure tools |
| 27 | 118,986 | 113,854 | rack-aggregate | Rack response-time statistics aggregator middleware |
| 28 | 123,216 | 113,854 | libsnappy | Snappy, a fast compressor/decompressor (courtesy of Google) |
| 29 | 124,033 | 49,628 | ZDevice | ZDevice is a Ruby DSL for assembling arbitrary ZeroMQ routing devices, with support for... |
| 30 | 125,599 | 77,922 | hydra5 | Load-balanced (multi-headed) SOCKS5 proxy |
| 31 | 127,380 | 77,922 | ruby2lolz | Ruby to Lolcode translator, kthnxbai. |
| 32 | 127,762 | 113,854 | pregel | Single-node implementation of Google's Pregel framework for large-scale graph processing. |